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This is not a catalog of all the libraries, just a starting point for your explorations. Inspired by [awesome-python](https://github.com/vinta/awesome-python). Other amazingly awesome lists can be found in the [awesome-awesomeness](https://github.com/bayandin/awesome-awesomeness) list.\n\nAlso awesome is [Scaladex](https://index.scala-lang.org/), the searchable, tagged, and centralized index of Scala libraries.\n\nProjects with over 500 stargazers are in bold.\n\n## Table of Contents\n\n- [Learning Scala](#learning-scala)\n- [Projects](#projects)\n    - [Android](#android)\n    - [Artificial Intelligence](#artificial-intelligence)\n    - [Authentication](#authentication)\n    - [Authorization](#authorization)\n    - [Big Data](#big-data)\n    - [Cryptography](#cryptography)\n    - [CSV](#csv)\n    - [Data Binding and Validation](#data-binding-and-validation)\n    - [Database](#database)\n    - [DevOps](#devops)\n    - [Distributed Systems](#distributed-systems)\n    - [Extensions](#extensions)\n    - [Functional Reactive Programming](#functional-reactive-programming)\n    - [Geospatial](#geospatial)\n    - [Graphical User Interfaces](#graphical-user-interfaces)\n    - [HTTP](#http)\n    - [i18n](#i18n)\n    - [Image processing and image analysis](#image-processing-and-image-analysis)\n    - [JavaScript](#javascript)\n    - [JSON](#json)\n    - [Markdown](#markdown)\n    - [Metrics and Monitoring](#metrics-and-monitoring)\n    - [Misc](#misc)\n    - [Modularization and Dependency Injection](#modularization-and-dependency-injection)\n    - [Parsing](#parsing)\n    - [Reactive Web Frameworks](#reactive-web-frameworks)\n    - [Sbt plugins](#sbt-plugins)\n    - [Science and Data Analysis](#science-and-data-analysis)\n    - [Scheduling](#scheduling)\n    - [Semantic Web](#semantic-web)\n    - [Serialization](#serialization)\n    - [Templating](#templating)\n    - [Testing](#testing)\n    - [Tools](#tools)\n    - [Web Frameworks](#web-frameworks)\n    - [XML / HTML](#xml--html)\n    - [YAML](#yaml)\n- [Resources](#resources)\n    - [Newsletters](#newsletters)\n    - [Podcasts](#podcasts)\n- [Contributing](#contributing)\n\n## Artificial Intelligence\n\n* [CIlib ★ 82](https://github.com/cirg-up/cilib) - Typesafe, purely functional Computational Intelligence.\n* [CIlib-tutorial ★ 2](https://github.com/cirg-up/cilib-tutorial) - A tutorial book for cilib.\n\n## Database\n\n*Database access libraries in Scala.*\n\n* [Anorm ★ 135](https://github.com/playframework/anorm) - Simple SQL data access.\n* [Casbah](http://mongodb.github.io/casbah/) ([repo](https://github.com/mongodb/casbah)) - Officially supported Scala driver for MongoDB\n* [Clickhouse-scala-client](https://github.com/crobox/clickhouse-scala-client) - Reactive client for Clickhouse\n* [CouchDB-Scala ★ 59 ⧗ 21](https://github.com/beloglazov/couchdb-scala) - Purely functional Scala client for CouchDB\n* **[doobie ★ 812 ⧗ 0](https://github.com/tpolecat/doobie)** - Pure functional JDBC layer for Scala.\n* **[Elastic4s ★ 1049 ⧗ 0](https://github.com/sksamuel/elastic4s)** - A scala DSL / reactive client for Elasticsearch\n* [Finagle ★ 42 ⧗ 71](https://github.com/finagle/finagle-postgres) - PostgreSQL protocol support for Finagle\n* [laserdisc ★ 37](https://github.com/laserdisc-io/laserdisc) - A Future-free, fs2 native pure FP Redis client\n* [longevity ★ 78 ⧗ 21](https://github.com/longevityframework/longevity) - A Persistence Framework for Scala and NoSQL with a Domain Driven Design Orientation\n* [lucene4s ★ 3 ⧗ 56](https://github.com/outr/lucene4s) - Light-weight convenience wrapper around Lucene to simplify complex tasks and add Scala sugar.\n* [MapperDao ★ 12 ⧗ 36](https://github.com/kostaskougios/mapperdao) - An ORM library for oracle, mysql, mssql, and postgresql\n* [Memcontinuationed ★ 51 ⧗ 245](https://github.com/Atry/memcontinuationed) - Memcached client for Scala.\n* [Morpheus ★ 104 ⧗ 0](https://github.com/outworkers/morpheus) - Reactive type safe Scala Driver for MySQL/Postgres.\n* [neo4akka ★ 6 ⧗ 117](https://github.com/outr/neo4akka) - Neo4j Scala client using Akka HTTP with compile-time query interpolation, case class support, true non-blocking IO, and much more.\n* [neotypes ★ 22 ⧗ 2](https://github.com/neotypes/neotypes) - Pure functional driver for neo4j.\n* **[Phantom ★ 903 ⧗ 5](https://github.com/outworkers/phantom)** - Reactive typed Scala driver for Apache Cassandra.\n* **[PostgreSQL and MySQL async ★ 983 ⧗ 0](https://github.com/mauricio/postgresql-async)** - Async database drivers to talk to PostgreSQL and MySQL in Scala.\n* [Pulsar4s ★ 15](https://github.com/sksamuel/pulsar4s) - Scala client for Apache Pulsar.\n* **[Quill ★ 865 ⧗ 0](https://github.com/getquill/quill)** - Compile-time Language Integrated Query for Scala\n* [ReactiveCouchbase](http://reactivecouchbase.org/) - Reactive Scala Driver for Couchbase. Also includes a Play plug-in. An official plug-in is also in development.\n* **[ReactiveMongo ★ 704 ⧗ 8](https://github.com/ReactiveMongo/ReactiveMongo)** - Reactive Scala Driver for MongoDB.\n* **[rediscala ★ 642 ⧗ 0](https://github.com/etaty/rediscala)** - Non-blocking, Reactive Redis driver for Scala (with Sentinel support)\n* [Relate ★ 110 ⧗ 7](https://github.com/lucidsoftware/relate) - Lightweight, blazing-fast database access layer for Scala that abstracts the idiosyncricies of the JDBC while keeping complete control over the SQL.\n* [Salat ★ 490 ⧗ 9](https://github.com/salat/salat/) - ORM for MongoDB. A related Play-plugin is also available.\n* [Scala ActiveRecord ★ 297 ⧗ 3](https://github.com/aselab/scala-activerecord) - ORM library for scala, inspired by ActiveRecord of Ruby on Rails.\n* [Scala-Forklift ★ 91 ⧗ 1](https://github.com/lastland/scala-forklift) - Type-safe database migration for Slick, Git, etc.\n* **[scala-redis ★ 739 ⧗ 1](https://github.com/debasishg/scala-redis)** - A Scala library for connecting to a redis server, with clustering support\n* [scala-sql ★ 14 ⧗ 34](https://github.com/wangzaixiang/scala-sql) - Yet another SQL-based DB access library for scala language\n* [ScalaRelational ★ 51 ⧗ 1](https://github.com/outr/scalarelational) - Type-Safe framework for defining, modifying, and querying SQL databases.\n* **[ScalikeJDBC ★ 746 ⧗ 1](https://github.com/scalikejdbc/scalikejdbc)** - A tidy SQL-based DB access library for Scala developers.\n* [Scanamo ★ 92 ⧗ 1](https://github.com/guardian/scanamo) - A library to make using DynamoDB with Scala simpler and less error-prone.\n* [scredis ★ 149 ⧗ 29](https://github.com/Livestream/scredis) - Non-blocking Redis client built on top of Akka IO (used by Livestream)\n* [Shade ★ 82 ⧗ 32](https://github.com/alexandru/shade) - Memcached client for Scala, based on Spymemcached\n* **[Slick ★ 1795 ⧗ 0](https://github.com/slick/slick)** - Modern database query and access library for Scala.\n* [Slick-pg ★ 714](https://github.com/tminglei/slick-pg) - Slick extensions for PostgreSQL.\n* [Sorm ★ 239 ⧗ 2](https://github.com/sorm/sorm) - A functional boilerplate-free Scala ORM.\n* [Squeryl ★ 484 ⧗ 1](https://github.com/squeryl/squeryl) - A Scala DSL for talking with databases with minimum verbosity and maximum type safety.\n* [Sangria](https://sangria-graphql.org/) - Scala GraphQL Implementation\n* [Scruid ★ 48](https://github.com/ing-bank/scruid) - Scruid (Scala+Druid) is an open source library that allows you to compose Druid queries easily in Scala.\n* [Tepkin ★ 86 ⧗ 251](https://github.com/fehmicansaglam/tepkin) - Reactive MongoDB Driver for Scala built on top of Akka IO and Akka Streams.\n\n## Messaging\n\n* [Op-Rabbit ★ 153 ⧗ 2](https://github.com/SpinGo/op-rabbit) - High-level messaging library for Akka and Op-Rabbit.\n\n## Graphical User Interfaces\n\n*Libraries for creation of graphical user interfaces*\n\n* [ScalaFX](http://www.scalafx.org/) - Scala DSL for creating Graphical User Interfaces that sits on top of JavaFX.\n\n## Web Frameworks\n\n*Scala frameworks for web development.*\n\n* [Analogweb](https://github.com/analogweb/analogweb-scala) - Tiny, simple, and pluggable web framework in Scala.\n* [Chaos ★ 220 ⧗ 27](https://github.com/mesosphere/chaos) - A lightweight framework for writing REST services in Scala.\n* **[Colossus ★ 811 ⧗ 70](http://tumblr.github.io/colossus/)** - lightweight framework for building high-performance applications in Scala that require non-blocking network I/O.\n* **[Finatra ★ 1558 ⧗ 0](https://github.com/twitter/finatra)** - A sinatra-inspired web framework for scala, running on top of Finagle.\n* **[Lift ★ 1069 ⧗ 0](https://github.com/lift/framework)** - Secure and powerful full stack web framework ([discussion](https://github.com/lauris/awesome-scala/pull/19)).\n* [peregine ★ 11 ⧗ 40](https://github.com/dvarelap/peregrine) - A simple and async lightweight Scala web framework.\n* **[Play ★ 9229 ⧗ 0](https://github.com/playframework/playframework)** - Makes it easy to build scalable, fast and real-time web applications with Java \u0026 Scala.\n* [Play Pagelets ★ 47 ⧗ 11](https://github.com/splink/pagelets) - A Module for the Play Framework to build resilient and modular Play applications in an elegant and concise manner.\n* [Reactive ★ 194 ⧗ 6](https://github.com/nafg/reactive) - FRP and web abstractions, which can be plugged into any web framework (currently only has bindings for Lift).\n* **[scalajs-react ★ 1135 ⧗ 0](https://github.com/japgolly/scalajs-react)** - Facebook's React on Scala.JS.\n* **[Scalatra ★ 2146 ⧗ 0](https://github.com/scalatra/scalatra)** - Tiny Scala high-performance, async web framework, inspired by Sinatra.\n* **[Skinny Framework ★ 621 ⧗ 1](https://github.com/skinny-framework/skinny-framework)** - A full-stack web app framework upon Scalatra for rapid Development in Scala.\n* [suzaku](https://github.com/suzaku-io/suzaku) - Suzaku web UI framework for Scala\n* **[Unfiltered ★ 673 ⧗ 6](https://github.com/unfiltered/unfiltered)** - A modular set of unopinionated primitives for servicing HTTP and WebSocket requests in Scala.\n* [Xitrum](http://xitrum-framework.github.io/) - An async and clustered Scala web framework and HTTP(S) server fusion on top of Netty, Akka, and Hazelcast.\n* [youi ★ 81 ⧗ 12](https://github.com/outr/youi) - Next generation user interface framework and server engine for Scala and Scala.js.\n\n## Reactive Web Frameworks\n\n*Scala libraries for Reactive Web development*\n\n* **[Binding.scala ★ 935 ⧗ 0](https://github.com/ThoughtWorksInc/Binding.scala)** - A reactive web framework. It enables you use native XML literal syntax to create reactive DOM nodes, which are able to automatically change whenever the data source changes.\n* [Korolev](http://github.com/fomkin/korolev/) - Modern single-page applications running on the server side\n* [Udash](http://udash.io/) - a web framework based on Scala.js with support for property bindings, frontend routing, i18n and much more. It also provides strongly typed client\u003c-\u003eserver RPC system based on WebSockets.\n* [Vert.x Web](http://vertx.io/docs/vertx-web/scala/) - Toolkit to build Reactive web applications..\n* [Widok](https://widok.github.io/) - Reactive web framework for the JVM and Scala.js\n\n## Data Binding and Validation\n\n*Scala libraries for data binding and validation*\n\n* [Accord ★ 379 ⧗ 0](https://github.com/wix/accord) - A sane validation library for Scala\n* [form-binder ★ 17 ⧗ 29](https://github.com/tminglei/form-binder) - A micro data binding and validating framework, very easy to use and hack\n* [Monkeytail ★ 55](https://github.com/sksamuel/monkeytail) - A set of validation macros and helpers for cats.Validated\n* [Octopus ★ 15](https://github.com/krzemin/octopus) - Scala library for boilerplate-free validation\n* [Dupin ★ 7](https://github.com/yakivy/dupin) - Minimal, idiomatic, customizable validation for Scala.\n* [Veto](https://github.com/splink/veto) - A scala validation library without dependencies.\n\n## i18n\n\n*Scala libraries for i18n.*\n\n* [scala-xgettext ★ 19 ⧗ 99](https://github.com/xitrum-framework/scala-xgettext) - A compiler plugin that acts like GNU xgettext command to extract i18n strings in Scala source code files to Gettext .po file.\n* [Scaposer ★ 30 ⧗ 99](https://github.com/xitrum-framework/scaposer) - GNU Gettext .po file loader for Scala.\n\n## Authentication\n\n*Libraries for implementing authentications schemes.*\n\n* [akka-http-session ★ 268 ⧗ 11](https://github.com/softwaremill/akka-http-session) - Web\u0026mobile client-side sessions for akka-http based applications, with optional JWT support\n* [AWS Request Signer ★ 4 ⧗ 43](https://github.com/ticofab/aws-request-signer) - Helper to evaluate the signing headers for HTTP requests to Amazon Web Services.\n* [OAuth2-mock-play ★ 16 ⧗ 23](https://github.com/zalando/OAuth2-mock-play) - Implementation of an OAuth2 server designed for mocking/testing and configurable by environment variables (by use of the Typesafe config).\n* [Play Google Auth Module ★ 17 ⧗ 76](https://github.com/guardian/play-googleauth) - A very simple implementation of Google OpenID Connect authentication for Play 2 applications.\n* [play-pac4j ★ 255 ⧗ 0](https://github.com/pac4j/play-pac4j) - Security library managing authentication (CAS, OAuth, OpenID, SAML, LDAP, SQL, JWT...), authorizations and logout for Play 2.x in Java and Scala.\n* **[play-silhouette ★ 600 ⧗ 1](https://github.com/mohiva/play-silhouette)** - Authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, Credentials or custom authentication schemes.\n* **[play2-auth ★ 617 ⧗ 4](https://github.com/t2v/play2-auth)** - Play2.x Authentication and Authorization module.\n* [scala-oauth2-provider ★ 419 ⧗ 7](https://github.com/nulab/scala-oauth2-provider) - OAuth 2.0 server-side implementation written in Scala.\n* **[SecureSocial ★ 1210 ⧗ 1](https://github.com/jaliss/securesocial)** - A module that provides OAuth, OAuth2 and OpenID authentication for Play Framework applications.\n\n## Authorization\n\n*Libraries for implementing authorization strategies.*\n\n* [deadbolt-2 ★ 467 ⧗ 3](https://github.com/schaloner/deadbolt-2) - A Play 2.x module supporting role-based and proprietary authorization; idiomatic APIs for Scala and Java APIs are provided.\n\n## Cryptography\n\n*Cryptography and Encryption Libraries.*\n\n* [Scrypto ★ 50 ⧗ 4](https://github.com/ScorexProject/scrypto) - All-purpose cryptographic framework.\n* [TSec ★ 27 ⧗ 0](https://github.com/jmcardon/tsec) - Type-safe, functional, general-cryptography library\n\n## Testing\n\n*Libraries for code testing.*\n\n* [cornichon ★ 109 ⧗ 3](https://github.com/agourlay/cornichon) - Scala DSL for testing HTTP JSON API.\n* [Gatling](http://gatling.io) - Async Scala-Akka-Netty based Stress Tool.\n* [Minitest](https://github.com/monix/minitest) - A testing framework with a focus on simplicity.\n* [Mockito Scala ★ 99](https://github.com/mockito/mockito-scala) - Mockito for Scala, with improved syntax and many extra features on top of the Java version\n* **[ScalaCheck ★ 1196 ⧗ 6](https://github.com/rickynils/scalacheck)** - Property-based testing for Scala.\n* [ScalaMeter](https://scalameter.github.io/) - Performance \u0026  memory footprint measuring, regression testing.\n* [ScalaMock](http://scalamock.org) - Scala native mocking framework\n* [scalaprops ★ 171 ⧗ 5](https://github.com/scalaprops/scalaprops) - Another property based testing library for Scala\n* **[ScalaTest ★ 532 ⧗ 5](https://github.com/scalatest/scalatest)** - A testing tool for Scala and Java developers.\n* [Scalive ★ 187 ⧗ 20](https://github.com/xitrum-framework/scalive) - Connect a Scala REPL to running JVM processes without any prior setup; this library is used for inspecting systems in production mode.\n* **[Specs2 ★ 570 ⧗ 1](https://github.com/etorreborre/specs2)** - Software Specifications for Scala.\n* [Stryker4s ★ 21](https://github.com/stryker-mutator/stryker4s) - Test your tests with mutation testing.\n* [µTest ★ 197 ⧗ 0](https://github.com/lihaoyi/utest) - A tiny, portable testing library for Scala.\n* [testcontainers-scala ★ 52 ⧗ 2](https://github.com/testcontainers/testcontainers-scala) - Docker containers for testing in Scala.\n\n## JSON\n\n*Libraries for work with json.*\n\n* [argonaut](http://argonaut.io/) - Purely Functional JSON in Scala.\n* **[circe ★ 824 ⧗ 2](https://github.com/travisbrown/circe)** - JSON library based on Argonaut, depends on Cats\n* [diffson ★ 94 ⧗ 14](https://github.com/gnieh/diffson) - A scala diff/patch library for Json\n* [jackson-module-scala ★ 313 ⧗ 8](https://github.com/FasterXML/jackson-module-scala) - Add-on module for Jackson to support Scala-specific datatypes.\n* [jawn ★ 252 ⧗ 4](https://github.com/non/jawn) - Fast json parser (According to them, competetive with java gson/jackson speed).\n* **[json4s ★ 877 ⧗ 0](https://github.com/json4s/json4s)** - Project aims to provide a single AST to be used by other scala json libraries.\n* [jsoniter-scala ★ 47 ⧗ 7](https://github.com/plokhotnyuk/jsoniter-scala) - Scala macros for compile-time generation of ultra-fast JSON codecs.\n* [persist-json ★ 9 ⧗ 49](https://github.com/nestorpersist/json) - Fast json parser.\n* [play-json ★ 39 ⧗ 7](https://github.com/playframework/play-json) - Flexible and powerful JSON manipulation, validation and serialization, with no reflection at runtime.\n* [Pushka ★ 75 ⧗ 21](https://github.com/fomkin/pushka) - Scala JSON serialization library with annotations.\n* [qbproject](https://github.com/qb-project/qbproject) - Scala Libs around JSON and API development for Play Framework.\n* [rapture-json](https://github.com/propensive/rapture/blob/dev/doc/json.md) - Clean, intuitive, unintrusive, boilerplate-free Scala API\n* [scala-jsonapi ★ 95 ⧗ 240](https://github.com/scala-jsonapi/scala-jsonapi) - Support library for integrating the JSON API spec with Scala and Spray JSON, Play! JSON or Circe.\n* [scalajack ★ 81 ⧗ 35](https://github.com/gzoller/ScalaJack) - Fast 'n easy JSON serialization with optional MongoDB support.  Uses Jackson under the hood.\n* **[spray-json ★ 606 ⧗ 2](https://github.com/spray/spray-json)** - Lightweight, clean and efficient JSON implementation in Scala.\n* [sbt-json](https://github.com/battermann/sbt-json) - sbt plugin that generates Scala case classes for easy, statically typed and implicit access of JSON documents\n* [uJson](http://www.lihaoyi.com/upickle/#uJson) - fast, flexible and intuitive JSON for Scala\n\n## YAML\n\n*Libraries for work with YAML.*\n\n* [MoultingYAML ★ 43 ⧗ 2](https://github.com/jcazevedo/moultingyaml) - Type-class based YAML serialization and deserialization on top of SnakeYAML.\n\n## CSV\n\n*Libraries for work with CSV.*\n\n* [fm-flatfile ★ 1 ⧗ 1](https://github.com/frugalmechanic/fm-flatfile) - Very flexible, Flat File (CSV, TSV, Excel, etc) Reader for Scala.\n* [kantan.csv ★ 143 ⧗ 24](https://github.com/nrinaudo/kantan.csv) - CSV handling library for Scala with multiple backends.\n* [Scala-CSV ★ 365 ⧗ 1](https://github.com/tototoshi/scala-csv) - CSV Reader/Writer for Scala.\n\n\n## Serialization\n\n*Libraries for serializing and deserializing data for storage or transport.*\n\n* [avro-codegen ★ 24 ⧗ 23](https://github.com/Nitro/avro-codegen) - Code generation from avro schemas to serialize/deserialize avro messages, no runtime reflection.\n* [Avro4s ★ 473](https://github.com/sksamuel/avro4s) - Avro schema generation and serialization / deserialization for Scala.\n* [Chill ★ 378 ⧗ 4](https://github.com/twitter/chill) - Extensions for the Kryo serialization library to ease configuration in systems like Hadoop and Storm.\n* [msgpack ★ 75 ⧗ 57](https://github.com/msgpack/msgpack-scala) - A efficient binary serialization library.\n* **[Pickling ★ 808 ⧗ 0](https://github.com/scala/pickling)** - Fast, customizable, boilerplate-free pickling support.\n* [µPickle](http://lihaoyi.github.io/upickle/) - A lightweight serialization library for Scala that works in ScalaJS, allowing transfer of structured data between the JVM and JavaScript.\n* [ScalaBuff ★ 218 ⧗ 1](https://github.com/SandroGrzicic/ScalaBuff) - a Scala Protocol Buffers (protobuf) compiler\n* **[ScalaPB ★ 705 ⧗ 51](https://scalapb.github.io/)** - Protocol Buffers and gRPC support for Scala\n* [scodec ★ 474 ⧗ 10](https://github.com/scodec/scodec) - A combinator library for working with binary data.\n* [Scrooge](http://twitter.github.io/scrooge/) - An Apache Thrift code generator for Scala.\n* [validation ★ 177 ⧗ 3](https://github.com/jto/validation) - Advanced validation \u0026 serialization for JSON, HTML form data, etc, with no reflection at runtime.\n\n## Science and Data Analysis\n\n*Libraries for scientific computing, data analysis and numerical processing.*\n\n* **[Algebird ★ 1478 ⧗ 0](https://github.com/twitter/algebird)** - Abstract Algebra for Scala.\n* [Axle ★ 51 ⧗ 9](https://github.com/axlelang/axle) - A Spire-based DSL for scientific cloud computing.\n* **[BigDL ★ 1662 ⧗ 0](https://github.com/intel-analytics/BigDL)** - BigDL is a distributed deep learning library for Apache Spark.\n* **[Breeze ★ 2028 ⧗ 0](https://github.com/scalanlp/breeze)** - Breeze is a numerical processing library for Scala.\n* [Chalk ★ 231 ⧗ 6](https://github.com/scalanlp/chalk) - Chalk is a natural language processing library.\n* [Clustering4Ever ★ 50](https://github.com/Clustering4Ever/Clustering4Ever) Scala and Spark API to benchmark and analyse clustering algorithms on any vectorization you can generate\n* [doddle-model](https://github.com/picnicml/doddle-model) - An in-memory machine learning library built on top of Breeze. It provides immutable objects and exposes its functionality through a scikit-learn-like API.\n* [FACTORIE ★ 486 ⧗ 7](https://github.com/factorie/factorie) - A toolkit for deployable probabilistic modeling, implemented as a software library in Scala.\n* [Figaro ★ 461 ⧗ 0](https://github.com/p2t2/figaro) - Figaro is a probabilistic programming language that supports development of very rich probabilistic models.\n* [Libra ★ 142](https://github.com/to-ithaca/libra) - Libra is a dimensional analysis library based on shapeless, spire and singleton-ops. It contains out of the box support for SI units for all numeric types.\n* [LoMRF ★ 55](https://github.com/anskarl/LoMRF) - An open-source implementation of Markov Logic Networks in Scala\n* [MGO ★ 37 ⧗ 55](https://github.com/openmole/mgo) - Modular multi-objective evolutionary algorithm optimization library enforcing immutability.\n* [MLLib](https://spark.apache.org/mllib/) - Machine Learning framework for Spark\n* [ND4S ★ 201 ⧗ 0](https://github.com/deeplearning4j/nd4s) - N-Dimensional arrays and linear algebra for Scala with an API similar to Numpy.  ND4S is a scala wrapper around [ND4J](http://nd4j.org/).\n* [Numsca ★ 8 ⧗ 0](https://github.com/botkop/numsca) - Numsca is Numpy for Scala.\n* [OpenMOLE ★ 65 ⧗ 5](https://github.com/openmole/openmole) - OpenMOLE (Open MOdeL Experiment) is a workflow engine designed to leverage the computing power of distributed execution environments for naturally parallel processes.\n* [Optimus * 96](https://github.com/vagmcs/Optimus) Optimus is a library for Linear and Quadratic mathematical optimization written in Scala programming language.\n* [OscaR](https://bitbucket.org/oscarlib/oscar/wiki/Home) - a Scala toolkit for solving Operations Research problems\n* [Persist-Units ★ 9 ⧗ 40](https://github.com/nestorpersist/units) - Type check units of measure in Scala.\n* **[PredictionIO ★ 10105 ⧗ 0](https://github.com/PredictionIO/PredictionIO)** - machine learning server for developers and data scientists. Built on Apache Spark, HBase and Spray\n* [Rings ★ 3 ⧗ 0](https://github.com/PoslavskySV/rings) - An efficient library for polynomial rings. Commutative algebra, polynomial GCDs, polynomial factorization and other sci things at a really high speed.\n* [Saddle ★ 428 ⧗ 2](https://github.com/saddle/saddle) - A minimalist port of Pandas to Scala\n* [Smile](http://haifengl.github.io/smile/) - Statistical Machine Intelligence and Learning Engine. Smile is a fast and comprehensive machine learning system.\n* **[Spark Notebook ★ 1896 ⧗ 0](https://github.com/andypetrella/spark-notebook)** - Scalable and stable Scala and Spark focused notebook bridging the gap between JVM and Data Scientists (incl. extendable, typesafe and reactive charts).\n* **[Spire ★ 1152 ⧗ 3](https://github.com/non/spire)** - Powerful new number types and numeric abstractions for Scala.\n* [Squants ★ 388 ⧗ 1](https://github.com/garyKeorkunian/squants) - The Scala API for Quantities, Units of Measure and Dimensional Analysis.\n* [SwiftLearner ★ 20 ⧗ 5](https://github.com/valdanylchuk/swiftlearner) - Simply written algorithms to help study Machine Learning or write your own implementations.\n* [Synapses](https://mrdimosthenis.github.io/Synapses) - Lightweight Neural Network library, for js, jvm and .net.\n* [Tensorflow_scala](https://github.com/eaplatanios/tensorflow_scala) - TensorFlow API for the Scala Programming Language\n* [Tyche ★ 89 ⧗ 17](https://github.com/neysofu/tyche) - Probability distributions, stochastic \u0026 Markov processes, lattice walks, simple random sampling. A simple yet robust Scala library.\n* [Zeppelin](http://zeppelin-project.org/) - Scala and Spark Notebook (like IPython Notebook)\n\n\n## Big Data\n\n* **[BIDMach ★ 745 ⧗ 0](https://github.com/BIDData/BIDMach)** - CPU and GPU machine learning library, using JNI for GPU computation.\n* **[Flink ★ 2414 ⧗ 0](https://github.com/apache/flink)** - Processing framework with powerful stream- and batch-processing capabilities.\n* **[Gearpump ★ 619 ⧗ 5](https://github.com/apache/incubator-gearpump)** - Lightweight real-time big data streaming engine\n* [GridScale ★ 15 ⧗ 5](https://github.com/openmole/gridscale) - A Scala API for computing clusters and grids.\n* **[Kafka ★ 5035 ⧗ 0](https://github.com/apache/kafka)** - Kafka is a message broker project and aims to provide a unified, high-throughput, low-latency platform for handling real-time data feeds.\n* **[Reactive-kafka ★ 753 ⧗ 0](https://github.com/akka/reactive-kafka)** - Reactive Streams API for Apache Kafka.\n* **[Scalding ★ 2783 ⧗ 2](https://github.com/twitter/scalding)** - A Scala binding for the Cascading abstraction of Hadoop MapReduce.\n* [Schemer](https://github.com/indix/schemer) - Schema registry for CSV, TSV, JSON, AVRO and Parquet schema. Supports schema inference and GraphQL API.\n* [Scio](https://github.com/spotify/scio) - A Scala API for [Apache Beam](https://beam.apache.org/) and [Google Cloud Dataflow](https://cloud.google.com/dataflow/) - None\n* [Scrunch](http://crunch.apache.org/scrunch.html) - A Scala wrapper for [Apache Crunch](http://crunch.apache.org/index.html) which provides a framework for writing, testing, and running MapReduce pipelines.\n* [Spark](http://spark.apache.org/) - Lightning fast cluster computing — up to 100x faster than Hadoop for iterative algorithms (memory caching) and up to 10x faster than Hadoop for single-pass MapReduce jobs. Compatible with YARN-enabled Hadoop clusters, can run on Mesos and in stand-alone mode as well.\n* [spark-deployer ★ 69 ⧗ 29](https://github.com/KKBOX/spark-deployer) - A sbt plugin which helps deploying Apache Spark stand-alone cluster and submitting job on cloud system like AWS EC2.\n* [Sparkta ★ 320 ⧗ 1](https://github.com/Stratio/sparkta) - Real Time Aggregation based on Spark Streaming.\n* [Sparkplug ★ 4 ⧗ 1](https://github.com/indix/sparkplug) - Spark package to \"plug\" holes in data using SQL based rules\n* **[Summingbird ★ 1841 ⧗ 1](https://github.com/twitter/summingbird)** - An implementation of the “lambda architecture” as a software abstraction — a single API for Hadoop and Storm.\n* [Vegas](https://github.com/vegas-viz/Vegas) - The missing MatPlotLib for Scala + Spark\n\n## Image processing and image analysis\n\n*2D and 3D image processing and image analysis*\n\n* [scala-phash ★ 11 ⧗ 2](https://github.com/poslegm/scala-phash) - Image comparison by hash codes\n* [scalismo ★ 45 ⧗ 9](https://github.com/unibas-gravis/scalismo) - Shape modelling and  model-based image analysis.\n* **[scrimage ★ 654 ⧗ 97](https://github.com/sksamuel/scrimage)** - Image io, resize, manipulation and thumbnails.\n\n## Sound processing and music\n\n* [Chromaprint.scala ★ 31](https://github.com/mgdigital/Chromaprint.scala) - A Scala implementation of the Chromaprint/AcoustID audio fingerprinting algorithm.\n* [ScalaCollider ★ 121 ⧗ 5](https://github.com/Sciss/ScalaCollider) - Sound synthesis and signal processing client for SuperCollider.\n\n## Functional Reactive Programming\n\n*Event streams, signals, observables, etc.*\n\n* **[fs2 ★ 1323 ⧗ 340](https://github.com/functional-streams-for-scala/fs2)** - Compositional, streaming I/O library for Scala\n* [Iteratee ★ 158](https://github.com/travisbrown/iteratee) - Iteratees for cats\n* **[Monix ★ 1432 ⧗ 164](https://github.com/monix/monix)** - Extensions to Scala’s standard library for multi-threading primitives and functional reactive programming. Scala.js compatible.\n* [Reactive Collections ★ 2 ⧗ 165](https://github.com/storm-enroute/reactors) - A library that incorporates event streams and signals with specialized collections called reactive containers, and expresses concurrency using isolates and channels.\n* **[RxScala ★ 824 ⧗ 0](https://github.com/ReactiveX/RxScala)** - Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences\n* [REScala](http://www.rescala-lang.com/) - REScala is a library for functional reactive programming on the JVM and the Web. It provides a rich API for event stream transformations and signal composition with managed consistent up-to-date state and minimal syntactic overhead.\n* [Reactor-Scala-Extensions](https://github.com/reactor/reactor-scala-extensions) - Scala extensions for [Project Reactor](http://projectreactor.io)\n* [scala.frp ★ 22 ⧗ 101](https://github.com/dylemma/scala.frp) - Functional Reactive Programming for Scala (event streams).\n* **[Scala.Rx ★ 898 ⧗ 4](https://github.com/lihaoyi/scala.rx)** - An experimental library for Functional Reactive Programming in Scala (reactive variables). Scala.js compatible.\n* [Scalaz ZIO ★ 529](https://github.com/scalaz/scalaz-zio) - A type-safe, composable library for asynchronous and concurrent programming in Scala\n* [SynapseGrid ★ 109 ⧗ 1](https://github.com/Primetalk/SynapseGrid) - an FRP framework for constructing reactive real-time immutable data flow systems. It implements an original way of running and organizing event-driven systems based on Petri nets. The topology can be viewed as a .dot graph. The library is compatible with Akka and can seamlessly communicate with other actors.\n* [Vert.x](http://vertx.io/) - A polyglot reactive application platform for the JVM which aims to be an alternative to node.js. Its concurrency model resembles actors. It supports [Scala](http://vertx.io/docs/vertx-core/scala/), Clojure, Java, Javascript, Ruby, Groovy and Python.\n\n## Modularization and Dependency Injection\n\n*Modularization of applications, dependency injection, etc.*\n\n* [Airframe ★ 25 ⧗ 13](https://github.com/wvlet/airframe) - Dependency injection library tailored to Scala.\n* [Cableguy ★ 1 ⧗ 269](https://github.com/akozhemiakin/cableguy) - Macro based compile time Dependency Injection library.\n* [DIStage ★ 75 ⧗ 0](https://github.com/7mind/izumi) - Staged Dependency Injection with higher-kinded polymorphism and cats/zio support.\n* [Grafter ★ 148 ⧗ 0](https://github.com/zalando/grafter) - Grafter is a library to configure and wire Scala applications.\n* **[MacWire ★ 661 ⧗ 0](https://github.com/adamw/macwire)** - Scala Macro to generate wiring code for class instantiation. DI container replacement.\n* [Scala-Guice ★ 211 ⧗ 10](https://github.com/codingwell/scala-guice) - Scala extensions for Google Guice\n* [Scaldi ★ 252 ⧗ 1](https://github.com/scaldi/scaldi) - Lightweight Scala Dependency Injection Library.\n* [Sclasner ★ 9 ⧗ 130](https://github.com/xitrum-framework/sclasner) - Scala classpath scanner.\n* [SubCut ★ 403 ⧗ 9](https://github.com/dickwall/subcut) - Scala Uniquely Bound Classes Under Traits.\n\n## Distributed Systems\n\n*Libraries and frameworks for writing distributed applications.*\n\n* [Akka](http://akka.io/) - A toolkit and runtime for building highly concurrent, distributed, and fault tolerant event-driven applications.\n* [Akka-tracing ★ 252 ⧗ 2](https://github.com/levkhomich/akka-tracing) - A distributed tracing extension for Akka. Provides integration with Play framework, Spray and Akka HTTP.\n* [autobreaker ★ 6 ⧗ 93](https://github.com/lucastorri/autobreaker) - Automatically wrap classes that return Futures with a [Circuit Breaker](http://martinfowler.com/bliki/CircuitBreaker.html).\n* [Clump](http://getclump.io) - A library for expressive and efficient service composition\n* [CurioDB ★ 459 ⧗ 4](https://github.com/stephenmcd/curiodb) - Distributed \u0026 Persistent Redis Clone built with Scala \u0026 Akka.\n* [Finagle](https://twitter.github.io/finagle/) - An extensible, protocol-agnostic RPC system designed for high performance and concurrency.\n* [Glokka ★ 46 ⧗ 148](https://github.com/xitrum-framework/glokka) - Library to register and lookup actors by names in an Akka cluster.\n* [Lagom](https://www.lightbend.com/lagom) - Framework for creating microservice-based systems.\n* [Reactors](http://reactors.io/) - Foundational framework for distributed computing that fuses functional reactive programming and traditional actors.\n* [Parapet](https://github.com/parapet-io/parapet) - A purely functional library to build distributed and event-driven systems\n\n## Extensions\n\n*Scala extensions.*\n\n* [Ammonite-Ops](http://lihaoyi.github.io/Ammonite/#Ammonite-Ops) - Safe, easy, filesystem operations in Scala as convenient as in the Bash shell.\n* **[better-files ★ 824 ⧗ 0](https://github.com/pathikrit/better-files)** - Simple, safe and intuitive Scala I/O. better-files is a dependency-free pragmatic thin Scala wrapper around Java NIO.\n* **[Cassovary ★ 881 ⧗ 0](https://github.com/twitter/cassovary)** - A Scala library that is designed from the ground up for space efficiency, handling graphs with billions of nodes and edges.\n* **[cats ★ 1697 ⧗ 0](https://github.com/typelevel/cats)** - Lightweight, modular, and extensible library for functional programming.\n* [Chimney ★ 92 ⧗ 5](https://github.com/scalalandio/chimney) - Scala library for boilerplate-free data transformations.\n* [chronoscala ★ 38 ⧗ 0](https://github.com/opt-tech/chronoscala) - Scala wrapper for Java Date/Time API.\n* [Dsl.scala](https://github.com/ThoughtWorksInc/Dsl.scala/) - A framework to create embedded Domain-Specific Languages in Scala, along with some built-in DSLs, including async/await, generators, delimited continuations, asynchronous collection comprehension, RAII, monadic !-notation for cats and scala, etc.\n* [Each ★ 146 ⧗ 0](https://github.com/ThoughtWorksInc/each) - A macro library that converts native imperative syntax to [Scalaz](https://github.com/scalaz/scalaz)'s monadic expressions.\n* [Eff ★ 220 ⧗ 6](https://github.com/atnos-org/eff) - Extensible effects are an alternative to monad transformers for computing with effects in a functional way.\n* [enableIf.scala ★ 40 ⧗ 25](https://github.com/ThoughtWorksInc/enableIf.scala) - A library that switches Scala code at compile-time, like `#if` in C/C++.\n* [Enumeratum ★ 374 ⧗ 0](https://github.com/lloydmeta/enumeratum) - A macro to replace Scala enumerations with a sealed family of case objects. This allows additional checks for the compiler, e.g. for missing cases in a match statement. Has additinal support for Json libraries and the Play framework.\n* [Freasy-Monad ★ 90 ⧗ 14](https://github.com/Thangiee/Freasy-Monad) - Easy way to create Free Monad for Cats and Scalaz using Scala macros with first-class Intellij support.\n* [Freedsl ★ 25 ⧗ 5](https://github.com/ISCPIF/freedsl) - A library to implement composable side effects, weaving typeclasses on a wrapping type and the free monad.\n* [Freestyle ★ 430 ⧗ 0](https://github.com/frees-io/freestyle) - A cohesive \u0026 pragmatic framework of FP centric Scala libraries.\n* [Hamsters ★ 216 ⧗ 0](https://github.com/scala-hamsters/hamsters) - A mini Scala utility library. Compatible with functional programming beginners. Featuring validation, monad transformers, HLists, Union types.\n* [idid ★ 4 ⧗ 43](https://github.com/lucastorri/idid) - A library to define common interfaces for different Id types.\n* [Lamma ★ 70 ⧗ 8](https://github.com/maxcellent/lamma) - A Scala date library for date and schedule generation.\n* [LArray ★ 225 ⧗ 25](https://github.com/xerial/larray) - Large off-heap arrays (\u003e 2GB) and mmap files.\n* [Log4s](http://www.log4s.org/) - Fast, Scala-friendly logging bindings on top of [SLF4J](http://slf4j.org/). Uses macros for extreme performance.\n* [LogStage ★ 75 ⧗ 0](https://github.com/7mind/izumi) - Zero-effort structural logger for Scala with [SLF4J] integration.\n* **[Scala-Logging ★ 707](https://github.com/lightbend/Scala-Logging)** - Convenient and performant logging library for Scala wrapping SLF4J.\n* **[Monocle ★ 757 ⧗ 0](https://github.com/julien-truffaut/Monocle)** - An Optics/Lens library for purely functional manipulation of immutable objects.\n* **[n-scala ★ 662 ⧗ 3](https://github.com/nscala-time/nscala-time)** - Scala wrapper for Joda Time.\n* [Persist-Logging ★ 33 ⧗ 48](https://github.com/nestorpersist/logging) - Comprehensive logging library for Scala.\n* [Quicklens ★ 245 ⧗ 0](https://github.com/adamw/quicklens) - modify deeply nested case class fields with an elegant API\n* [Rapture](http://rapture.io/) ([repo](https://github.com/propensive/rapture)) - a collection of libraries for common, everyday programming tasks (I/O, JSON, i18n, etc.)\n* [Records for Scala ★ 125 ⧗ 55](https://github.com/scala-records/scala-records) - Labeled records for Scala based on structural refinement types and macros.\n* [refined ★ 447 ⧗ 3](https://github.com/fthomas/refined) - Simple refinement types with compile- and runtime checking\n* [Resolvable ★ 0 ⧗ 94](https://github.com/stanch/resolvable) - A library to optimize fetching immutable data structures from several endpoints in several formats.\n* [Squid ★ 88 ⧗ 9](https://github.com/epfldata/squid) - Type-safe metaprogramming framework with typed, hygienic quasiquotes.\n* **[Scala Async ★ 778 ⧗ 0](https://github.com/scala/async)** - An asynchronous programming facility for Scala.\n* [Scala Graph](http://www.scala-graph.org/) - A Scala library with basic graph functionality that seamlessly fits into the Scala standard collections library.\n* [scala.meta](http://scalameta.org/) - A clean-room implementation of a metaprogramming toolkit for Scala.\n* [Scalactic](http://www.scalactic.org/) - Small library of utilities related to quality that helps keeping code clear and correct.\n* **[Scalaz ★ 3045 ⧗ 0](https://github.com/scalaz/scalaz)** - An extension to the core Scala library for functional programming.\n* [scribe ★ 36 ⧗ 3](https://github.com/outr/scribe) - Practical logging framework that doesn't depend on any other logging framework and can be completely configured programmatically.\n* **[Shapeless ★ 2002 ⧗ 0](https://github.com/milessabin/shapeless)** - A type class and dependent type based generic programming library for Scala.\n* [Simulacrum ★ 484 ⧗ 2](https://github.com/mpilquist/simulacrum) - First class syntax support for type classes in Scala.\n* [Stateless Future ★ 165 ⧗ 35](https://github.com/qifun/stateless-future) - Asynchronous programming in fully featured Scala syntax.\n* [tinylog ★ 198 ⧗ 0](https://github.com/pmwmedia/tinylog) - Lightweight logging framework with native logging API for Scala.\n* **[Twitter Util ★ 1809 ⧗ 1](https://github.com/twitter/util)** - General-purpose Scala libraries, including a future implementation and other concurrency tools.\n* [wvlet-log ★ 43 ⧗ 13](https://github.com/wvlet/log) - A library for enhancing your application logs with colors and source code locations.\n\n## Misc\n\n*Projects that don't fit into any specific category.*\n\n* [Agora](https://gitlab.com/aossie/Agora/) - Library of vote-counting algorithms for elections.\n* [Ammonite-REPL](http://lihaoyi.github.io/Ammonite/#Ammonite-REPL) - An improved Scala REPL: syntax highlighting, output formatting, multi-line input, and more.\n* [aws4s](https://github.com/aws4s/aws4s) - Non-blocking AWS SDK for Scala exposing strongly-typed APIs built on top of http4s, fs2 and cats.\n* [BootZooka ★ 331 ⧗ 5](https://github.com/softwaremill/bootzooka) - Simple project to quickly start developing a web application using AngularJS and Akka HTTP, without the need to write login, user registration etc.\n* **[Eclair ★ 804](https://github.com/ACINQ/eclair)** - ACINQ's Lightning Network implementation written in Scala.  Lightning Network is a second layer protocol built on top of bitcoin to address scalability, privacy, confirmation time and many other issues.\n* [Fansi ★ 96 ⧗ 15](https://github.com/lihaoyi/fansi) - Scala/Scala.js library for manipulating Fancy Ansi colored strings\n* [GoogleApiScala ★ 5 ⧗ 3](https://github.com/EckerdCollege/google-api-scala) - A simple scala library offering control of Google Drive, Calendar, and the Admin SDK.\n* [Google4s ★ 7 ⧗ 3](https://github.com/toknapp/google4s/) - Lean, functional library for Google Cloud Services in Scala (KMS, Cloud Storage, PubSub)\n* [mailgun4s ★ 7 ⧗ 4](https://github.com/outr/mailgun4s) - Scala wrapper around the Mailgun API\n* [media4s ★ 5 ⧗ 3](https://github.com/outr/media4s) - Scala command-line wrapper around ffmpeg, ffprobe, ImageMagick, and other tools relating to media.\n* [Miniboxing](https://github.com/miniboxing/miniboxing-plugin) - A Scala compiler plugin that improves program performance -- [see the project web site](http://scala-miniboxing.org) - Less boxes\n* [Openquant ★ 73 ⧗ 0](https://github.com/openquant) - A Scala open source quantitative trading platform\n* [Ostinato ★ 27 ⧗ 7](https://github.com/marianogappa/ostinato) - A chess library that runs on the server (Scala) and on the browser (ScalaJS)\n* [pdf4s ★ 3 ⧗ 3](https://github.com/outr/pdf4s) - Simplified wrapper to create PDFs in Scala.\n* [Play Swagger ★ 174 ⧗ 3](https://github.com/iheartradio/play-swagger) - Automatically create Swagger documentation for your Play REST API\n* [powerscala ★ 11 ⧗ 80](https://github.com/outr/powerscala) - Powerful framework providing many useful utilities and features on top of the Scala language.\n* [pprint](https://github.com/lihaoyi/pprint) - Pretty-printer for Scala values and types for easier reading and debugging\n* **[PureConfig ★ 759 ⧗ 2](https://github.com/pureconfig/pureconfig)** - A boilerplate-free Scala library for loading configuration files.\n* [REPLesent ★ 319 ⧗ 5](https://github.com/marconilanna/REPLesent) - A presentation tool built inside the Scala REPL. Runs code straight from your slides with a single keystroke.\n* [scala-debugger ★ 52 ⧗ 18](https://github.com/ensime/scala-debugger) - Scala libraries and tooling utilizing the Java Debugger Interface.\n* [scala-ssh ★ 186 ⧗ 6](https://github.com/sirthias/scala-ssh) - Remote shell access via SSH for your Scala applications\n* [Scalan ★ 81 ⧗ 67](https://github.com/scalan/scalan) - A framework for development of domain-specific compilers in Scala\n* [ScalaSTM](https://nbronson.github.io/scala-stm/) - Software Transaction Memory for Scala\n* [Scavenger](https://gitlab.com/aossie/Scavenger) - An experimental automated theorem prover.\n* [service-chassis](https://github.com/allawala/service-chassis) - A scala chassis to get your applications and services bootstrapped quickly.\n* [settler ★ 4 ⧗ 171](https://github.com/lucastorri/settler) - Boilerplate-free typed settings generation in Scala.\n* [Simple Scala Config ★ 43 ⧗ 5](https://github.com/ElderResearch/ssc) - Thin, idiomatic Scala wrapper around [Typesafe Config](https://github.com/typesafehub/config) with custom `Reader[T]` suppport.\n* [YahooFinanceScala ★ 15 ⧗ 2](https://github.com/openquant/YahooFinanceScala) - Get stock data from Yahoo Finance using Akka http.\n\n## Android\n\n*Scala libraries and wrappers for Android development.*\n\n* **[Android SDK Plugin for SBT ★ 609 ⧗ 1](https://github.com/pfn/android-sdk-plugin)** - An sbt plugin that adds tasks for developing Android applications.\n* [Gradle Android Scala Plugin ★ 318 ⧗ 20](https://github.com/saturday06/gradle-android-scala-plugin) - A gradle plugin that allows you to use Scala with Android\n* **[Macroid ★ 511 ⧗ 3](https://github.com/47deg/macroid)** - A modular functional UI language for Android.\n* **[Scaloid ★ 2065 ⧗ 0](https://github.com/pocorall/scaloid)** - Less painful Android development with Scala.\n\n## HTTP\n\n*Scala libraries and wrappers for HTTP clients.*\n\n* [Akka HTTP ★ 306 ⧗ 1](https://github.com/akka/akka-http) - The Streaming-first HTTP server/module of [Akka](https://github.com/akka/akka).\n* [Dispatch ★ 366 ⧗ 6](https://github.com/dispatch/reboot) - Library for asynchronous HTTP interaction. It provides a Scala vocabulary for Java’s [async-http-client](https://github.com/AsyncHttpClient/async-http-client).\n* **[Finch.io ★ 1005 ⧗ 3](https://github.com/finagle/finch)** - Purely Functional REST API atop of [Finagle](https://github.com/twitter/finagle).\n* [Fintrospect ★ 37 ⧗ 0](http://fintrospect.io) - Implement fast, type-safe HTTP webservices for [Finagle](https://github.com/twitter/finagle).\n* **[Http4s ★ 732 ⧗ 3](https://github.com/http4s/http4s)** - A minimal, idiomatic Scala interface for HTTP.\n* [jefe ★ 2 ⧗ 105](https://github.com/outr/jefe) - Manages installation, updating, downloading, launching, error reporting, proxying, multi-server management, and much more for your stand-alone and web applications.\n* [lolhttp ★ 64 ⧗ 10](https://github.com/criteo/lolhttp) An HTTP \u0026 HTTP/2 Server and Client library for Scala.\n* [RösHTTP ★ 79 ⧗ 9](https://github.com/hmil/RosHTTP) - A lightweight asynchronous HTTP API built with Scala.js in mind. Supports the JVM and Node.js runtimes as well as most browsers.\n* **[scalaj-http ★ 580 ⧗ 0](https://github.com/scalaj/scalaj-http)** - Simple scala wrapper for HttpURLConnection (including OAuth support).\n* [Scalaxb ★ 235 ⧗ 18](https://github.com/eed3si9n/scalaxb) - An XML data-binding tool for Scala that supports W3C XML Schema (xsd) and Web Services Description Language (wsdl) as the input file.\n* [Spray](http://spray.io/) - Actor-based library for http interaction.\n* [sttp](https://github.com/softwaremill/sttp) - The Scala HTTP client you always wanted!\n* [Tubesocks ★ 12 ⧗ 174](https://github.com/softprops/tubesocks) - Library supporting bi-directional communication with websocket servers.\n* [requests-scala ★ 326](https://github.com/lihaoyi/requests-scala) - A Scala port of the popular Python Requests HTTP client: flexible, intuitive, and straightforward to use.\n\n## Semantic Web\n\n*Scala libraries for interactions with the Web of Data, and other RDF tools.*\n\n* [Banana-RDF ★ 207 ⧗ 26](https://github.com/banana-rdf/banana-rdf) - Scala-friendly abstractions for RDF and Linked Data technologies. Supports Jena, Sesame and native Scala.\n* [rdfp ★ 4 ⧗ 50](https://github.com/jannvck/rdfp) - RDF stream processing framework in Scala\n* [Scowl ★ 16 ⧗ 36](https://github.com/phenoscape/scowl) - Scala DSL allowing a declarative approach to composing OWL expressions and axioms using the OWL API.\n\n## Metrics and Monitoring\n\n*Scala libraries for gathering metrics and monitoring applications.*\n\n* [Kamon](http://kamon.io) - Gathering metrics from applications built with Akka, Spray and Play! with support for user metrics as well.\n* [Metrics-Scala ★ 335](https://github.com/erikvanoosten/metrics-scala) - Scala API for Dropwizard's Metrics library.\n\n## Parsing\n\n*Scala libraries for creating parsers.*\n\n* [atto ★ 148 ⧗ 1](https://github.com/tpolecat/atto) - Pure functional incremental text parsing library for Scala, based on Attoparsec.\n* [CLIST ★ 43 ⧗ 24](https://github.com/backuity/clist) - Command Line Interface Scala Toolkit\n* [decline ★ 101](https://github.com/bkirwi/decline) - composable command-line parser for Scala, built on Cats\n* [Fast Parse ★ 467 ⧗ 1](https://github.com/lihaoyi/fastparse) - Fast to write, Fast running Parsers in Scala\n* **[Parboiled2 ★ 502 ⧗ 7](https://github.com/sirthias/parboiled2)** - A Fast Parser Generator for Scala 2.10.3+.\n* [Scala Parser Combinators ★ 221 ⧗ 0](https://github.com/scala/scala-parser-combinators) - Scala Standard Parser Combinator Library.\n* **[Scopt ★ 678 ⧗ 0](https://github.com/scopt/scopt)** - Simple scala command line options parsing.\n\n## Sbt plugins\n\n*Sbt plugins to make your life easier.*\n\n* [better-monadic-for ★ 371 ⧗ 8](https://github.com/oleg-py/better-monadic-for) - A Scala compiler plugin to give patterns and for-comprehensions the love they deserve\n* **[coursier ★ 847 ⧗ 0](https://github.com/alexarchambault/coursier)** - A Scala library to fetch dependencies from Maven / Ivy repositories\n* [mdoc ★ 94 ⧗ 0](https://github.com/scalameta/mdoc) - Typechecked markdown documentation for Scala [https://scalameta.org/mdoc/](https://scalameta.org/mdoc/)\n* [sbt-api-mappings ★ 38 ⧗ 67](https://github.com/ThoughtWorksInc/sbt-api-mappings) - A Sbt plugin that resolves external API links to common Scala libraries.\n* **[sbt-assembly ★ 1522](https://github.com/sbt/sbt-assembly)** - Deploy fat JARs. Restart processes.\n* [sbt-buildinfo ★ 274 ⧗ 1](https://github.com/sbt/sbt-buildinfo) - Generates Scala source from build definition.\n* [sbt-classfinder ★ 3 ⧗ 39](https://github.com/ruippeixotog/sbt-classfinder) - Retrieves runtime information about the classes and traits in a project.\n* [sbt-ci-release ★ 102 ⧗ 0](https://github.com/olafurpg/sbt-ci-release) - sbt plugin to automate Sonatype releases from Travis CI\n* [sbt-dependency-check ★ 108 ⧗ 0](https://github.com/albuch/sbt-dependency-check) - SBT Plugin for OWASP DependencyCheck. Monitor your dependencies and report if there are any publicly known vulnerabilities (e.g. CVEs).\n* **[sbt-dependency-graph ★ 731 ⧗ 1](https://github.com/jrudolph/sbt-dependency-graph)** - Create a dependency graph for your project.\n* [sbt-docker ★ 422 ⧗ 3](https://github.com/marcuslonnberg/sbt-docker) - Create Docker images directly from sbt\n* [sbt-doctest ★ 148](https://github.com/tkawachi/sbt-doctest) - Plugin for sbt that generates tests from examples in ScalaDoc.\n* [sbt-ensime ★ 197 ⧗ 11](https://github.com/ensime/ensime-sbt) - Generates .ensime config files for SBT projects [http://ensime.org/build_tools/sbt](http://ensime.org/build_tools/sbt)\n* [sbt-ghpages ★ 87 ⧗ 118](https://github.com/sbt/sbt-ghpages) - git, site and ghpages support for sbt projects.\n* [sbt-groll ★ 87 ⧗ 10](https://github.com/sbt/sbt-groll) - sbt plugin to roll the Git history.\n* [sbt-haxe ★ 9 ⧗ 274](https://github.com/qifun/sbt-haxe) - A Sbt plugin to compile Haxe sources.\n* [sbt-header ★ 157 ⧗ 67](https://github.com/sbt/sbt-header) - an sbt plugin for creating file headers, e.g. copyright headers\n* [sbt-ide-settings ★ 32 ⧗ 27](https://github.com/Jetbrains/sbt-ide-settings) - SBT plugin for tweaking various IDE settings\n* **[sbt-jmh ★ 627 ⧗ 66](https://github.com/ktoso/sbt-jmh)** - \"Trust no one, bench everything.\" - sbt plugin for JMH (Java Microbenchmark Harness)\n* [sbt-microsites ★ 245 ⧗ 0](https://github.com/47deg/sbt-microsites) - An sbt plugin to create awesome microsites for your project [https://47deg.github.io/sbt-microsites/](https://47deg.github.io/sbt-microsites/)\n* [sbt-mima-plugin ★ 247 ⧗ 0](https://github.com/lightbend/mima) - A tool for catching binary incompatibility in Scala\n* **[sbt-native-packager ★ 811 ⧗ 3](https://github.com/sbt/sbt-native-packager)** - Bundle up Scala software for native packaging systems, like deb, rpm, homebrew, msi..\n* [sbt-pack ★ 284 ⧗ 7](https://github.com/xerial/sbt-pack) - A sbt plugin for creating distributable Scala packages.\n* [sbt-pantarhei ★ 3 ⧗ 0](https://github.com/kolov/sbt-pantarhei) - SBT plugin to generate release notes from the pull requests and git commits in GitHub.\n* [sbt-pgp ★ 101 ⧗ 4](https://github.com/sbt/sbt-pgp) - PGP plugin for sbt\n* **[sbt-revolver ★ 519 ⧗ 0](https://github.com/spray/sbt-revolver)** - Fork \u0026 Stop processes from sbt.\n* **[sbt-release ★ 543 ⧗ 70](https://github.com/sbt/sbt-release)** - A release plugin for sbt \n* [sbt-robovm ★ 107 ⧗ 17](https://github.com/roboscala/sbt-robovm) - An sbt plugin for iOS development in Scala\n* [sbt-scalafmt ★ 37 ⧗ 6](https://github.com/scalameta/sbt-scalafmt) - sbt plugin for Scalafmt [https://scalameta.org/scalafmt/](https://scalameta.org/scalafmt/)\n* [sbt-scala-js-map ★ 12 ⧗ 2](https://github.com/ThoughtWorksInc/sbt-scala-js-map) - A sbt plugin that configures source mapping for Scala.js projects hosted on Github\n* [sbt-scoverage ★ 470 ⧗ 68](https://github.com/scoverage/sbt-scoverage) - A plugin for SBT that integrates the scoverage code coverage library.\n* [sbt-site ★ 159 ⧗ 122](https://github.com/sbt/sbt-site) - Site generation for sbt [https://www.scala-sbt.org/sbt-site/](https://www.scala-sbt.org/sbt-site/)\n* [sbt-sonatype ★ 221 ⧗ 4](https://github.com/xerial/sbt-sonatype) - A sbt plugin for publishing Scala/Java projects to the Maven central.\n* [sbt-sublime ★ 145 ⧗ 38](https://github.com/orrsella/sbt-sublime) - Create Sublime Text projects with library dependencies sources\n* [sbt-unidoc ★ 104 ⧗ 94](https://github.com/sbt/sbt-unidoc) - sbt plugin to create a unified API document across projects\n* [sbt-updates ★ 316 ⧗ 3](https://github.com/rtimush/sbt-updates) - Shows sbt project's dependency updates.\n* [sbt-versions ★ 14 ⧗ 167](https://github.com/sksamuel/sbt-versions) - Plugin that checks for updated versions of your project's dependencies.\n* [sbt-view ★ 7 ⧗ 18](https://github.com/nestorpersist/sbt-view) - View ScalaDoc/JavaDoc in browser window.\n* **[sbteclipse ★ 632 ⧗ 0](https://github.com/typesafehub/sbteclipse)** - Create Eclipse project definitions from sbt builds.\n* [scala-clippy ★ 211 ⧗ 5](https://github.com/softwaremill/scala-clippy) - Good advice and coloring for Scala compiler errors\n* [ScalaKata2 ★ 79 ⧗ 0](https://github.com/MasseGuillaume/ScalaKata2) - Scala playground \u0026 Documentation tool.\n* [sbt-hepek ★ 5 ⧗ 0](https://github.com/sake92/sbt-hepek) - Make static websites in Scala code (render `object` to file!).\n* [splain ★ 234 ⧗ 0](https://github.com/tek/splain) - Better implicit errors for Scala.\n* [tut ★ 364 ⧗ 2](https://github.com/tpolecat/tut) - Tool for writing documentation with typechecked examples.\n* [xsbt-web-plugin ★ 334 ⧗ 1](https://github.com/earldouglas/xsbt-web-plugin) - Build enterprise J2EE Web applications in Scala.\n\n## XML / HTML\n\n*XML and HTML generation and processing*\n\n* [scala-scraper ★ 316 ⧗ 1](https://github.com/ruippeixotog/scala-scraper) - A library for scraping content from HTML pages.\n* [xs4s ★ 29 ⧗ 47](https://github.com/ScalaWilliam/xs4s) - XML Streaming for Scala for processing large (gigabytes and over) XML files.\n\n## Markdown\n\n* [Laika ★ 161](https://github.com/planet42/Laika) - Text Markup Transformer for sbt and Scala applications, transforming Markdown and reStructuredText to HTML and PDF.\n\n## Learning Scala\n\n*Nice books, blogs and other resources to learn Scala*\n\n### Community Members' Blogs\n* http://aperiodic.net/phil/scala/s-99/\n* http://appliedscala.com/\n* http://blog.higher-order.com/\n* http://blog.tmorris.net/tags/Scala/index.html\n* http://danielwestheide.com/scala/neophytes.html\n* http://debasishg.blogspot.com/\n* http://degoes.net/articles/\n* http://eed3si9n.com/category/tags/scala\n* http://ktoso.github.io/scala-types-of-types/\n* http://scalacookbook.com/\n* http://scalaprof.blogspot.com/\n* http://torre.me.uk/docs/scala/\n* http://www.lihaoyi.com/\n* http://www.rabbitonweb.com/\n* http://www.warski.org/blog/\n* https://alvinalexander.com/fpbook\n* https://blog.bruchez.name/search/label/scala\n* https://github.com/lemastero/scala_typeclassopedia\n* https://janzhou.org/scala/\n* https://kubuszok.com/tags/#scala\n* https://manuel.bernhardt.io/blog/\n* https://naildrivin5.com/scalatour/\n* https://pchiusano.github.io/\n* https://www.beyondthelines.net/\n\n### Company Blogs\n* [Functional Works / Learn](https://functional.works-hub.com/learn/) - Quality resources maintained by functional works\n* http://allaboutscala.com/\n* http://enear.github.io/\n* https://blog.knoldus.com/tag/scala/\n* https://blog.scalac.io/tags/Scala/\n* https://blog.softwaremill.com/tagged/scala\n* https://medium.com/disney-streaming/tagged/thisweekinscala\n* https://www.codacy.com/blog/\n* [Scala Times](https://scalatimes.com/) - Weekly newsletter about scala\n\n\n\n### Misc.\n* [A Tour of Scala](http://docs.scala-lang.org/tour/tour-of-scala.html) - Bite-sized introductions to some of the core language concepts.\n* [CA Art](https://github.com/makingthematrix/ca_art) - A small project aimed at learning Scala on intermediate level by experimenting with Cellular Automata\n* **[Demos and Examples in Scala (Chinese) ★ 923 ⧗ 2](https://github.com/jacksu/utils4s)** - repo of sample Scala library usage, written in Chinese\n* [Deploying Scala libraries to Sonatype for dummies ★ 23 ⧗ 25](https://github.com/larroy/deployingScalaLibrariesToSonatype) - None\n* Resources by [Dr. Mark Lewis](http://www.cs.trinity.edu/~mlewis/) \u003e\u003e [Website](http://www.programmingusingscala.net/) | [Youtube Playlists](https://www.youtube.com/user/DrMarkCLewis/playlists)\n* [Exercism - Scala Exercises](http://exercism.io/languages/scala/exercises) - Community-driven Scala exercises.\n* [Essential Scala](https://underscore.io/books/essential-scala/) - None\n* [Functional Programming in Scala](https://www.coursera.org/specializations/scala) - Coursera Specialization (5 courses) created by  Martin Odersky et al. at the EPFL (Ecole polytechnique fédérale de Lausanne).\n* [Functional Programming for Mortals](https://leanpub.com/fpmortals/read) - None\n* [Get Programming with Scala](https://www.manning.com/books/get-programming-with-scala) - Tutorial-driven introduction to Scala\n* [Introduction to programming with dependent types in Scala](https://stepik.org/course/2294/) - Video Course by Dmytro Mitin\n* [Learn-by-doing functional programming course on Scala](https://github.com/dehun/learn-fp/) - Covers type classes, functors, applicatives, monads, monad transformers, free monad\n* [Programming Community Curated Resources for Learning Scala](https://hackr.io/tutorials/learn-scala)\n* [Reactive Programming with Scala and Akka](http://www.foxebook.net/reactive-programming-with-scala-and-akka/) - Use the concepts of reactive programming to build distributed systems running on multiple nodes\n* [Scala Collections Cookbook](http://colobu.com/ScalaCollectionsCookbook/) - Scala collections introduction. written in Chinese.\n* [Scala Exercises](http://scala-exercises.47deg.com/) - Brings the popular Scala Koans to the web. Offering hundreds of solvable exercises organized into 42 categories covering the basics of the Scala language.\n* [Scala With Cats](https://underscore.io/books/scala-with-cats/) - Learn system architecture and design using the techniques of modern functional programming with [Cats](https://typelevel.org/cats/)\n* [Scala in Depth](https://www.manning.com/books/scala-in-depth) - None\n* [Scala school](https://twitter.github.io/scala_school/) - Scala school started as a series of lectures at Twitter to prepare experienced engineers to be productive Scala programmers.\n* [Scalera Blog](http://www.scalera.es) - Blog about Scala language and its environment (howto's, good practices, tips,...). Weekly posts written in both spanish and english\n* [Scala for the Impatient 2nd Edition](https://horstmann.com/scala/) - Covers most Scala features with short and easy to understand explainations.\n* [The Type Astronaut's Guide to Shapeless](https://underscore.io/books/shapeless-guide/) - None\n\n## JavaScript\n\n*JavaScript generation and interop libraries.*\n\n* [scala-js-fiddle](http://www.scala-js-fiddle.com/) ([repo](https://github.com/lihaoyi/scala-js-fiddle)) - Browser-based Scala.js playground\n* [Scala.js](http://www.scala-js.org/) ([repo](https://github.com/scala-js/scala-js)) - Scala to JavaScript compiler\n\n## Scheduling\n\n* [akka-quartz-scheduler ★ 365](https://github.com/enragedginger/akka-quartz-scheduler) - Quartz Extension and utilities for cron-style scheduling in Akka.\n\n## Templating\n\n*Web templating engines.*\n\n* [Beard ★ 67 ⧗ 3](https://github.com/zalando/beard) - lightweight logicless templating engine inspired by Mustache\n* [Scalatags ★ 492 ⧗ 3](https://github.com/lihaoyi/scalatags) - Write html as scala code and have your IDE syntax check it.\n* [Scalate ★ 517](https://github.com/scalate/scalate) - Scala based template engine which supports HAML, Mustache and JSP, Erb and Velocity style syntaxes\n* [Twirl ★ 324 ⧗ 3](https://github.com/playframework/twirl) - The Play Scala Template Compiler\n\n## Tools\n\n* [Codacy](https://www.codacy.com/) - Automated Code Reviews for Scala\n* [dregrex](https://github.com/marianobarrios/dregex) - Regular expression engine using deterministic finite automata. It supports some Perl-style features and yet retains linear matching time.\n* [Fastring ★ 97 ⧗ 2](https://github.com/Atry/fastring) - Extremely fast string formatting\n* [fast-string-interpolator ★ 24 ⧗ 0](https://github.com/Sizmek/fast-string-interpolator) - Scala macro that generates ultra-fast string interpolators\n* **[Gitbucket ★ 6296 ⧗ 0](https://github.com/gitbucket/gitbucket)** - The easily installable GitHub clone powered by Scala\n* [Giter8](http://www.foundweekends.org/giter8/) command line tool to generate files and directories from templates published on Github\n* [Metals ★ 953 ⧗ 206](https://github.com/scalameta/metals) - Scala language server with rich IDE features\n* [Mill](http://www.lihaoyi.com/mill/) - A better Scala build tool\n* [pos ★ 13](https://github.com/JohnReedLOL/pos) - Print debug tool, successor of scala-trace-debug\n* [Scalafix](https://github.com/scalacenter/scalafix) - Refactoring and linting tool\n* [sbt](http://www.scala-sbt.org/) ([repo](https://github.com/sbt/sbt)) - The interactive build tool for Scala\n* [Scala @LibHunt](https://scala.libhunt.com) - The go-to Scala Toolbox.\n* [scala-trace-debug ★ 111  ⧗ 14](https://github.com/JohnReedLOL/scala-trace-debug) - Multithreaded print debug tool\n* [Scalariform ★ 116 ⧗ 47](https://github.com/daniel-trinh/scalariform) - Scala source code formatter\n* [Scalastyle ★ 463 ⧗ 1](https://github.com/scalastyle/scalastyle) - Scala style checker.\n* [Scalatex ★ 236 ⧗ 12](https://github.com/lihaoyi/Scalatex) - Programmable, Typesafe Document Generation\n* [Scapegoat ★ 230 ⧗ 6](https://github.com/sksamuel/scapegoat) - Scala compiler plugin for static code analysis\n* [Scaps](http://scala-search.org/) ([repo](https://github.com/scala-search/scaps)) - A search engine for Scala libraries\n* [Scoverage](https://github.com/scoverage) - Scala Code Coverage tool\n* **[Wartremover ★ 662 ⧗ 1](https://github.com/puffnfresh/wartremover)** - Wartremover a flexible Scala code linting tool\n\n## Geospatial\n\n*Libraries to aid with geospatial calculations and artifacts.*\n\n* **[Geotrellis ★ 553 ⧗ 0](https://github.com/locationtech/geotrellis)** - Scalable raster toolkit for GIS processing\n* [osm4scala ★ 8 ⧗ 40](https://github.com/angelcervera/osm4scala) - OpenStreetMap PBF2 file parser\n* [rtree2d ★ 27 ⧗ 1](https://github.com/Sizmek/rtree2d) - RTree2D is a 2D immutable R-tree with STR (Sort-Tile-Recursive) packing for ultra-fast nearest and intersection queries on plane and spherical surfaces\n* [sfcurve ★ 20 ⧗ 1](https://github.com/locationtech/sfcurve) - Space filling curves in Scala for geospatial indexing and query\n\n## Devops\n\n*DevOps related tools and libraries.*\n\n* [Skuber ★ 85 ⧗ 0](https://github.com/doriordan/skuber) - Kubernetes client in Scala\n\n# Resources\n\nWhere to discover new Scala libraries.\n\n## Podcasts\n\n* [CoRecursive Interviews](https://corecursive.com/) - In-depth Interviews with software developers, often on the subject of scala libraries and functional programming.\n\n# Contributing\n\nYour contributions are always welcome! Please submit a pull request or create an issue to add a new framework, library or software to the list. Do not submit a project that hasn’t been updated in the past 6 months or is not awesome.\n","projects_url":"https://awesome.ecosyste.ms/api/v1/lists/eric-erki%2Fawesome-scala/projects"}