Ecosyste.ms: Awesome
An open API service indexing awesome lists of open source software.
awesome-java
A curated list of awesome frameworks, libraries and software for the Java programming language.
https://github.com/akullpp/awesome-java
- dOOv - Provides fluent API for typesafe domain model validation and mapping. It uses annotations, code generation and a type safe DSL to make bean validation and mapping fast and easy.
- JMapper - Uses byte code manipulation for lightning-fast mapping. Supports annotations and API or XML configuration.
- MapStruct - Code generator that simplifies mappings between different bean types, based on a convention-over-configuration approach.
- ModelMapper - Intelligent object mapping library that automatically maps objects to each other.
- Orika - JavaBean-mapping framework that recursively copies (among other capabilities) data from one object to another.
- reMap - Lambda and method handle-based mapping which requires code and not annotations if objects have different names.
- Selma - Annotation processor-based bean mapper.
- Apache Maven - Declarative build and dependency management that favors convention over configuration. It might be preferable to Apache Ant, which uses a rather procedural approach and can be difficult to maintain.
- Bazel - Tool from Google that builds code quickly and reliably.
- Buck - Encourages the creation of small, reusable modules consisting of code and resources.
- Gradle - Incremental builds programmed via Groovy instead of declaring XML. Works well with Maven's dependency management.
- ASM - All-purpose, low-level bytecode manipulation and analysis.
- Byte Buddy - Further simplifies bytecode generation with a fluent API.
- bytecode-viewer - Java 8 Jar & Android APK reverse engineering suite. (GPL-3.0-only)
- Byteman - Manipulate bytecode at runtime via DSL (rules); mainly for testing/troubleshooting. (LGPL-2.1-or-later)
- cglib - Bytecode generation library.
- Javassist - Tries to simplify bytecode editing.
- Maker - Provides low level bytecode generation.
- Mixin - Manipulate bytecode at runtime using real Java code.
- Perses - Dynamically injects failure/latency at the bytecode level according to principles of chaos engineering.
- Recaf - JVM reverse engineering toolkit, essentially an IDE for Java bytecode.
- cache2k - In-memory high performance caching library.
- Caffeine - High-performance, near-optimal caching library.
- Ehcache - Distributed general-purpose cache.
- Infinispan - Highly concurrent key/value datastore used for caching.
- Airline - Annotation-based framework for parsing Git-like command-line arguments.
- JCommander - Command-line argument-parsing framework with custom types and validation via implementing interfaces.
- jbock - Reflectionless command line parser.
- JLine - Includes features from modern shells like completion or history.
- picocli - ANSI colors and styles in usage help with annotation-based POSIX/GNU/any syntax, subcommands, strong typing for both options and positional args.
- Jansi - ANSI escape codes to format console output.
- Jexer - Advanced console (and Swing) text user interface (TUI) library, with mouse-draggable windows, built-in terminal window manager, and sixel image support. Looks like [Turbo Vision](https://en.wikipedia.org/wiki/Turbo_Vision).
- Text-IO - Aids the creation of full console-based applications.
- Lanterna - Easy console text-GUI library, similar to curses. (LGPL-3.0-only)
- Apache Aurora - Mesos framework for long-running services and cron jobs.
- Singularity - Mesos framework that makes deployment and operations easy. It supports web services, background workers, scheduled jobs, and one-off tasks.
- Checkstyle - Static analysis of coding conventions and standards. (LGPL-2.1-or-later)
- Error Prone - Catches common programming mistakes as compile-time errors.
- Error Prone Support - Error Prone extensions: extra bug checkers and a large battery of Refaster templates.
- Infer - Modern static analysis tool for verifying the correctness of code.
- jQAssistant - Static code analysis with Neo4J-based query language. (GPL-3.0-only)
- NullAway - Eliminates NullPointerExceptions with low build-time overhead.
- PMD - Source code analysis for finding bad coding practices.
- p3c - Provides Alibaba's coding guidelines for PMD, IDEA and Eclipse.
- RefactorFirst - Identifies and prioritizes God Classes and Highly Coupled classes.
- SonarJava - Static analyzer for SonarQube & SonarLint. (LGPL-3.0-only)
- Spoon - Library for analyzing and transforming Java source code.
- Spotbugs - Static analysis of bytecode to find potential bugs. (LGPL-2.1-only)
- Clover - Relies on source-code instrumentation instead of bytecode instrumentation.
- Cobertura - Relies on offline (or static) bytecode instrumentation and class loading to collect code coverage metrics. (GPL-2.0-only)
- JaCoCo - Framework that enables collection of code coverage metrics, using both offline and runtime bytecode instrumentation.
- ADT4J - JSR-269 code generator for algebraic data types.
- Auto - Generates factory, service, and value classes.
- Avaje Http Server - Generates Lightweight JAX-RS style http servers using Javalin or Helidon (Nima) SE.
- Bootify  data models.
- Jollyday - Determines the holidays for a given year, country/name and eventually state/region.
- ThreeTen-Extra - Additional date-time classes that complement those in JDK 8.
- Time4J - Advanced date and time library. (LGPL-2.1-only)
- Inversion of Control
- Apache DeltaSpike - CDI extension framework.
- Avaje Inject - Microservice-focused compile-time injection framework without reflection.
- Dagger - Compile-time injection framework without reflection.
- Feather - Ultra-lightweight, JSR-330-compliant dependency injection library.
- Governator - Extensions and utilities that enhance Google Guice.
- Guice - Lightweight and opinionated framework that completes Dagger.
- HK2 - Lightweight and dynamic dependency injection framework.
- JayWire - Lightweight dependency injection framework. (LGPL-3.0-only)
- AspectJ - Seamless aspect-oriented programming extension.
- DCEVM - JVM modification that allows unlimited redefinition of loaded classes at runtime. (GPL-2.0-only)
- Faux Pas - Library that simplifies error handling by circumventing the issue that none of the functional interfaces in the Java Runtime is allowed by default to throw checked exceptions.
- HotswapAgent - Unlimited runtime class and resource redefinition. (GPL-2.0-only)
- JavaParser - Parse, modify and generate Java code.
- JavaSymbolSolver - Symbol solver.
- Manifold - Re-energizes Java with powerful features like type-safe metaprogramming, structural typing and extension methods.
- NoException - Allows checked exceptions in functional interfaces and converts exceptions to Optional return.
- SneakyThrow - Ignores checked exceptions without bytecode manipulation. Can also be used inside Java 8 stream operations.
- Tail - Enable infinite recursion using tail call optimization.
- Apache Geode - In-memory data management system that provides reliable asynchronous event notifications and guaranteed message delivery.
- Apache Storm - Realtime computation system.
- Apache ZooKeeper - Coordination service with distributed configuration, synchronization, and naming registry for large distributed systems.
- Atomix - Fault-tolerant distributed coordination framework.
- Axon - Framework for creating CQRS applications.
- Dropwizard Circuit Breaker - Circuit breaker design pattern for Dropwizard. (GPL-2.0-only)
- Failsafe - Simple failure handling with retries and circuit breakers.
- Hazelcast - Highly scalable in-memory datagrid with a free open-source version.
- JGroups - Toolkit for reliable messaging and cluster creation.
- Quasar - Lightweight threads and actors for the JVM.
- resilience4j - Functional fault tolerance library.
- OpenIG - High-performance reverse proxy server with specialized session management and credential replay functionality.
- ScaleCube Services - Embeddable Cluster-Membership library based on SWIM and gossip protocol.
- Zuul - Gateway service that provides dynamic routing, monitoring, resiliency, security, and more.
- Atomikos - Provides transactions for REST, SOA and microservices with support for JTA and XA.
- Bitronix - Simple but complete implementation of the JTA 1.1 API.
- Narayana - Provides support for traditional ACID and compensation transactions, also complies with JTA, JTS and other standards. (LGPL-2.1-only)
- Seata - Delivers high performance and easy to use distributed transaction services under a microservices architecture.
- Artipie - Binary artifact management toolkit which hosts them on the file system or S3.
- Boxfuse , an application error tracking and performance analysis platform.
- SPM .
- CogCompNLP - Provides common annotators for plain text input. (Research and Academic Use License)
- CoreNLP - Provides a set of fundamental tools for tasks like tagging, named entity recognition, and sentiment analysis. (GPL-3.0-or-later)
- DKPro - Collection of reusable NLP tools for linguistic pre-processing, machine learning, lexical resources, etc.
- LingPipe - Toolkit for tasks ranging from POS tagging to sentiment analysis.
- Commons-networking - Client for server-sent events (SSE).
- Comsat - Integrates standard Java web-related APIs with Quasar fibers and actors.
- Dubbo - High-performance RPC framework.
- Grizzly - NIO framework. Used as a network layer in Glassfish.
- gRPC - RPC framework based on protobuf and HTTP/2.
- KryoNet - Provides a clean and simple API for efficient TCP and UDP client/server network communication using NIO and Kryo.
- MINA - Abstract, event-driven async I/O API for network operations over TCP/IP and UDP/IP via Java NIO.
- Netty - Framework for building high-performance network applications.
- Drift - Easy-to-use, annotation-based library for creating Thrift clients and serializable types.
- ServiceTalk - Framework built on Netty with APIs tailored to specific protocols and support for multiple programming paradigms.
- sshj - Programmatically use SSH, SCP or SFTP.
- TLS Channel - Implements a ByteChannel interface over SSLEngine, enabling easy-to-use (socket-like) TLS.
- Undertow - Web server providing both blocking and non-blocking APIs based on NIO. Used as a network layer in WildFly. (LGPL-2.1-only)
- urnlib - Represent, parse and encode URNs, as in RFC 2141. (GPL-3.0-only)
- Fluency - High throughput data ingestion logger to Fluentd and Fluent Bit.
- Apache Cayenne - Provides a clean, static API for data access. Also includes a GUI Modeler for working with database mappings, and DB reverse engineering and generation.
- Doma - Database access framework that verifies and generates source code at compile time using annotation processing as well as native SQL templates called two-way SQL.
- Ebean - Provides simple and fast data access.
- EclipseLink - Supports a number of persistence standards: JPA, JAXB, JCA and SDO.
- Hibernate - Robust and widely used, with an active community. (LGPL-2.1-only)
- MyBatis - Couples objects with stored procedures or SQL statements.
- ObjectiveSql - ActiveRecord ORM for rapid development and convention over configuration.
- Permazen - Language-natural persistence layer.
- SimpleFlatMapper - Simple database and CSV mapper.
- AWS Elastic Beanstalk .
- Orienteer - Open-source business application platform for rapid configuration/development of CRM, ERP, LMS and other applications.
- Spring - Provides many packages for dependency injection, aspect-oriented programming, security, etc.
- ch.vorburger.exec - Convenient API around Apache Commons Exec.
- zt-exec - Provides a unified API to Apache Commons Exec and ProcessBuilder.
- zt-process-killer - Stops processes started from Java or the system processes via PID.
- Akka - Toolkit and runtime for building concurrent, distributed, fault-tolerant and event-driven applications.
- Reactive Streams - Provides a standard for asynchronous stream processing with non-blocking backpressure.
- Reactor - Library for building reactive fast-data applications.
- RxJava - Allows for composing asynchronous and event-based programs using observable sequences.
- vert.x - Polyglot event-driven application framework.
- Dropwizard - Opinionated framework for setting up modern web applications with Jetty, Jackson, Jersey and Metrics.
- Elide - Opinionated framework for JSON- or GraphQL-APIs based on a JPA data model.
- Jersey - JAX-RS reference implementation.
- Microserver - Convenient, extensible microservices plugin system for Spring & Spring Boot. With more than 30 plugins and growing, it supports both micro-monolith and pure microservices styles.
- Rapidoid - Simple, secure and extremely fast framework consisting of an embedded HTTP server, GUI components and dependency injection.
- rest.li - Framework for building robust, scalable RESTful architectures using typesafe bindings and asynchronous, non-blocking IO with an end-to-end developer workflow that promotes clean practices, uniform interface design and consistent data modeling.
- RESTEasy - Fully certified and portable implementation of the JAX-RS specification.
- RestExpress - Thin wrapper on the JBoss Netty HTTP stack that provides scaling and performance.
- Restlet Framework - Pioneering framework with powerful routing and filtering capabilities, and a unified client and server API.
- Spark - Sinatra inspired framework.
- Crnk - Implementation of the JSON API specification to build resource-oriented REST endpoints with sorting, filtering, paging, linking, object graphs, type-safety, bulk updates, integrations and more.
- springdoc-openapi - Automates the generation of API documentation using Spring Boot projects.
- Swagger - Standard, language-agnostic interface to REST APIs.
- BioJava - Facilitates processing biological data by providing algorithms, file format parsers, sequencing and 3D visualization commonly used in bioinformatics.
- Chart-FX - Scientific charting library with focus on performance optimised real-time data visualisation at 25 Hz update rates for large data sets.
- DataMelt - Environment for scientific computation, data analysis and data visualization. (GPL-3.0-or-later)
- Erdos - Modular, light and easy graph framework for theoretic algorithms.
- GraphStream - Library for modeling and analyzing dynamic graphs.
- JFreeChart - 2D chart library for Swing, JavaFX and server-side applications. (LGPL-2.1-only)
- JGraphT - Graph library that provides mathematical graph-theory objects and algorithms.
- JGraphX - Library for visualizing (mainly Swing) and interacting with node-edge graphs.
- LogicNG - Library for creating, manipulating and solving Boolean and Pseudo-Boolean formulas.
- Mines Java Toolkit - Library for geophysical scientific computation, visualization and digital signal analysis.
- Morpheus - Provides a versatile two-dimensional memory efficient tabular data structure called a DataFrame to enable efficient in-memory analytics for scientific computing on the JVM.
- Orekit - A low level space flight dynamics library providing basic elements (orbits, dates, attitude, frames...) and various algorithms (conversions, propagations, pointing...) to handle them.
- Orson-Charts - Generates a wide variety of 3D charts that can be displayed with Swing and JavaFX or exported to PDF, SVG, PNG and JPEG. (GPL-3.0-only)
- Tablesaw - Includes a data-frame, an embedded column store, and hundreds of methods to transform, summarize, or filter data.
- XChart - Light-weight library for plotting data. Many customizable chart types are available.
- Apache Lucene - High-performance, full-featured, cross-platform, text search engine library.
- Apache Solr - Enterprise search engine optimized for high-volume traffic.
- Elasticsearch - Distributed, multitenant-capable, full-text search engine with a RESTful web interface and schema-free JSON documents.
- Indexer4j - Simple and light full text indexing and searching library.
- Apache Shiro - Performs authentication, authorization, cryptography and session management.
- Bouncy Castle - All-purpose cryptographic library and JCA provider offering a wide range of functions, from basic helpers to PGP/SMIME operations.
- DependencyCheck - Detects publicly disclosed vulnerabilities contained within a project's dependencies.
- Cryptomator - Multiplatform, transparent, client-side encryption of files in the cloud. (GPL-3.0-only)
- Hdiv - Runtime application that repels application security risks included in the OWASP Top 10, including SQL injection, cross-site scripting, cross-site request forgery, data tampering, and brute force attacks.
- jjwt - JSON web token for Java and Android.
- jwt-java - Easily create and parse JSON Web Tokens and create customized JWT validators using a fluent API.
- Jwks RSA - JSON Web Key Set parser.
- Kalium - Binding for the Networking and Cryptography (NaCl) library.
- Keycloak - Integrated SSO and IDM for browser apps and RESTful web services.
- Keywhiz - System for distributing and managing secrets.
- Nbvcxz - Advanced password strength estimation.
- OACC - Provides permission-based authorization services.
- OpenAM - Access management solution that includes authentication, SSO, authorization, federation, entitlements and web services security.
- OTP-Java - One-time password generator library according to RFC 4226 (HOTP) and RFC 6238 (TOTP).
- pac4j - Security engine.
- Passay - Enforce password policy by validating candidate passwords against a configurable rule set.
- Password4j - User-friendly cryptographic library that supports Argon2, Bcrypt, Scrypt, PBKDF2 and various other cryptographic hash functions.
- SecurityBuilder - Fluent Builder API for JCA and JSSE classes and especially X.509 certificates.
- SSLContext-Kickstart - High-level SSL context builder for configuring HTTP clients with SSL/TLS.
- Themis - Multi-platform high-level cryptographic library provides easy-to-use encryption for protecting sensitive data: secure messaging with forward secrecy, secure data storage (AES256GCM); suits for building end-to-end encrypted applications.
- Tink - Provides a simple and misuse-proof API for common cryptographic tasks.
- Topaz - Fine-grained authorization for applications with support for RBAC, ABAC, and ReBAC.
- FlatBuffers - Memory-efficient serialization library that can access serialized data without unpacking and parsing it.
- FST - JDK-compatible, high-performance object graph serialization.
- Fury - Blazing fast object graph serialization framework powered by JIT and zero-copy.
- Kryo - Fast and efficient object graph serialization framework.
- MessagePack - Efficient binary serialization format.
- PHP Serializer - Serializing objects in the PHP serialization format.
- Apache Tomcat - Robust, all-round server for Servlet and JSP.
- Apache TomEE - Tomcat plus Java EE.
- Jetty - Provides a Web server and javax.servlet container, plus support for HTTP/2, WebSocket, OSGi, JMX, JNDI, JAAS and many other integrations.
- nanohttpd - Tiny, easily embeddable HTTP server.
- WildFly - Formerly known as JBoss and developed by Red Hat with extensive Java EE support. (LGPL-2.1-only)
- Freemarker - Library to generate text output (HTML web pages, e-mails, configuration files, source code, etc.) based on templates and changing data.
- Handlebars.java - Logicless and semantic Mustache templates.
- Jade4J - Implementation of Pug (formerly known as Jade).
- Jamal - Extendable template engine embedded into Maven/JavaDoc, supporting multiple extensions (Groovy, Ruby, JavaScript, JShell, PlantUml) with support for snippet handling.
- jstachio - Typesafe Mustache templating engine.
- jte - Compiles to classes, and uses an easy syntax, several features to make development easier and provides fast execution and a small footprint.
- Jtwig - Modular, configurable and fully tested template engine.
- Pebble - Inspired by Twig and separates itself with its inheritance feature and its easy-to-read syntax. It ships with built-in autoescaping for security and it includes integrated support for internationalization.
- Rocker - Optimized, memory efficient and speedy template engine producing statically typed, plain objects.
- StringTemplate - Template engine for generating source code, web pages, emails, or any other formatted text output.
- Thymeleaf - Aims to be a substitute for JSP and works for XML files.
- Awaitility - DSL for synchronizing asynchronous operations.
- ConcurrentUnit - Toolkit for testing multi-threaded and asynchronous applications.
- GreenMail - In-memory email server for integration testing. Supports SMTP, POP3 and IMAP including SSL. (GPL-2.0-only)
- Hoverfly Java - Native bindings for Hoverfly, a proxy which allows you to simulate HTTP services.
- Karate - DSL that combines API test-automation, mocks and performance-testing making testing REST/HTTP services easy.
- REST Assured - DSL for easy testing of REST/HTTP services.
- WebTau - Test across REST-API, Graph QL, Browser, Database, CLI and Business Logic with consistent set of matchers and concepts.
- Cucumber - Provides a way to describe features in a plain language which customers can understand.
- Cukes-REST - Collection of Gherkin steps for REST-service testing using Cucumber.
- J8Spec - Follows a Jasmine-like syntax.
- JBehave - Extensively configurable framework that describes stories.
- JGiven - Provides a fluent API which allows for simpler composition.
- Lamdba Behave - Aims to provide a fluent API to write tests in long and descriptive sentences that read like plain English.
- Serenity BDD - Automated Acceptance testing and reporting library that works with Cucumber, JBehave and JUnit to make it easier to write high quality executable specifications.
- Beanmother - Sets up beans from YAML fixtures.
- Datafaker - Modern fake data generator forked from Java Faker.
- Fixture Factory - Generates fake objects from a template.
- jFairy - Fake data generator.
- Instancio - Automates data setup in unit tests by generating fully-populated, reproducible objects. Includes JUnit 5 extension.
- Randomized Testing - JUnit test runner and plugins for running JUnit tests with pseudo-randomness.
- Java Faker - Port of Ruby's fake data generator.
- Mockneat - Another fake data generator.
- ArchUnit - Test library for specifying and asserting architecture rules.
- Apache JMeter - Functional testing and performance measurements.
- Arquillian - Integration and functional testing platform for Java EE containers.
- Citrus - Integration testing framework that focuses on both client- and server-side messaging.
- Gatling - Load testing tool designed for ease of use, maintainability and high performance.
- JUnit - Common testing framework.
- jqwik - Engine for property-based testing built on JUnit 5.
- Pact JVM - Consumer-driven contract testing.
- PIT - Fast mutation-testing framework for evaluating fault-detection abilities of existing JUnit or TestNG test suites.
- AssertJ - Fluent assertions that improve readability.
- Hamcrest - Matchers that can be combined to create flexible expressions of intent.
- JSONAssert - Simplifies testing JSON strings.
- JsonUnit - Library that simplifies JSON comparison in tests.
- Truth - Google's fluent assertion and proposition framework.
- XMLUnit - Simplifies testing for XML output.
- ConsoleCaptor - Captures console output for unit testing purposes.
- junit-dataprovider - TestNG-like data provider/runner for JUnit.
- LogCaptor - Captures log entries for unit testing purposes.
- log-capture - Captures log entries and provides assertions for unit and integration testing.
- Mutability Detector - Reports whether instances of a given class are immutable.
- pojo-tester - Automatically performs tests on basic POJO methods. (LGPL-3.0-only)
- raml-tester - Tests if a request/response matches a given RAML definition.
- Selfie - Snapshot testing (inline and on disk).
- TestContainers - Provides throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
- JMockit - Integration testing, API mocking and faking, and code coverage.
- Mockito - Mocking framework that lets you write tests with a clean and simple API.
- MockServer - Allows mocking of systems integrated with HTTPS.
- Moco - Concise web services for stubs and mocks.
- PowerMock - Mocks static methods, constructors, final classes and methods, private methods, and removal of static initializers.
- WireMock - Stubs and mocks web services.
- EasyMock - EasyMock is a Java library that provides an easy way to use Mock Objects in unit testing.
- Arthas - Allows to troubleshoot production issues for applications without modifying code or restarting servers.
- bucket4j - Rate limiting library based on token-bucket algorithm.
- cactoos - Collection of object-oriented primitives.
- Chocotea - Generates postman collection, environment and integration tests from java code.
- CRaSH - Provides a shell into a JVM that's running CRaSH. Used by Spring Boot and others. (LGPL-2.1-or-later)
- Dex - Java/JavaFX tool capable of powerful ETL and data visualization.
- dregex - Regular expression engine that uses deterministic finite automata. It supports some Perl-style features and yet retains linear matching time, and also offers set operations.
- Embulk - Bulk data loader that helps data transfer between various databases, storages, file formats, and cloud services.
- fswatch - Micro library to watch for directory file system changes, simplifying java.nio.file.WatchService.
- Gephi - Cross-platform for visualizing and manipulating large graph networks. (GPL-3.0-only)
- Guava - Collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, and more.
- JADE - Framework and environment for building and debugging multi-agent systems. (LGPL-2.0-only)
- Java Diff Utils - Utilities for text or data comparison and patching.
- JavaVerbalExpressions - Library that helps with constructing difficult regular expressions.
- JGit - Lightweight, pure Java library implementing the Git version control system.
- JKScope - Java scope functions inspired by Kotlin.
- minio-java - Provides simple APIs to access any Amazon S3-compatible object storage server.
- Protégé - Provides an ontology editor and a framework to build knowledge-based systems.
- Semver4j - Lightweight library that helps you handling semantic versioning with different modes.
- Underscore-java - Port of Underscore.js functions.
- jabba - Java Version Manager inspired by nvm. Supports macOS, Linux and Windows.
- jenv - Java Version Manager inspired by rbenv. Can configure globally or per project. Tested on Debian and macOS.
- SDKMan - Java Version Manager inspired by RVM and rbenv. Supports UNIX-based platforms and Windows.
- Apache Nutch - Highly extensible, highly scalable web crawler for production environments.
- Crawler4j - Simple and lightweight web crawler.
- jsoup - Scrapes, parses, manipulates and cleans HTML.
- StormCrawler - SDK for building low-latency and scalable web crawlers.
- webmagic - Scalable crawler with downloading, url management, content extraction and persistent.
- ActiveJ - Lightweight asynchronous framework built from the ground up for developing high-performance web applications.
- Apache Tapestry - Component-oriented framework for creating dynamic, robust, highly scalable web applications.
- Apache Wicket - Component-based web application framework similar to Tapestry, with a stateful GUI.
- Blade - Lightweight, modular framework that aims to be elegant and simple.
- Bootique - Minimally opinionated framework for runnable apps.
- Firefly - Asynchronous framework for rapid development of high-performance web application.
- Javalin - Microframework for web applications.
- Jooby - Scalable, fast and modular micro-framework that offers multiple programming models.
- Ninja - Full-stack web framework.
- Pippo - Small, highly modularized, Sinatra-like framework.
- Play - Built on Akka, it provides predictable and minimal resource consumption (CPU, memory, threads) for highly-scalable applications in Java and Scala.
- PrimeFaces - JSF framework with both free and commercial/support versions and frontend components.
- Ratpack - Set of libraries that facilitate fast, efficient, evolvable and well-tested HTTP applications.
- Takes - Opinionated web framework which is built around the concepts of True Object-Oriented Programming and immutability.
- Vaadin - Event-driven framework that uses standard web components. Server-side architecture with Ajax on the client side.
- Cadence - Stateful code platform from Uber.
- flowable - Compact and efficient workflow and business process management platform.
- Temporal - Microservice orchestration platform, forked from Cadence but gRPC based.
- Awesome Annotation Processing
- Awesome Graal
- Awesome Gradle Plugins
- AwesomeJavaFX
- Awesome JVM
- Awesome Microservices
- Awesome REST
- Awesome Selenium
- Awesome Hybris
- ciandcd
- Useful Java Links
- Java Concurrency Checklist
- Java Developer Roadmap
- r/java - Subreddit for the Java community.
- Stack Overflow - Question/answer platform.
- java.libhunt.com
- Core Java Volume I--Fundamentals
- Core Java, Volume II--Advanced Features
- Effective Java (3rd Edition)
- Head First Java (3rd Edition)
- Java Concurrency in Practice
- The Well-Grounded Java Developer (2nd Edition)
- Thinking in Java
- 140 Second Ducklings - Short videos on Twitter explaining Java debugging in depth.
- A Bootiful Podcast
- Foojay Podcast
- Inside Java
- Java Off Heap
- The Java Posse - Discontinued as of 02/2015.
- Adam Bien - Freelance author, JavaOne Rockstar speaker, consultant, Java Champion.
- Aleksey Shipilëv - Performance geek, benchmarking czar, concurrency bug hunter.
- Antonio Goncalves - Java Champion, JUG Leader, Devoxx France, Java EE 6/7, JCP, Author.
- Arun Gupta - Java Champion, JavaOne Rockstar, JUG Leader, Devoxx4Kids-er, VP of Developer Advocacy at Couchbase.
- Brian Goetz - Java Language Architect at Oracle.
- Bruno Borges - Product Manager/Java Jock at Oracle.
- Chris Engelbert - Open Source Enthusiast, Speaker, Developer, Developer Advocacy at TimescaleDB.
- Chris Richardson - Software architect, consultant, and serial entrepreneur, Java Champion, JavaOne Rock Star, \*POJOs in Action- author.
- Ed Burns - Consulting Member of the Technical Staff at Oracle.
- Eugen Paraschiv - Author of the Spring Security Course.
- Heinz Kabutz - Java Champion, speaker, author of The Java Specialists' Newsletter, concurrency performance expert.
- Holly Cummins - Technical Lead of IBM London's Bluemix Garage, Java Champion, developer, author, JavaOne rockstar.
- James Weaver - Java/JavaFX/IoT developer, author and speaker.
- Java EE - Official Java EE Twitter account.
- Java Magazine - Official Java Magazine account.
- Java - Official Java Twitter account.
- Javin Paul - Well-known Java blogger.
- Josh Long - Spring Advocate at Pivotal, author of O'Reilly's Cloud Native Java- and Building Microservices with Spring Boot, JavaOne Rock Star.
- Lukas Eder - Java Champion, speaker, Founder and CEO Data Geekery (jOOQ).
- Mani Sarkar - Java champion, Polyglot, Software Crafter involved with @graalvm, AI/ML/DL, Data Science, Developer communities, speaker & blogger. Creator of couple of awesome lists like this one.
- Mario Fusco - RedHatter, JUG coordinator, frequent speaker and author.
- Mark Heckler - Pivotal Principal Technologist and Developer Advocate, conference speaker, published author, and Java Champion, focusing on Internet of Things and the cloud.
- Mark Reinhold - Chief Architect, Java Platform Group, Oracle.
- Markus Eisele - Java EE evangelist, Red Hat.
- Martijn Verburg - London JUG co-leader, speaker, author, Java Champion and much more.
- Martin Thompson - Pasty faced performance gangster.
- Monica Beckwith - Performance consultant, JavaOne Rock Star.
- OpenJDK - Official OpenJDK account.
- Peter Lawrey - Peter Lawrey, Java performance expert.
- Randy Shoup - Stitch Fix VP Engineering, speaker, JavaOne Rock Star.
- Reza Rahman - Java EE/GlassFish/WebLogic evangelist, author, speaker, open source hacker.
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- Venkat Subramaniam - Author, University of Houston professor, MicroSoft MVP award recipient, JavaOne Rock Star, Java Champion.
- Vlad Mihalcea - Java Champion working on Hypersistence Optimizer, database aficionado, author of High-Performance Java Persistence book.
- Groundbreakers - Oracle ACEs, Groundbreaker Ambassadors and Java Champions.
- Baeldung
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- TheServerSide.com
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- Voxxed
- Java Weekly
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