fucking-awesome-java

A curated list of awesome frameworks, libraries and software for the Java programming language. With repository stars⭐ and forks🍴
https://github.com/correia-jpv/fucking-awesome-java

Last synced: 3 days ago
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Projects
- Build
 - Bazel - Tool from Google that builds code quickly and reliably.
- Bytecode Manipulation
 - Perses - Dynamically injects failure/latency at the bytecode level according to principles of chaos engineering.
 - ASM - All-purpose, low-level bytecode manipulation and analysis.
 - Recaf - JVM reverse engineering toolkit, essentially an IDE for Java bytecode.
- CLI
 - Airline - Annotation-based framework for parsing Git-like command-line arguments.
 - 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).
- Code Coverage
 - 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.
- Code Generators
 - FreeBuilder - Automatically generates the Builder pattern.
 - JavaPoet - API to generate source files.
 - Avaje Http Server - Generates Lightweight JAX-RS style http servers using Javalin or Helidon (Nima) SE.
 - Joda-Beans - Small framework that adds queryable properties to Java, enhancing JavaBeans.
 - Telosys - Simple and light code generator available as an Eclipse Plugin and also as a CLI.
 - Bootify ![c - Browser-based Spring Boot app generation with JPA model and REST API.
- Compiler-compiler
 - JavaCC - Parser generator that generates top-down parsers. Allows lexical state switching and permits extended BNF specifications.
- Configuration
 - avaje config - Loads yaml and properties files, supports dynamic configuration, plugins, file-watching and config event listeners.
 - Curator Framework - High-level API for Apache ZooKeeper.
 - ini4j - Provides an API for handling Windows' INI files.
- CSV
 - jackson-dataformat-csv - Jackson extension for reading and writing CSV.
 - opencsv - Simple CSV parser.
- Database
 - Jest - Client for the Elasticsearch REST API.
 - Querydsl - Typesafe unified queries.
- Data Structures
 - HyperMinHash-java - Probabilistic data structure for computing union, intersection, and set cardinality in loglog space.
 - Tape - Lightning-fast, transactional, file-based FIFO.
- Date and Time
 - Jollyday - Determines the holidays for a given year, country/name and eventually state/region.
- Development
 - JavaSymbolSolver - Symbol solver.
- Distributed Applications
 - JGroups - Toolkit for reliable messaging and cluster creation.
 - Quasar - Lightweight threads and actors for the JVM.
- Distribution
 - Boxfuse ![c - Deployment of JVM applications to AWS using the principles of immutable infrastructure.
 - JavaPackager - Maven and Gradle plugin which provides an easy way to package Java applications in native Windows, macOS or GNU/Linux executables, and generate installers for them.
- Financial
 - Parity - Platform for trading venues.
 - Square - Integration with the Square API.
- Formal Verification
 - OpenJML - Translates JML specifications into SMT-LIB format and passes the proof problems implied by the program to backend solvers. (GPL-2.0-only)
- Functional Programming
 - Functional Java - Implements numerous basic and advanced programming abstractions that assist composition-oriented development.
- Game Development
 - JBox2D - Port of the renowned C++ 2D physics engine.
 - Void2D - High-level 2D game engine with built-in physics based on Swing.
- Geospatial
 - ArcGIS Maps SDK for Java ![c - JavaFX library for adding mapping and GIS functionality to desktop apps.
 - H2GIS - Spatial extension of the H2 database. (LGPL-3.0-only)
- High Performance
 - fastutil - Fast and compact type-specific collections.
 - fastutil - Fast and compact type-specific collections.
- IDE
 - IntelliJ IDEA ![c - Supports many JVM languages and provides good options for Android development. The commercial edition targets the enterprise sector.
- Introspection
 - Mirror - Mirror was created to bring light to a simple problem, usually named ReflectionUtil, which is on almost all projects that rely on reflection to do advanced tasks.
- JSON
 - Genson - Powerful and easy-to-use Java-to-JSON conversion library.
 - Jackson-datatype-money - Open-source Jackson module to support JSON serialization and deserialization of JavaMoney data types.
 - fastjson - Very fast processor with no additional dependencies and full data binding.
- JVM and JDK
 - ParparVM - VM with non-blocking, concurrent GC for iOS. (GPL-2.0-only WITH Classpath-exception-2.0)
- Logging
 - OpenTracing Toolbox - Collection of libraries that build on top of OpenTracing and provide extensions and plugins to existing instrumentations.
 - Logback - Robust logging library with interesting configuration options via Groovy.
 - SLF4J - Abstraction layer/simple logging facade.
- Machine Learning
 - Intelligent java - Seamlessly integrate with remote deep learning and language models programmatically.
 - Oryx 2 - Framework for building real-time, large-scale machine learning applications. Includes end-to-end applications for collaborative filtering, classification, regression, and clustering.
- Messaging
 - Deezpatch - Simple, lightweight, and performant dispatch library for decoupling messages (requests and events) and message handlers.
 - Nakadi - Provides a RESTful API on top of Kafka.
- Microservice
 - OpenAI-Java - Java libraries for using OpenAI's GPT-3 API.
 - KeenType - Modernized version of a Java-based implementation of the New Typesetting System, which was heavily based on Donald E. Knuth's original TeX.
- Miscellaneous
 - JCuda - JCuda offers Java bindings for CUDA and CUDA-related libraries.
 - JObfuscator![c - Source code obfuscator.
 - JPad - Snippet runner.
 - Maven Wrapper - Analogue of Gradle Wrapper for Maven, allows building projects without installing maven.
 - JBang - JBang makes it easy to use Java for scripting. It lets you use a single file for
 - JPad - Snippet runner.
- Monitoring
 - Failsafe Actuator - Out of the box monitoring of Failsafe Circuit Breaker in Spring-Boot environment.
 - Jaeger client - Jaeger client.
 - Stagemonitor - Open-source performance monitoring and transaction tracing for JVM apps.
 - Sysmon - Lightweight platform monitoring tool for Java VMs.
- Natural Language Processing
 - LingPipe - Toolkit for tasks ranging from POS tagging to sentiment analysis.
- PaaS
 - AWS Elastic Beanstalk ![c - AWS-based, with support for Tomcat and Jetty.
 - AWS Lambda ![c - Serverless computation.
 - Microsoft Azure ![c - Microsoft's cloud infrastructure.
- PDF
 - Open HTML to PDF - Properly supports modern PDF standards based on flyingsaucer and Apache PDFBox.
 - iText ![c - Creates PDF files programmatically.
- Performance analysis
 - JMH - Harness for building, running, and analysing nano/micro/milli/macro benchmarks written in Java and other languages targeting the JVM. (GPL-2.0 only WITH Classpath-exception-2.0)
- REST Frameworks
 - 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.
 - 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.
 - 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.
- Science
 - JGraphX - Library for visualizing (mainly Swing) and interacting with node-edge graphs.
 - JFreeChart - 2D chart library for Swing, JavaFX and server-side applications. (LGPL-2.1-only)
- Security
 - DependencyCheck - Detects publicly disclosed vulnerabilities contained within a project's dependencies.
 - Kalium - Binding for the Networking and Cryptography (NaCl) library.
 - Keywhiz - System for distributing and managing secrets.
 - OACC - Provides permission-based authorization services.
 - Tink - Provides a simple and misuse-proof API for common cryptographic tasks.
- Serialization
 - PHP Serializer - Serializing objects in the PHP serialization format.
- Testing
 - JMockit - Integration testing, API mocking and faking, and code coverage.
 - JSONAssert - Simplifies testing JSON strings.
 - WireMock - Stubs and mocks web services.
- Utility
 - CRaSH - Provides a shell into a JVM that's running CRaSH. Used by Spring Boot and others. (LGPL-2.1-or-later)
- Version Managers
 - jabba - Java Version Manager inspired by nvm. Supports macOS, Linux and Windows.
- Web Crawling
 - StormCrawler - SDK for building low-latency and scalable web crawlers.
 - StormCrawler - SDK for building low-latency and scalable web crawlers.
- Web Frameworks
 - Firefly - Asynchronous framework for rapid development of high-performance web application.
 - Pippo - Small, highly modularized, Sinatra-like framework.
 - Ninja - Full-stack web framework.
- - ArchUnit - 2.0</kbd> 🟢 Test library for specifying and asserting architecture rules.
 - jMolecules - 2.0</kbd> 🟠 Annotations and interfaces to express design and architecture concepts in code.
 - JMapper - 2.0</kbd> 🔴 Uses byte code manipulation for lightning-fast mapping. Supports annotations and API or XML configuration.
 - MapStruct - over-configuration approach.
 - ModelMapper - 2.0</kbd> 🟠 Intelligent object mapping library that automatically maps objects to each other.
 - Orika - 2.0</kbd> 🔴 JavaBean-mapping framework that recursively copies (among other capabilities) data from one object to another.
 - reMap - 2.0</kbd> 🟢 Lambda and method handle-based mapping which requires code and not annotations if objects have different names.
 - Buck2 - 2.0</kbd> 🟢 Encourages the creation of small, reusable modules consisting of code and resources.
 - bytecode-viewer - 3.0</kbd> 🟢 Java 8 Jar & Android APK reverse engineering suite.
 - cglib - 2.0</kbd> 🔴 Bytecode generation library.
 - Javassist
 - Maker - 2.0</kbd> 🟢 Provides low level bytecode generation.
 - Mixin
 - Caffeine - 2.0</kbd> 🟢 High-performance, near-optimal caching library.
 - jbock
 - JLine
 - Jansi - 2.0</kbd> 🟠 ANSI escape codes to format console output.
 - Text-IO - 2.0</kbd> 🔴 Aids the creation of full console-based applications.
 - Lanterna - 3.0</kbd> 🟢 Easy console text-GUI library, similar to curses.
 - Checkstyle - 2.1</kbd> 🟢 Static analysis of coding conventions and standards.
 - Error Prone - 2.0</kbd> 🟢 Catches common programming mistakes as compile-time errors.
 - Error Prone Support
 - Infer
 - NullAway - time overhead.
 - PMD
 - p3c - 2.0</kbd> 🔴 Provides Alibaba's coding guidelines for PMD, IDEA and Eclipse.
 - SonarJava - 3.0-only)
 - Spoon
 - Spotbugs - 2.1</kbd> 🟢 Static analysis of bytecode to find potential bugs.
 - ADT4J - 3-Clause</kbd> 🔴 JSR-269 code generator for algebraic data types.
 - Auto - 2.0</kbd> 🟢 Generates factory, service, and value classes.
 - Geci - 2.0</kbd> 🟠 Discovers files that need generated code, updates automatically and writes to the source with a convenient API.
 - JHipster - 2.0</kbd> 🟢 Yeoman source code generator for Spring Boot and AngularJS.
 - Record-Builder - 2.0</kbd> 🟢 Companion builder class, withers and templates for Java records.
 - JavaCV
 - centraldogma - 2.0</kbd> 🟢 Highly-available version-controlled service configuration repository based on Git, ZooKeeper and HTTP/2.
 - config
 - Configurate - 2.0</kbd> 🟢 Configuration library with support for various configuration formats and transformations.
 - dotenv - factor configuration library which uses environment-specific files.
 - Externalized Properties - 2.0</kbd> 🟠 Simple, lightweight, yet powerful configuration library which supports resolution of properties from external sources such as files, databases, git repositories, and any custom sources, plus an extensible post-processing/conversion mechanism.
 - Gestalt - 2.0</kbd> 🟢 Gestalt offers a comprehensive solution to the challenges of configuration management. It allows you to source configuration data from multiple inputs, merge them intelligently, and present them in a structured, type-safe manner.
 - LangChain4j - 2.0</kbd> 🟢 Simplifies integration of LLMs with unified APIs and a comprehensive toolbox.
 - MCP Java SDK
 - AWS SDK for Java - 2.0</kbd> 🟠 Provides Java APIs for interacting with Amazon Web Services.
 - Google Cloud Client Libraries - 2.0</kbd> 🟢 Client libraries for accessing Google Cloud services from Java applications.
 - simple-openai
 - EasyEntityToDTO
 - dOOv - 2.0</kbd> 🔴 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.
 - Selma - 2.0</kbd> 🔴 Annotation processor-based bean mapper.
 - JSpecify Package-Info Generator - 2.0</kbd> 🟠 Maven plugin that automatically generates package-info.java files with JSpecify annotations (@NullMarked and @NullUnmarked), helping you manage nullness boundaries in your Java projects without manual boilerplate.
 - RefactorFirst - 2.0</kbd> 🟢 Identifies and prioritizes God Classes and Highly Coupled classes.
 - KAConf - 2.0</kbd> 🔴 Annotation-based configuration system for Java and Kotlin.
 - owner - 3-Clause</kbd> 🟢 Reduces boilerplate of properties.
 - JaCoP - 3.0)
 - FastCSV - optimized, dependency-free and RFC 4180 compliant.
 - uniVocity-parsers - complete parsers. Also comes with parsers for TSV and fixed-width records.
 - Big Queue - 2.0</kbd> 🔴 Fast and persistent queue based on memory-mapped files.
 - Persistent Collection
 - Protobuf
 - RoaringBitmap - 2.0</kbd> 🟢 Fast and efficient compressed bitmap.
 - Wire - 2.0</kbd> 🟢 Clean, lightweight protocol buffers.
 - ArangoDB - 2.0</kbd> 🟢 ArangoDB Java driver.
 - Chronicle Map - 2.0</kbd> 🟢 Efficient, in-memory (opt. persisted to disk), off-heap key-value store.
 - eXist - 2.1</kbd> 🟢 NoSQL document database and application platform.
 - FlexyPool - 2.0</kbd> 🟠 Brings metrics and failover strategies to the most common connection pooling solutions.
 - HikariCP - 2.0</kbd> 🟢 High-performance JDBC connection pool.
 - jetcd - 2.0</kbd> 🔴 Client library for etcd.
 - Jinq
 - Leaf - 2.0</kbd> 🔴 Distributed ID generate service.
 - MariaDB4j - 2.0</kbd> 🟠 Launcher for MariaDB that requires no installation or external dependencies.
 - Modality - 2.0</kbd> 🟢 Lightweight ORM with database reverse engineering features.
 - OpenDJ
 - QueryStream - 2.0</kbd> 🔴 Build JPA Criteria queries using a Stream-like API.
 - QuestDB - 2.0</kbd> 🟢 High-performance SQL database for time series. Supports InfluxDB line protocol, PostgreSQL wire protocol, and REST.
 - Realm - 2.0</kbd> 🟠 Mobile database to run directly inside phones, tablets or wearables.
 - Redisson - 2.0</kbd> 🟢 Allows for distributed and scalable data structures on top of a Redis server.
 - requery - 2.0</kbd> 🟠 Modern, lightweight but powerful object mapping and SQL generator. Easily map to or create databases, or perform queries and updates from any Java-using platform.
 - Speedment - 2.0</kbd> 🔴 Database access library that utilizes Java 8's Stream API for querying.
 - Spring Data JPA MongoDB Expressions - 2.0</kbd> 🟠 Allows you to use MongoDB query language to query your relational database.
 - Xodus - 2.0</kbd> 🟢 Highly concurrent transactional schema-less and ACID-compliant embedded database.
 - CosId - 2.0</kbd> 🟢 Universal, flexible, high-performance distributed ID generator.
 - Apache ShardingSphere - 2.0</kbd> 🟢 Distributed SQL transaction & query engine that allows for data sharding, scaling, encryption, and more on any database.
 - iCal4j - 3-Clause</kbd> 🟢 Parse and build iCalendar 🌎 [RFC 5545](tools.ietf.org/html/rfc5545) data models.
 - ThreeTen-Extra - 3-Clause</kbd> 🟢 Additional date-time classes that complement those in JDK 8.
 - Time4J - 2.1</kbd> 🔴 Advanced date and time library.
 - java-tron - 3.0</kbd> 🟢 Implementation of the Tron Protocol, whic utilizes blockchains to develop decentralized applications.
 - Feather - lightweight, JSR-330-compliant dependency injection library.
 - Governator - 2.0</kbd> 🟠 Extensions and utilities that enhance Google Guice.
 - Guice - 2.0</kbd> 🟢 Lightweight and opinionated framework that completes Dagger.
 - JayWire - 3.0-only)
 - Faux Pas
 - HotswapAgent - 2.0</kbd> 🟠 Unlimited runtime class and resource redefinition.
 - JavaParser
 - Manifold - 2.0</kbd> 🟢 Re-energizes Java with powerful features like type-safe metaprogramming, structural typing and extension methods.
 - SneakyThrow
 - Dropwizard Circuit Breaker - 2.0</kbd> 🟠 Circuit breaker design pattern for Dropwizard.
 - Failsafe - 2.0</kbd> 🟠 Simple failure handling with retries and circuit breakers.
 - Hazelcast - memory datagrid with a free open-source version.
 - resilience4j - 2.0</kbd> 🟢 Functional fault tolerance library.
 - OpenIG - performance reverse proxy server with specialized session management and credential replay functionality.
 - ScaleCube Services - 2.0</kbd> 🟢 Embeddable Cluster-Membership library based on SWIM and gossip protocol.
 - Zuul - 2.0</kbd> 🟢 Gateway service that provides dynamic routing, monitoring, resiliency, security, and more.
 - Seata - 2.0</kbd> 🟢 Delivers high performance and easy to use distributed transaction services under a microservices architecture.
 - Artipie
 - Capsule - 1.0</kbd> 🔴 Simple and powerful packaging and deployment. A fat JAR on steroids, or a "Docker for Java" that supports JVM-optimized containers.
 - Getdown - user computers and keeping them up to date. Developed as an alternative to Java Web Start.

Programming Languages

Java 620 Kotlin 10 HTML 9 Rust 5 C++ 5 Go 4 Python 3 TypeScript 3 Scala 3 C 2

fucking-awesome-java

Projects

Build

Bytecode Manipulation

CLI

Code Coverage

Code Generators

Compiler-compiler

Configuration

CSV

Database

Data Structures

Date and Time

Development

Distributed Applications

Distribution

Financial

Formal Verification

Functional Programming

Game Development

Geospatial

High Performance

IDE

Introspection

JSON

JVM and JDK

Logging

Machine Learning

Messaging

Microservice

Miscellaneous

Monitoring

Natural Language Processing

PaaS

PDF

Performance analysis

REST Frameworks

Science

Security

Serialization

Testing

Utility

Version Managers

Web Crawling

Web Frameworks