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RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
Desktop/Android/HTML5/iOS Java game development framework
GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
IntelliJ IDEA & IntelliJ Platform
A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)
Most popular Mocking framework for unit tests written in Java
Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.
A barebones WebSocket client and server implementation written in 100% Java.
A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.
JetBrains theme of Material Theme
Asynchronous Http and WebSocket Client library for Java
LWJGL is a Java library that enables cross-platform access to popular native APIs useful in the development of graphics (OpenGL, Vulkan, bgfx), audio (OpenAL, Opus), parallel computing (OpenCL, CUD…
Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, R…
Reactive Streams Specification for the JVM
H2 is an embeddable RDBMS written in Java.
[Unmaintained] Open source two-factor authentication for Android
Java annotation processor to create immutable objects and builders, for records too. Sweep boilerplate code under the rug!
Simple Binary Encoding (SBE) - High Performance Message Codec
Compiles Java bytecode to JavaScript, WebAssembly and C
Fluent testing assertions for Java and the JVM
CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX conversion modules.
JeroMQ is a pure Java implementation of the ZeroMQ messaging library, offering high-performance asynchronous messaging for distributed or concurrent applications.