Stars
RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
a fast, scalable, multi-language and extensible build system
JDK main-line development https://openjdk.org/projects/jdk
GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
High Performance Inter-Thread Messaging Library
A high performance caching library for Java
Most popular Mocking framework for unit tests written in Java
The Java gRPC implementation. HTTP/2 based RPC
Realm is a mobile database: a replacement for SQLite & ORMs
A collection of source code generators for Java.
Resilience4j is a fault tolerance library designed for Java8 and functional programming
A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin
A damn simple library for building production-ready RESTful web services.
Catch common Java mistakes as compile-time errors
✅ The programmer-friendly testing framework for Java and the JVM
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
Micronaut Application Framework
vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.
Reactive Streams Specification for the JVM
Fault tolerance and resilience patterns for the JVM
A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead
SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
Java annotation processor to create immutable objects and builders. Sweeps boilerplate code under the rug since 2013!