Stars
Free and Open Source, Distributed, RESTful Search Engine
Netty project - an event-driven asynchronous network application framework
a fast, scalable, multi-language and extensible build system
Desktop/Android/HTML5/iOS Java game development framework
A Java serialization/deserialization library to convert Java Objects into JSON and back
GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
光 HikariCP・A solid, high-performance, JDBC connection pool at last.
A high performance caching library for Java
Vert.x is a tool-kit for building reactive applications on the JVM
Apache Druid: a high performance real-time analytics database.
Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin
Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services
A damn simple library for building production-ready RESTful web services.
Runtime code generation for the Java virtual machine.
Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.
Micronaut Application Framework
Statistical Machine Intelligence & Learning Engine
configuration library for JVM languages using HOCON files
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…
Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter
BitTorrent library and client with DHT, magnet links, encryption and more
Apache Drill is a distributed MPP query layer for self describing data
The modular web framework for Java and Kotlin