New Java Libraries 2026

last commit 2 days ago randgalt/record-builder 922

added 1 day ago

Record builder generator for Java records

Java Utilities

last commit 2 days ago bytecodealliance/endive 160

added 1 day ago

A JVM native WebAssembly runtime

Java WASM Libraries Runtimes

last commit 2 weeks ago automq/automq 9K

added 1 week ago

AutoMQ runs Kafka directly on S3. 100% Kafka compatible with sub-10ms P99 latency, infinite storage, and elastic scaling without over-provisioning.

Java Kafka Libraries

last commit 1 day ago square/wire 4K +1

added 1 week ago

gRPC and protocol buffers for Android, Kotlin, Swift and Java.

Java Protobuf Libraries Kotlin Protobuf Libraries Android Protobuf Libraries Swift Protobuf Libraries

last commit 2 weeks ago jobrunr/javaclaw 664

added 1 week ago

JavaClaw is a Java-based personal AI assistant that runs on your own devices

Java AI / ML Libraries

last commit 3 weeks ago dreamhead/moco 4K +1

added 2 months ago

Moco is an easy setup stub framework.

Java Testing Libraries Mocking Libraries

last commit 1 month ago discord-jda/jda 4K -2

added 2 months ago

Implement Discord bots using the real-time gateway and REST API.

Java Chat Libraries Discord Libraries

last commit 3 weeks ago objectbox/objectbox-java 4K -1

added 2 months ago

A lightweight yet powerful on-device database & vector database designed specifically for Java and Kotlin applications.

Java Databases Kotlin Databases Android Databases

last commit 1 day ago oracle/opengrok 4K +16

added 2 months ago

A fast and usable source code search and cross reference engine, written in Java.

Java Code Analysis Tools

last commit 5 days ago chewiebug/gcviewer 4K

added 2 months ago

GCViewer is a little tool that visualizes verbose GC output generated by Sun / Oracle, IBM, HP and BEA Java Virtual Machines

Java Optimization Tools

last commit 5 months ago netflix/ribbon 4K -2

added 2 months ago

RPC library with built in load balancing and fault-tolerance.

Java Networking Libraries

last commit 2 months ago hectorvent/floci 1K

added 2 months ago

A free, open-source local AWS emulator. No account. No feature gates. Just docker compose up.

Java AWS Libraries

last commit 1 month ago almasb/fxgl 4K +6

added 3 months ago

JavaFX game engine designed to simplify the creation of games and other applications using Java and Kotlin

Java Game Engines Kotlin Game Engines

last commit 1 week ago stleary/json-java 4K -1

added 3 months ago

A reference implementation of a JSON package in Java.

Java JSON Libraries

last commit 2 months ago houbb/sensitive-word 5K +26

added 3 months ago

A high-performance sensitive word tool based on the DFA algorithm.

Java NLP Libraries