Symfony UX initiative: a JavaScript ecosystem for Symfony
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Topic Catalog
Top JAVA GitHub Repositories & Tools (2026)
Discover the most starred and trending open source tools tagged with #java.
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728 matching projects · updated Oct 1, 2026
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SuperDoc - Build AI agents that work with DOCX (DOCX Editor, DOCX Agent SDK)
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Full-stack localization for every framework
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The JVM native WebAssembly runtime
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A networking framework that evolves with your application
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Java library for the Stripe API.
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Swift framework to interact with JavaScript through WebAssembly.
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Nitrogen Web Framework for Erlang (now with websockets!)
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Kroxylicious, the snappy open source proxy for Apache Kafka®
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Open source analytics and market risk library from OpenGamma
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Java SDK for building Kubernetes Operators
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Beanshell scripting language
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An Intuitive Event-Driven Reactive Programming Library for Java
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Eclipse Ditto™: Digital Twin framework of Eclipse IoT - main repository
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Virtual Tabletop for playing roleplaying games with remote players or face to face.
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Helios server
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Egeria core
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Batteries-included backend that works with any stack.
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Mirror of Apache MINA
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