The most popular projects on Java LibHunt by number of mentions https://www.libhunt.com/l/java A lightweight, zero-dependency, expressive Java library for pure input assertions. (4 mentions) Fri, 06 Feb 2026 15:57:27 -0800 https://www.libhunt.com/r/pure-assert pure-assert-46025 Java SDK for GitHub Copilot CLI (4 mentions) Thu, 05 Feb 2026 15:57:40 -0800 https://www.libhunt.com/r/copilot-sdk-java copilot-sdk-java-45990 Creates CycloneDX Software Bill of Materials (SBOM) from Maven projects (17 mentions) Wed, 04 Feb 2026 14:57:09 -0800 https://www.libhunt.com/r/cyclonedx-maven-plugin cyclonedx-maven-plugin-45966 OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3) (261 mentions) Sat, 31 Jan 2026 20:57:25 -0800 https://www.libhunt.com/r/openapi-generator openapi-generator-45878 Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data. (501 mentions) Sat, 31 Jan 2026 05:57:26 -0800 https://www.libhunt.com/r/cryptomator cryptomator-45866 An Application Framework for AI Engineering (12 mentions) Fri, 30 Jan 2026 20:57:39 -0800 https://www.libhunt.com/r/spring-ai spring-ai-45862 Created this repo to host the example codes I mentioned in my personal blog (6 mentions) Mon, 26 Jan 2026 01:57:11 -0800 https://www.libhunt.com/r/blog-code-examples blog-code-examples-45744 Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more. (109 mentions) Sat, 24 Jan 2026 16:57:22 -0800 https://www.libhunt.com/r/manifold manifold-45715 Java Scientific Computing Library - Signal Processing, FFT, Filters, PSD, DCT, SciPy-like APIs for JVM & Android used in Machine Learning and Data Science. (4 mentions) Sat, 24 Jan 2026 12:57:32 -0800 https://www.libhunt.com/r/jscipy jscipy-45708 Distributed Peer-to-Peer Web Search Engine and Intranet Search Appliance (123 mentions) Fri, 23 Jan 2026 06:57:26 -0800 https://www.libhunt.com/r/yacy_search_server yacy_search_server-45687 Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues. (94 mentions) Thu, 22 Jan 2026 12:57:11 -0800 https://www.libhunt.com/r/debezium debezium-45671 Emissary is simple, yet 🗲FAST🗲 messaging library for decoupling messages (requests and events) and message handlers 🚀 (7 mentions) Thu, 22 Jan 2026 10:57:09 -0800 https://www.libhunt.com/r/joel-jeremy/emissary emissary-45670 Lightning fast, open-source, < 250kb Android launcher (16 mentions) Wed, 21 Jan 2026 07:57:12 -0800 https://www.libhunt.com/r/KISS KISS-45649 Arduino IDE 1.x (151 mentions) Wed, 21 Jan 2026 07:57:12 -0800 https://www.libhunt.com/r/arduino/Arduino Arduino-45648 Linux CLI Launcher for Android (9 mentions) Tue, 20 Jan 2026 05:57:19 -0800 https://www.libhunt.com/r/TUI-ConsoleLauncher TUI-ConsoleLauncher-45628 A libre lightweight streaming front-end for Android. (2080 mentions) Sun, 18 Jan 2026 19:57:20 -0800 https://www.libhunt.com/r/NewPipe NewPipe-45599 Git Server with CI/CD, Kanban, and Packages. Seamless integration. Unparalleled experience. (93 mentions) Sun, 18 Jan 2026 01:57:22 -0800 https://www.libhunt.com/r/onedev onedev-45580 LangChain4j is an open-source Java library that simplifies the integration of LLMs into Java applications through a unified API, providing access to popular LLMs and vector databases. It makes implementing RAG, tool calling (including support for MCP), and agents easy. LangChain4j integrates seamlessly with various enterprise Java frameworks. (26 mentions) Sat, 17 Jan 2026 20:57:07 -0800 https://www.libhunt.com/r/langchain4j langchain4j-45572 JBang examples to get started with Pi4J V2 (3 mentions) Fri, 16 Jan 2026 08:57:09 -0800 https://www.libhunt.com/r/pi4j-jbang pi4j-jbang-45549 Java Backend Coding Technology (3 mentions) Wed, 14 Jan 2026 04:57:26 -0800 https://www.libhunt.com/r/coding-technology coding-technology-45488