RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
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A meticulous HTTP client for the JVM, Android, and GraalVM.
A type-safe HTTP client for Android and the JVM
Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
【Java面试+Java学习指南】 一份涵盖大部分Java程序员所需要掌握的核心知识。
👨🎓 Java Core Sprout : basic, concurrent, algorithm
To Be Top Javaer - Java工程师成神之路
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 🚀
一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准二哥的Java进阶之路😄
Vert.x is a tool-kit for building reactive applications on the JVM
Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running math code and a java based math library on top of the core c++ library. Also includes samediff: a pytorch/tensorflow like library for running deep learn...
LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.
Enjoy Learning.
The Community Maintained High Velocity Web Framework For Java and Scala.
🤗 JVM 底层原理最全知识总结
Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.
H2O is an Open Source, Distributed, Fast & Scalable Machine Learning Platform: Deep Learning, Gradient Boosting (GBM) & XGBoost, Random Forest, Generalized Linear Modeling (GLM with Elastic Net), K-Means, PCA, Generalized Additive Models (GAM), RuleFit, Support Vector Machine (SVM), Stacked Ensembles, Automatic Machine Learning (AutoML), etc.
The modern Java bytecode editor
Material design file manager for Android
Asynchronous, non-blocking HTTP & WebSocket client for the JVM
Production-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.
Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps can include as source & avoid adding a dependency. Written in Java, usable from Groovy, Kotlin, Scala, etc.