Stars
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
Open-source IoT Platform - Device management, data collection, processing and visualization.
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
High Performance Inter-Thread Messaging Library
Vert.x is a tool-kit for building reactive applications on the JVM
🏗 Build container images for your Java applications.
Open-Source Web UI for Apache Kafka Management
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
Resilience4j is a fault tolerance library designed for Java8 and functional programming
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.
🚀 Ultimate Android Reference - Your Road to Become a Better Android Developer
Runtime code generation for the Java virtual machine.
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
Statistical Machine Intelligence & Learning Engine
BTrace - a safe, dynamic tracing tool for the Java platform
Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.
VisualVM is an All-in-One Java Troubleshooting Tool
An uber-fast parallelized Java classpath scanner and module scanner.
Ultra-fast SQL-like queries on Java collections
A platform that makes it easy for developers to build realtime, cost-effective, operations-focused applications
Immutable in-memory R-tree and R*-tree implementations in Java with reactive api
Distributed Stream and Batch Processing
An open source ML system for the end-to-end data science lifecycle