Open source. Open possibilities.

Sa-Token is an open-source Java authentication framework offering login, permission validation, distributed sessions, gateway auth, SSO, OAuth2.0, JWT, API Key signing, with out-of-the-box support for SpringBoot and Solon.

Official Docker images for Eclipse GlassFish, a Java EE application server. Provides versioned Dockerfiles with GlassFish 7 recommended for containerized deployment.

Stirling PDF is an open-source PDF platform for editing, signing, converting, and automating PDFs locally or on your own servers—no external services required.

A reference Spring Boot 4 service on Kubernetes demonstrating production patterns, including Carvel deployment, Prometheus metrics, Actuator probes, and a hardened CI/CD pipeline with security scanning and image signing.

Arthas is Alibaba's open-source Java diagnostic tool that lets developers troubleshoot production JVM issues without modifying code or restarting servers, offering commands for class inspection, decompilation, method tracing, monitoring, profiling and a web console.

CacheCloud is Sohu Video's open-source Redis cloud management platform, supporting Standalone, Sentinel, and Cluster architectures, with functions including rapid setup and migration, operations management, elastic scaling, statistics monitoring, and client integration to reduce large-scale Redis operation costs and improve resource utilization.

JavaCV provides Java wrappers for OpenCV, FFmpeg, and other computer vision libraries via JavaCPP Presets. It enables image processing, video capture/recording, face detection, and camera calibration on Java and Android with hardware-accelerated display.

OwnChat is a self-hosted desktop chat application built with Java Swing and sockets, using Oracle Database for storage. It supports account creation, contacts, real-time messaging, chat history, themes, and online status tracking.

SmartTube is a free, open-source media client for Android TVs and TV boxes. It features SponsorBlock integration, 8K/60fps playback, HDR support, and does not require Google Services.

mall is a complete open-source e-commerce system based on Spring Boot + MyBatis, featuring front-end store and back-end management, Docker deployment support, along with learning tutorials, microservices version, and front-end projects.