For an introductory tutorial on how to use Jenkins
A barebones WebSocket client and server implementation
Testcontainers is a Java library that supports JUnit tests
Simple Binary Encoding (SBE) - High Performance Message Codec
App observability facade for the most popular observability tools
Mirror of Apache Struts
Simple library for building production-ready RESTful web services
Applications with modular architecture
The official AWS X-Ray Recorder SDK for Java
The OWASP ZAP core project
Light-weight workflow and business process management pltaform
Java/JavaFX/Kotlin Game Library (Engine)
Java enterprise application development framework
The official AWS X-Ray Auto Instrumentation Agent for Java
Load testing tool for analyzing and measuring performance of services
SQLite JDBC Driver
Comprehensive programming and configuration model for modern apps
Skript is a Bukkit plugin which allows server admins
A scalable web crawler framework for Java
An extensible Java library for HTTP request and response logging
Build great things at any scale
Application for testing Server or Client socket connections (TCP)
Build cross-platform native progressive web apps for iOS and Android
Free and powerful note-taking application