tinylog is a lightweight logging framework for Java, Kotlin, Scala
Distributed tracing without code changes
An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client
Spring Batch is a framework for writing batch applications using Java
Identity & Single Sign On for all earthlings and beyond
Roaring bitmaps in Go (golang)
Framework to interpret and transpile JVM bytecode to JavaScript
A fast, lightweight and more productive microservices framework
Simple Binary Encoding (SBE) - High Performance Message Codec
TestNG testing framework
Web-based SSH console that centrally manages administrative access
A Spring Framework application based on JSP, Spring MVC
The Enterprise-ready testing and specification framework
Pure Java annotation, single class file, rapid development
Yet Another Validation for Java
True object-oriented Java web framework without NULLs
Eclipse Collections is a collections framework for Java
Socket.IO server implemented on Java
Vaadin 6, 7, 8 is a Java framework for modern Java web applications
Micronaut Application Framework
Apache Shiro
Framework on top of spring-boot that helps create back-ends
A scalable web crawler framework for Java
Cross-platform framework for building truly native mobile apps
A blazing fast multi-language serialization framework