iText for Java represents the next level of SDKs for developers
An in-memory file system for Java 8+
A Java library for technical analysis
Object-functional library that runs with Java 8+
Apache Log4j 2 is a versatile, feature-rich, efficient logging API
Maven/Gradle alternative with a twist: its a single Java file
Free database schema discovery and comprehension tool
Console-based JVM monitoring tool
I2P is an anonymizing network to securely communicate
A fast Java JSON schema validator that supports draft V4, V6, V7, V201
Ansible Role - Jenkins CI
Advanced manager and monitor for Apache Tomcat
JSON implementation for Ruby
Framework to interpret and transpile JVM bytecode to JavaScript
A comprehensive Java library for client- and server-side SSH
Apache InLong - a one-stop integration framework for massive data
Thymeleaf is a modern server-side Java template engine for web
Vaadin 6, 7, 8 is a Java framework for modern Java web applications
pure java git solution
OneinStack - A PHP/JAVA Deployment Tool
Reactive Extensions for the JVM
A Minecraft plugin API
Efficient UDP unicast, UDP multicast, and IPC message transport
Prometheus instrumentation library for JVM applications
Manifold is a Java compiler plugin, features include Metaprogramming