VisualVM is an All-in-One Java Troubleshooting Tool
Kotlin wrappers for popular JavaScript libraries
The Enterprise-ready testing and specification framework
Enables in-process caching of secrets for Java applications
PDFsam, a desktop application to split, merge, mix, rotate PDF files
A Minecraft plugin API
Advanced manager and monitor for Apache Tomcat
Enhancing Java Stream API
The modern Essentials suite for Spigot and Paper
Replacement for the Java date and time classes prior to Java SE 8
Exposing the JDK Flight Recorder as a Spring Boot Actuator Endpoint
A Python 3 implementation built on GraalVM
Console-based JVM monitoring tool
Manifold is a Java compiler plugin, features include Metaprogramming
Object-functional library that runs with Java 8+
A Java to iOS Objective-C translation tool and runtime
An extremely easy way to perform background processing in Java
Apache InLong - a one-stop integration framework for massive data
I2P is an anonymizing network to securely communicate
TCP/HTTP/UDP/QUIC client/server with Reactor over Netty
Development tool to help programmers write standard Java code
Helps Java developers to easily consume and process log files from AWS
Maven/Gradle alternative with a twist: its a single Java file
Apache Log4j 2 is a versatile, feature-rich, efficient logging API
A reverse engineering suite (decompiler, editor, debugger and more)