R-tree implementation for Java

Small Java annotation-based event-condition-action rule engine.

XMLfacade is a Java library for XML manipulation. This library builds on top of JAXP and DOM APIs available in Java platform and provides thin layer (facade) for easier XML construction and querying.

Backport of Java 9 CompletableFuture, Flow and SubmissionPublisher API for Java 8

JBurg Maven Plugin

Urin is a free, open source URI generator and parser written in Java.

java symbolic computing library and mathematical editor

Selected BLAS and LAPACK Java bindings for Intel's oneAPI Math Kernel Library (oneMKL)

JSeq is a tool to automatically create UML sequence diagrams. It works by following the execution of a Java program, noting each method entry and exit.

WriteXml is an open source is a library for writing well formed XML written in Java