Symja - Java computer algebra language & symbolic math library
Jainja is a JVM (Java Virtual Machine) written in Java
Terminal text colorizing and simplifies script coding.
The open sourced NetRexx reference implementation
A free COBOL compiler
Powerful desktop search app for Windows, Linux and Mac
SMSD is a Java based software library for calculating MCS.
LCARS widget toolkit for the Java platform
Java Bytecode Viewer & Decompiler
Free data acquisition and data visualization cross-platform software
Seedlet is a source-code-embedded snap-on GUI for java applications.
The DjVu complete solution,with OCR Technology(Arabic ,English).
Java Internet Prolog (Moved to GitHub)
VMR - machine learning library
jchart2d is a real-time charting library written in java.