Open source routing engine for OpenStreetMap
Apache Drill is a distributed MPP query layer for self describing data
linear time regular expression matching in Java
LIXA, LIbre XA, is a free and open source XA transaction manager
Free Lock Manager
Single sided linked list (kind of lib with test-code, C, C++ and java)
An Efficient Binary data Format
Ultra-fast matching engine written in Java based on LMAX Disruptor
The best Java library to work with .Net libraries and frameworks.
Common classes for Java developers needed by most projects.
Group of multi-purpose Java-converted-from-C# parsing libraries.
Utility methods for composing functional lambda expressions
Full JAVA JDBC Interface to MS Access using Jackcess
Better Modularity, Better Concurrency
A single-file extensible template engine
jchart2d is a real-time charting library written in java.
This project now lives at: https://github.com/JDatePicker/JDatePicker
Command Line Argument Parsing Library
Central Software Configuration by Java API and SOAP Service
PAK is a collection of library code to handle the overhead of coding
Offers Random numbers API for your programs written in Java.
JCurses, a java console windowing toolkit for Windows and Linux