Open Source

Quartz [Job Scheduler]
Quartz is a full-featured, open source job scheduling system that can be integrated with, or used along side virtually any J2EE or J2SE application - from the smallest stand-alone ...
Jakarta Taglibs [JSP Tag Libraries]
Jakarta Taglibs is an open source repository for JSP custom tag libraries. For a general description, please see the official java.sun.com page on JSP(tm) Tag Libraries.
Display tag library [JSP Tag Libraries]
The display tag library is an open source suite of custom tags that provide high-level web presentation patterns which will work in an MVC model. The library provides a significant...
Apache Commons-Logging [Logging Tools]
When writing a library it is very useful to log information. However there are many logging implementations out there, and a library cannot impose the use of a particular one on th...
iBATIS Data Mapper framework [Object-Relational Persistence]
The iBATIS Data Mapper framework makes it easier to use a database with Java and .NET applications. iBATIS couples objects with stored procedures or SQL statements using a XML desc...
Apache Cayenne - Object Relational Mapping, Persistence and Caching [Object-Relational Persistence]
Apache Cayenne is an open source persistence framework licensed under the Apache License, providing object-relational mapping (ORM) and remoting services. With a wealth of unique a...
JavaCC - Java Compiler Compiler [Parser Generators]
Java Compiler Compiler [tm] (JavaCC [tm]) is the most popular parser generator for use with Java [tm] applications. A parser generator is a tool that reads a grammar specification ...
ANTLR - ANother Tool for Language Recognition [Parser Generators]
ANTLR , ANother Tool for Language Recognition, is a language tool that provides a framework for constructing recognizers, interpreters, compilers, and translators from grammatical ...
The NetBeans Profiler Project [Performance analysis]
NetBeans Profiler is a project to provide a full-featured profiling functionality for the NetBeans IDE. The profiling functions include CPU, memory and threads profiling as well as...
c3p0: JDBC DataSources & Resource Pools [Pools & Connection Pools]
c3p0 is an easy-to-use library for augmenting traditional (DriverManager-based) JDBC drivers with JNDI-bindable DataSources, including DataSources that implement Connection and Sta...