Open Source

BCEL - Byte Code Engineering Library [ByteCode Tools]
The Byte Code Engineering Library is intended to give users a convenient possibility to analyze, create, and manipulate (binary) Java class files (those ending with .class). Classe...
JCS - Java Caching System [Cache Tools]
JCS is a distributed caching system written in java. It is intended to speed up applications by providing a means to manage cached data of various dynamic natures. Like any caching...
JasperReports [Charting & Reporting]
JasperReports is the leading open source reporting engine. JasperReports is a powerful open source Java reporting tool that has the ability to deliver rich content onto the screen,...
Pentaho BI Project [Charting & Reporting]
The Pentaho BI Project provides enterprise-class reporting, analysis, dashboard, data mining and workflow capabilities that help organizations operate more efficiently and effectiv...
JFreeChart [Charting & Reporting]
JFreeChart is a free 100% Java chart library that makes it easy for developers to display professional quality charts in their applications. JFreeChart's extensive feature set incl...
OpenReports [Charting & Reporting]
OpenReports is a powerful, flexible, and easy to use open source web reporting solution that provides browser based, parameter driven, dynamic report generation and flexible report...
InfoGlue Content Management System [CMS-Content Management Systems]
InfoGlue is an advanced, scalable and robust content management / Portal platform written in 100% Java. It is suitable for a wide range of applications and organisations. Typical u...
OpenCms - professional content management [CMS-Content Management Systems]
OpenCms from Alkacon Software is a professional, easy to use website content management system . OpenCms helps content managers worldwide to create and maintain beautiful websites ...
DSpace [CMS-Content Management Systems]
DSpace is one of the first open source software platforms to store, manage and distribute its collections in digital format. As much of the world's content is now being developed a...
FindBugs [Code Analyzers]
FindBugs, a program which uses static analysis to look for bugs in Java code. It is free software, distributed under the terms of the Lesser GNU Public License. The name FindBugs™ ...