The Jakarta Project creates and maintains open source solutions in Java. Major contributions by the Jakarta Project include tools, libraries and frameworks such as:
- Ant - a build tool
- Maven - a project build tool
- OJB
- Slide
- Struts
- Tomcat - a JSP/Servlet container
- Torque
- Turbine
- Velocity - a template engine
- POI - a pure Java port of Microsoft's popular file formats.