Jupiter is a code review plug-in tool for the Eclipse IDE. It is currently under active development, and still in an experimental state. The design of Jupiter involves the following:

Open Source: Jupiter carries an open source license. Free: Jupiter is distributed free of charge. IDE integration: Jupiter is based upon the Eclipse plug-in architecture. Cross-platform: Jupiter is available for all platforms supported by Eclipse. XML data storage: Jupiter stores data in XML format to simplify use and re-use. Sorting and searching: Jupiter provides filters and sorting to facilitate issue review. File integration: Jupiter supports jumping back and forth between reviews and source code.