GForge is described as 'This is like your own SourceForge. It has a bug tracker, SCM (svn, CVS, git), forum, document manager, task manager, mailing lists. See http://gforgegroup.com/es/express-as-differences.pdf for a feature matrix' and is an app in the Development category. There are more than 25 alternatives to GForge for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Mac, Linux and SaaS. The best alternative is GitHub, which is free. Other great apps like GForge are Bitbucket (Freemium), Redmine (Free, Open Source), SourceForge (Free) and JIRA (Paid).
Free: Open source with Apache license. No plans. No limits. You can install it in your own servers. Flexible: You have the complete source code in Java, based in OpenXava framework. So hiding features or adding new ones is extremely fast and easy.
A powerful, affordable, lean Kanban board to keep your planning simple and team members engaged. Can be used as a task manager or an idea validation funnel. Support for blockchaining tasks is in the works.