Crabgrass is social networking, group collaboration, and network organizing Web application. It consists of a solid suite of group collaboration tools such as private wikis, task lists, a file repository, and decision making tools. Work is currently being done on a large user interface overhaul, better social networking tools, blogs, and event calendars, as well as better support for collaboration and decision making among independent groups.
tilswiki is a wiki engine that is always in edit mode. Any user can always click in the content area and start typing. Its intention is to be the radically easiest possible publishing tool. Its feature include basic text formatting, image uploading, resizing, and positioning, HTML, security through unguessable page URLs, customizable page URLs, and email notification on changes.
redBorder IPS is a high performance intrusion prevention system based on Snort running on top of a clustered pf_ring with specific enhancements. A Web management interface is provided to control a large number of such devices, including snort and device configuration, rule management, SNMP monitoring, user roles, and multi-domain support.
Mwamko provides Web-based and command line utilities to delegate OpenVZ virtual environments to people. The Web interface lets a user register, create, stop, start, and destroy personal virtual environments. Mwamko also allocates IP addresses to the dynamic set of virtual environments.
OgOg.org is a Web application and site. On OgOg.org, you can rate RSS posts and receive good rankings and extra voting power when your own posts are rated as being good. You can carry your user-ranking and voting power over to other sites via OgOg's API (and your OpenID). OgOg attempts to be a useful hub in the sifting and ranking of blog posts.