phpList is the world's most popular open source email campaign manager. It's a one-way email announcement delivery system that's great for newsletters, publicity lists, notifications, and many other uses. It has a web interface lets you write and send messages, and manage phplist over the internet.

Concrete5 makes it easy for anyone to run a website with minimal technical skills. Go to any page in your site, and a editing toolbar gives you all the controls you need to update your website. No intimidating manuals, no complicated administration interfaces - just point and click.

IMPORTANT: the PreojectPier project has ended and this appliance is now deprecated. v14.1 is the final release and will be removed in the next release cycle.

ProjectPier is an application for managing tasks, projects and teams through an intuitive web interface. Its focus is to enable project management by facilitating group communication and help your organization communicate, collaborate and get things done. It is similar in functionality to commercial groupware/project management products.

Ushahidi (Swahili for "testimony" or "witness") is a crowdsourcing application created in the aftermath of Kenya's disputed 2007 presidential election that enables local observers to submit reports using their mobile phones or the internet, while simultaneously creating a temporal and geospatial archive of events.