Gravatar - Gravatar (an abbreviation for globally recognized avatar) is a service for providing...
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
42matters Explorer - Explorer by 42matters is a research tool to visually explore databases of apps, publishers, audiences, SDKs, technologies, contacts and others.
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
GeoPeeker - GeoPeeker is a tool for viewing sites from different geographic solutions.
Tiki Wiki CMS Groupware - Tiki Wiki CMS Groupware, also known as Tiki (or TikiWiki), is a full-featured, web-based, multilingual, all-in-one Free/Libre Open Source Software solution. Tiki can be used to create all kinds of web apps, portals, knowledge bases, intranets, etc.