free/open source wiki supporting not only text and links but more structured data. Users can evolve the data structure over time through their regular use.
1.1
GPL, version 2
Skype
in 228 toolboxes Free/cheap Internet telephony and handy IM tool.
pbwiki
in 32 toolboxes Free hosted wiki software
Mac OS X
in 68 toolboxes Apple's desktop operating system.
Adium
in 62 toolboxes Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
Wikipedia
in 131 toolboxes Wikipedia is a global and multilingual Web-based cooperative free-content encyclopedia.
