2009
recent snippets - refactory.org
Code snippets wiki
2007
Citizendium
(via)A new wiki encyclopedia which requires people to use their real name and adds a gentle expert oversight.
2006
2005
PlanetMath
by 6 othersPlanetMath is a virtual community which aims to help make mathematical knowledge more accessible. PlanetMath's content is created collaboratively: the main feature is the mathematics encyclopedia with entries written and reviewed by members.
Sensei's Library
by 8 othersLearn how to play go.
This wiki has build its own syntax, which is used by many more wikis now.
1
(14 marks)
