Open Source Open Content Encyclopedias

Citizendium

Collegial encyclopedia project set up to enhance accountability in the free encyclopedia field.

Conservapedia

Written by and for those with conservative views and for home schoolers. Founded in November of 2006.

dKosopedia

Political encyclopedia written from a leftist, progressive, liberal, and Democratic point of view.

Everything2.com

Online collection of information, ideas, notes and humor that also accommodates user inputs or submissions.

Memory Alpha

Peer-edited encyclopedia dedicated to Star Trek topics and interests.

Musipedia

Searchable collection of tunes and musical themes that can be openly edited.

Open-Site

Volunteer-run and open content encyclopedia for free access.

PlanetMath

Online encyclopedia and community of mathematical knowledge. Provides collaboratively-created content.

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