Open content
From K12 Open Ed Wiki
Clipart
Photos
- Wikimedia Commons
- The Open Photo Project
- Image*After
- morgueFile
- Stock.XCHNG
- Flickr
- NASA
- Library of Congress
Maps
Video and animation
- Wikimedia Commons
- NASA's Earth Observatory (lets you build your own custom animations)
- Internet Archive
- Tree of Life (some content is not open licensed)
Music
- ccMixter
- Wikimedia Commons music
- Internet Archive (wide variety of stuff here, not all open)
- Partners in Rhyme
- MusOpen
Spoken word
- Spoken Wikipedia
- Library of Congress
- Voice of America
- Internet Archive (wide variety of stuff here, not all copyleft)
Sound Effects
- The Freesound Project
- Partners in Rhyme
- US Fish and Wildlife Service (animal sounds)
Search engines for other copyleft content
