• Wikibooks, collection of open-content textbooks
  Wikibooks is a collection of free, open-content textbooks that you can edit.
  bold books cookbook dreaming guitar help history human latex lucid main page physiology undp-apdip
  in Educational with free open-content textbooks web wikibooks by 41 users
• Amarok - rediscover your music
  Amarok is a very nice media-player for KDE. It can also be used with Gnome and gstreamer. Amarok has some very advanced playlist and music collection management tools.
  in Computing > Linux with amarok gnome gstreamer linux music open-content open-source player by 5 users
• Topology
  Wikibooks, collection of open-content textbooks
  analysis bases basic comb compactness completeness completion concepts connectedness continuity real set space theory topology
  in Educational > Mathematics > Ideas/Explanations/Wiki or Mathworld lookups with collection educational mathematics open-content textbooks wikibooks

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