• Amy Editor
  A Collaborative Text and Source Code Editor for Developers
  in Software > tools with code collaborative editor source by 2 users
• Bespin » Code in the Cloud
  Bespin is a Mozilla Labs experiment on how to build an extensible Web code editor using HTML 5 technology.
  in Software > tools with editor mozilla web-based by 2 users
• EditShare Lightworks
  Academy® and Emmy® award-winning Lightworks was introduced in 1989 as the first and most advanced non-linear editing system on the market. to be made available as Open Source.
  in Software > tools with editor opensource video
• LyX | LyX – The Document Processor
  LyX is a document processor that encourages an approach to writing based on the structure of your documents (WYSIWYM) and not simply their appearance (WYSIWYG). LyX combines the power and flexibility of TeX/LaTeX with the ease of use of a graphical interface. This results in world-class support for creation of mathematical content (via a fully integrated equation editor) and structured documents like academic articles, theses, and books.
  in Software > tools with editor mathematics processor
• OpenShot Video Editor
  non-linear video editor for Linux
  in Software > tools with editor linux video by 3 users
• SUMO Paint
  Online Image Editor
  in Web with editor flash image online web-based by 3 users
• TextFlow
  TextFlow is the only collaborative tool that allows concurrent work.
  in Web with collaborative concurrency editor tool
• zen-coding
  Zen Coding is an editor plugin for high-speed HTML, XML, XSL (or any other structured code format) coding and editing. The core of this plugin is a powerful abbreviation engine which allows you to expand expressions—similar to CSS selectors—into HTML code.
  in Software > tools with abbreviation editor engine html markup opensource by 2 users

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