1. TinyMCE
  2. CKEditor
    1. Should be easy to integrate - have ff plugin
    2. FF plugin
    3. Demo
  3. Xinha
    1. Looks like will be easy to integrate into xul, have ff plugin based on it
    2. Demo
    3. FF plugin:
  4. SPAW Editor
    1. Not free (or maybe it is need to check license).
    2. Demo
  5. WYMEditor
    1. Produce W3C compliant code
    2. Demo
    3. Not allow all features of WYSIWYG
  6. openwysiwyg
    1. Relatively popular
    2. Demo
  7. markItUp
    1. Looks to simple
    2. Demo
  8. XStandard
    1. Not free
    2. As not free product they could provide additional functionality
    3. On site they say that produced code is W3C compliant
    4. Need to install something to make it available
      1. Install link (choose XStandard Pro or light)
      2. Demo
    5. Site
  9. InnovaStudio
    1. Commertial
    2. Looks user friendly
    3. Demo
  10. Whizzywig
    1. Looks too primitive
    2. Demo
  11. YUI Editor
    1. Looks primitive
    2. Should have good API and easily customizable (Provided by Yahoo)
    3. Demo
  12. Standalone editors
    1. In theory we could use standalone editors and call dlls to operate them.
    2. No guarantee that it will work
    3. More abilities
    4. Could be faster
    5. More heavyweight
    6. Could increase plugin size a lot
    7. Interaction will be much more complex
  13. HTMLBox
    1. Demo