Is there any open source HTML editor like stackoverflow?

Question

I want to set up my technology blog, and I want to install one good html editor for my blog site, which is suitable for codes. I found that the stackoverflow editor is pretty good, I want to know if there is any open source editor?

Answer 1

StackOverflow uses WMD .

Update 2014: WMD is marked obsolete.

Answer 2

• WMD editor with reverse processing
• https://meta.stackexchange.com/questions/36179/whats-the-deal-with-the-wmd-editor