ContentTools - A small & beautiful WYSIWYG editor for HTML content.
Markdown by DaringFireball - Text-to-HTML conversion tool/syntax for web writers, by John Gruber
SquareSpace - Squarespace is the easiest way for anyone to create an exceptional website. Pages, galleries, blogs, e-commerce, domains, hosting, analytics, 24/7 support - all included.
txt2tags - It reads a text file with minimal markup such as **bold** and //italic// and converts it to the...
CKEditor - Real-time collaborative future-ready rich text editor
Texy! - Texy! is a lightweight markup language as well as converter of this format to XHTML, in a form of a...