As nacs said but in other words, CodeMirror is syntax colored and directed code editing (emacs), while ProseMirror is wysiwyg text editing (word).
CodeMirror was started in early 2007. [1] ProseMirror is newer, announced July 7 2015 [2]. You've probably been using CodeMirror but didn't even realize it -- it's ubiquitous!
>CodeMirror is an open-source project shared under an MIT license. It is the editor used in the dev tools for both Firefox and Chrome, Light Table, Adobe Brackets, Bitbucket, and many other projects [3].
Check out the CodeMirror JavaScript, HTML and Markup code folding demo -- who could say no to that? [4]
CodeMirror was started in early 2007. [1] ProseMirror is newer, announced July 7 2015 [2]. You've probably been using CodeMirror but didn't even realize it -- it's ubiquitous!
>CodeMirror is an open-source project shared under an MIT license. It is the editor used in the dev tools for both Firefox and Chrome, Light Table, Adobe Brackets, Bitbucket, and many other projects [3].
Check out the CodeMirror JavaScript, HTML and Markup code folding demo -- who could say no to that? [4]
[1] https://en.wikipedia.org/wiki/CodeMirror
[2] http://marijnhaverbeke.nl/blog/prosemirror.html
[3] https://codemirror.net/doc/realworld.html
[4] http://codemirror.net/demo/folding.html