Atom: A hackable text editor for the 21st Century.
From the webpage:
At GitHub, we’re building the text editor we’ve always wanted. A tool you can customize to do anything, but also use productively on the first day without ever touching a config file. Atom is modern, approachable, and hackable to the core. We can’t wait to see what you build with it.
I can’t imagine anyone improving on Emacs but we might learn something from watching people try. 😉
Some other links of interest:
Support: atom@github.com
Twitter: @AtomEditor
Chat: http://webchat.freenode.net/?channels=##atom
Discuss: http://discuss.atom.io/
Enjoy!