Dillinger. It's open source, so you can also run it locally or on your own server. It's also a web-app, so it's cross-platform, too, of course. http://dillinger

Dillinger. It's open source, so you can also run it locally or on your own server. It's also a web-app, so it's cross-platform, too, of course. http://dillinger.io/ http://dillinger.io/