Can you recommend a browser based IDE or programming editor ?
I feel like I've seen lots of these things drift past but when I look at my bookmarks I can only find two : http://cloud9ide.com/ and http://jsfiddle.net/
All languages are of interest (although non-JS particularly so).
I'd like to do a wide survey but don't include tools which are really just collaborative text editing - must be some sort of programming support built in (even if it's as bare bones as syntax colouring)
Thanks
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We've been building WIODE for some time now. Very stable release, easy install, and lots of features - [WIODE Browser Based IDE][1]
[1]: http://www.wiode.com/ "WIODE IDE"
UPDATE: WIODE has been replaced with a new project - Codiad
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shameless plug for our solution, PythonAnywhere, which lets you code and run python apps in a browser... we also offer hosting for web apps, and our web-based console is fully functional, includes Bash for using git/hg/mercurial, Dropbox integration.
You can also code in other languages, although we don't have interpreters for everything, and you can currently only host Python webapps...
Also I recommend you read this article: http://eclipse.dzone.com/news/who-needs-online-ide
It links and describes a lot of them, even more then those mentioned by others here.
edit: most of the ones describe in that article are dead.
Instead check out:
Full fledge IDEs:
And something you can run on your own server: ACE
Actually, it looks like all online full fledged IDEs that I could find actually uses ACE at its core, and just add some nicer GUI over it and cloud support.