Ace is gradually gaining full IDE features like syntax checking, split views, and responsive behaviours such as auto-brace/bracket/parens insertion. If you wan

Ace is gradually gaining full IDE features like syntax checking, split views, and responsive behaviours such as auto-brace/bracket/parens insertion. If you want an online-only workflow, Cloud9 already offers github as a backend for an Ace powered IDE. I think Ajax.org have hired someone to work on IntelliSense style auto-complete for Cloud9, not sure if those will be suitable to be put into Ace itself.