One of the things that dogs a lot of agencies is confidentiality. We often work with companies that are chasing very secretive initiatives and we are expressly forbidden from using anything that would put prospective designs on a server not controlled either by them or by our own IT department. This, as you can imagine, is incredibly constraining in terms of the tools we are allowed to use.

Wishlist: everything you’re describing, but to allow for it to be self-hosted.