Floobits

Floobits offers collaborative, real-time editing and chat but its limited to its own in-browser editor and via add-ons for multiple editors including Sublime Text, Atom, Neovim, Emacs, and IntelliJ IDEA. It doesn't offer Visual Studio code editing feature. Along with granular permission, Floobits offers service for multiple user to collaborate at once. If you are looking for a service to set up public and private workspaces, share terminals, synchronize work directories without using an editor, and use WebRTC and IRC to video chat and text chat with your teammates, Floobits is your ally. The software is free but is limited to 5 public workspaces. The private workspace is chargeable.