Floobits - Floobits brings real-time collaborative editing to text editors, IDEs, and now Atom.
Edit - Edit any website, no code required
codebunk - Realtime Collaborative Editor with Code Execution, REPLs and Chat
Flycode - FlyCode (YC S22) makes web apps editable without coding so companies can iterate and release products faster - helping teams edit copy, images, and links in the code so their developers don’t have to.
coderpad - Collaborative code editor with in-browser, real-time execution. Conduct programming phone screens like a boss.
Remote Browser Embed - RemoteHQ’s Remote Browser is a secure and ephemeral browser running in the cloud.