Testcomplete should export code completion information for use in other code text editors, such as Sublime Text 3 or Visual Studio Code. This would allow testers to write more scripts while other tes...
I don't agree that TC's primary function is building and maintaining keyword tests (and checkpoints? really?). There's a lot more functionality there than that, and plenty of other users are taking advantage of scripting and not using keyword tests at all.
Out of curiosity, where do you find these "top 5 use cases"?
Have you asked around on the forums how others handle having more coders than TC instances? There's probably a way to do it already.