I made a real-time collaborative editor which could be used for pair programming while discussing, questions. It also runs code in 5 languages, C++ Java, Javascript, Python and Go.
It also contains all the free questions scrapped from leetcode.
Website: https://caucus-app.herokuapp.com
Client Code: https://github.com/Rishabh-malhotraa/caucus
Server Code: https://github.com/Rishabh-malhotraa/caucus-server
Any feedback is welcome.
If you like the project please consider giving the repo a star on Github. Cheers.