Working on a chat project for Unity where the server can be deployed on your Google Drive. Its on a quite advanced stage, I think Im gonna have more news soon. Full demo/example Im planning to include. Is already functional, Im working on polishing, tweaks and some extra features. The next step is to work on scalability: right now each deployment can hold up to 30 simultaneous connections (total concurrent users would be more than that, but I still want to keep 30 as hard reference). My plan is to have multiple server deployments that connect to the same data, but I need to do some more R&D and more tests on concurrency. The idea is to have a quick, simple and self hosted chat solution for game protoypes, and maybe final games as well. I'll try to keep news updated through Twitter.