Join this Zulip organization if you are currently doing research in quantum gravity.
There are channels like AdS/CFT, String phenomenology, String field theory, Twistor theory, etc. You can (un)subscribe based on your interests.
Inspired by categorytheory.zulipchat.com and leanprover.zulipchat.com. You can browse these 2 without subscribing. Zulip is an open source alternative to slack that has many useful features such as LaTeX.
Any member can invite others. You can also email kasireddysreemanreddy@gmail.com for an invitation. No need to use an academic email to sign up.