These are the servers I am currently in:

- https://theprogrammershangout.com/about

- Discord Gophers: https://discord.gg/ecwK4WcM

- The Coding Den: https://discord.gg/code

- Programming Discussions: https://discord.gg/progdisc

- Denver Devs: https://discord.gg/denver-devs

The löve2D discord is very lövely :) It's THE place to be if you like to move pixels on the screen with a super clean API and a no frills, elegant language.

I really love the Racket discord. Very warm, welcoming, and helpful.

The Rust discord is also a nice place.