mastodon.gamedev.place is one of the many independent Mastodon servers you can use to participate in the fediverse.
Mastodon server focused on game development and related topics.

Server stats:

5.4K
active users

I created an app that allows you to find people from other Mastodon instances based on hashtags you both like.

bitbra.in/tootpal

bitbra.intootpal
〽️ɪɢᴜᴇʟ

It's still a bit buggy, I hacked it together in an hour - but it gets the job done.