Just a list of some of my favorite projects and such out there in the world. YMMV, etc...

Some of my favorite net thiiiiiings... (https://youtu.be)

Replacements for commercial/sucky things

LibreLingo - Open project to create something similar to DuoLingo, but open contribution and federated.

https://librelingo.app/ (https://librelingo.app)

Mastodon - Open source twitter mostly-clone. Pretty excellent stuff.

https://mastodon.social/ (https://mastodon.social)

Nitter - A more privacy dedicated front-end to twitter. Very nice.

https://nitter.net/ (https://nitter.net)

Invidious - Not really a replacement, more of a front-end, but still considerably better than youtube itself.

http://invidio.us/ (http://invidio.us)

Funkwhale - Decentralized music streaming. Upload your collection and listen anywhere, share, etc... Replacement for Soundcloud.

https://funkwhale.audio/ (https://funkwhale.audio)

PixelFed - Very similar to instagram, except open-source and federated (via ActivityPub).

https://pixelfed.social/ (https://pixelfed.social)

Minetest - Open source game very similar to minecraft but designed for modding. Lots of addable things.

https://www.minetest.net/ (https://www.minetest.net)