

Just about anything as long as you don’t need to serve it to hundreds of people simultaneously. Hell, I once hosted Jellyfin over a 3G hotpot and it managed.
Pretty much any web-based app will work fine. Streaming servers (Emby, Plex, Jellyfin, etc) work fine for a few simultaneous people as long as you’re not trying to push 4K or something. 1080p can work fine at 4 Mbps or less (transcoding is your friend here). Chat servers (Matrix, XMPP, etc) are also a good candidate.
I hosted everything I wanted with 30 Mbps upload before I got symmetric fiber.





































1080p buffered generously but it worked :) The sweet spot was having it transcode to 720p (yay hardware acceleration). I wasn’t sharing it with anyone at the time, so it was just me watching at work on one phone while using my second phone at home for internet.