If you have spare computing power, consider donating some of that to a distributed computing project

Berkeley has this really cool program called BOINC that you can download and donate your computer's resources to processing scientific data. There are a bunch of projects to pick, from working on climate change, to cancer, to the Large Hadron Collider.

The good folks at linuxserver.io even have a ready to go Docker container for easy setup: https://hub.docker.com/r/linuxserver/boinc

Another possibility is running the Archive Team's Warrior, which downloads data from at risk web sites and uploads them to the Internet Archive: https://wiki.archiveteam.org/index.php/ArchiveTeam_Warrior

Does anyone else have examples of projects like this? My dream is for the Fediverse to have this sort of feature eventually.