Relevent XKCD: https://xkcd.com/1683/
Relevent XKCD: https://xkcd.com/1683/
Relevent XKCD : https://xkcd.com/743/
Jitsi - Open-source and self-hosted video conference platform. You can even try it directly on their website.
IPFS - A distributed file sharing technology which is wonderful for file or site hosting (edit: wether it is uncensorable is open for debate)
Rust - A programming language and a powerful compiler that creates compiled memory-safe programs and can be used nearly everywhere
Fedora + KDE - A combination of a stable modern OS and a complete desktop environment
Wine - launch Windows programs on the latter
Lemmy
Bonus : AlternativeTo to find good open-source alternative software
Relevent Jake Likes Onions :