Hosted in the EU, no chance of it getting sold to some company that would monetize it. Also there is less chance it will disappear because it is managed by a team of people.
Fully open source, no subscription plans. Every available feature is provided for free and every new feature with each update will be free as well, forever.
Codeberg is community driven and managed by a non-profit organization based in Berlin, Germany. The servers are also managed by them. In conclusion, your privacy and source code is protected!