I use gitea.

Edit: remove bitbucket which is not open source.

More like a demo.

You can see it but you can’t use it.

Barrier KDE NeoVim

There are dirt cheap access point (one wifi one ethernet port) that can be used to convert your ISP wifi to ethernet. Use that ethernet as WAN to a router you can manage.

Linkding also has Firefox and Chrome extensions for bookmarking and injector for search engines (Google, DDG, SearX/SearXNG, Brave).