LocalSend for transferring files between devices on a local network.

More self hosting than a program, but Home Assistant has legitimately changed my life. It allows for full home automation run entirely from within your home. The customisation options are effectively as unlimited as programming, while still somewhat holding your hand (unless you go full programming mode).

F-Droid because I hate having ads shoved in my face for daring to use the official installation method for an android app. You may find quite a few apps by smaller development teams or dedicated individuals that suck less than the big apps.

[Lynx](https://en.wikipedia.org/wiki/Lynx_(web_browser) web browser. Not particularly usable for most tasks, but simple. Very handy if you accidentally delete your desktop environment and don't have a second device with internet access.