5 open source tools to take control of your own data
These are just a few services you can install on any Linux PC or laptop. You need a server that's always on to ensure your services are constantly available. That doesn't necessitate a major investment, though. You can use many kinds of computers as Linux servers. The easiest and most inexpensive is a Raspberry Pi, which has excellent support with a helpful and enthusiastic community.
Getting a Raspberry Pi set up is "as easy as pie," thanks to the Raspberry Pi imager. It only needs about 5W of power, so it doesn't take much energy to keep it running. There are many similar low-powered devices, including the Odroid, Orange Pi, and Rockpi.
You can also install Linux on any PC or laptop and run it as a server. It's a great way to repurpose old computers.