The OpenWrt router OS includes features you won't find with over-the-counter home routers – and you can use it on old hardware that the vendor has abandoned.

FreeFileSync and Syncthing let you keep your files in sync between two computers on your local network or across the Internet.

Universal Media Server lets you stream your entire media library to any device in your home with minimal configuration.

With bandwhich, you can quickly see the current network load on your computer.

The iftop utility looks simple, but this versatile tool can provide a wealth of network monitoring information.

The legacy Tcpdump is a tool no admin would want to do without, but it is a bit long in the tooth. The eBPF-based Ptcpdump aims to counter this worry. The rewrite offers extensive CLI compatibility and can even display process information.

Leverage the Tor network to keep file access anonymous.

LocalSend lets you quickly and conveniently exchange data between devices on the same wireless network without the need for cables.

Put your backup server to sleep when you don't need it and then wake it on demand using the Wake-on-LAN feature built into network adapters.

Combining your network adapters can speed up network performance – but a little more testing could lead to better choices.