Fast.com - Quickly test your internet speed with this fast-loading speed test powered by Netflix.
Speediness - Quickly check your internet connection speed.
LibreSpeed - Self-hosted Speedtest for HTML5. Easy setup, examples, configurable, mobile friendly.
Speedy - Speedy lets you perform fast, private and real-world accurate speedtests directly from your Menubar through Apple's servers.
speedtest-cli - Test your download speed using SpeedTest on the command-line
iLend - Keep track of the things you lend and borrow.