SpeedTest by OpenSpeedTest™ is a Free and Open-Source HTML5 Network Performance Estimation Tool Written in Vanilla Javascript and only uses built-in Web APIs like XMLHttpRequest (XHR), HTML, CSS, JS, & SVG. No Third-Party frameworks or libraries are Required. Started in 2011 and moved to OpenSpeedTest.com dedicated Project/Domain Name in 2013.

A dashboard for OpenWrt

NetworkUsage is an Android Studio library to monitor cellular and Wi-Fi data usage easily. It is useful as a real-time internet speed monitor and also monitors daily, weekly and monthly data usage.

Network speed tester including server discovery, latency measurement, download and upload speed testing.

Minimalist system tray widget for Windows showing Jalali calendar and live network speed.

Finally a lightweight network monitor tool. NetworkMonitor Lite is a tiny, malware-free Windows app that shows live upload/download speeds in a clean interface, system tray icon, and draggable taskbar widget. Lightweight, portable, and fully compatible with Windows 11.