Open Source Alternatives to Fast.com

An internet speed test tool that provides estimates of current network performance. The service measures download speed by performing a series of downloads from and uploads to Netflix servers. Users can access additional metrics including upload speed and connection latency, specifically unloaded and loaded latency to identify bufferbloat. It is designed for individual users to verify the speed provided by their internet service provider and works on any device with a web browser. The tool is provided as an ad-free utility for general usage.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Fast.com give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to Fast.com. The most popular is OpenSpeedTest. It uses the MIT license and ships an official Docker image.