casspeed

A free self-hosted alternative to speedtest.net with all the features but free and opensource with no ads, tracking, and no feature gating.

Features

• 🚀 Multi-threaded download/upload tests
• 📊 Real-time WebSocket progress updates
• 🔗 Shareable test results with PNG/SVG export
• 👥 Multi-user support with device tracking
• 🔐 API token authentication
• 📱 Responsive dark theme web UI
• 💻 CLI client with real-time display and graphs
• 🐳 Docker and multi-platform support

Quick Start

Docker

docker-compose up -d

Visit http://localhost:64580 to access the web interface.

Binary

Download from releases and run:

./casspeed

Default port: 64580 (random port per spec)

CLI Client

casspeed-cli                  # Launch TUI mode
casspeed-cli --server URL     # Connect to custom server

Documentation

Full documentation available at https://casapps-casspeed.readthedocs.io

Building from Source

make build

Requires Docker (all builds use golang:alpine container).

License

MIT License - see LICENSE.md for details.