Your cable internet is slow and your provider says everything is fine?
DOCSight proves them wrong.
DOCSight monitors your cable internet connection 24/7 and collects the hard evidence you need to hold your ISP accountable. One click generates a complaint letter with real data your provider can't ignore.
For cable internet (DOCSIS/coax) only — Vodafone Kabel, Pyur, Tele Columbus, Virgin Media, Comcast, Spectrum, and others.
docker run -d --name docsight -p 8765:8765 -v docsight_data:/data ghcr.io/itsdnns/docsight:latestOpen http://localhost:8765, enter your router login, done. Full installation guide →
| ✅ You have cable internet (coax/DOCSIS) | DOCSight is built for this |
| ✅ Your internet drops out or is slower than what you're paying for | DOCSight documents it |
| ✅ Your ISP says "everything is fine on our end" | DOCSight gives you proof |
| ❌ You have DSL or fiber | This tool won't work for you |
| 🏠 Runs 100% locally | No cloud, no external servers |
| 🔒 Nothing leaves your network | Your data is never uploaded anywhere |
| 📖 Open source | All code is public and verifiable |
| 🔐 Credentials encrypted | Router login encrypted at rest (AES-128) |
| Feature | Description |
|---|---|
| Live Dashboard | Real-time channel data with health assessment and metric cards |
| Signal Trends | Interactive charts with DOCSIS reference zones (day/week/month) |
| Event Log | Automatic anomaly detection with modulation watchdog |
| Speedtest Integration | Speed test history from Speedtest Tracker |
| Incident Journal | Document ISP issues with attachments |
| Complaint Generator | Editable ISP letter + downloadable technical PDF |
| Home Assistant | MQTT Auto-Discovery with per-channel sensors |
| BQM Integration | ThinkBroadband broadband quality graphs |
| LLM Export | Structured reports for AI analysis |
4 languages (EN/DE/FR/ES) · Light/Dark mode · Setup wizard · Optional authentication
Click to expand
| Dashboard (Dark) | Dashboard (Light) |
|---|---|
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| Signal Trends | Health Assessment |
|---|---|
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| Speedtest Tracker | Incident Journal |
|---|---|
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- Docker (or any OCI-compatible container runtime)
- A DOCSIS cable modem or router with web interface (tested with AVM FRITZ!Box 6690 Cable)
- MQTT broker (optional, for Home Assistant)
📚 Wiki — Full documentation, guides, and DOCSIS glossary
See CONTRIBUTING.md. Please open an issue before working on new features.
See the full roadmap in the wiki.
See GitHub Releases.
If DOCSight helps you, consider buying me a coffee ☕
