NetAlertX
Network intruder and presence detector. Scans for devices connected to your network and alerts you if new and unknown devices are found.
- Network Utilities & DNS
- Python
- GPL-3.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 7,246
- Forks
- 455
- Open issues
- 22
- Commits, last 12 months
- 1,349
- Last commit
- Oct 5, 2026
- Latest release
- v26.10.0Sep 30, 2026
- Created
- Dec 23, 2021
Data from the GitHub API, refreshed daily.
About NetAlertX
Network intruder and presence detector. Scans for devices connected to your network and alerts you if new and unknown devices are found. NetAlertX is open source under the GPL-3.0 license and written mainly in Python, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 7,246 stars and 455 forks on GitHub, with 1,349 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- network-security
- selfhosted
- wifi-network
- wifi-security
- arp-scan
- security
- network-analysis
- networking
- ipam
- network-monitoring
Repository preview
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What is NetAlertX?
NetAlertX is a free, open-source app you can host on your own server, listed in our Network Utilities & DNS category. Network intruder and presence detector. Scans for devices connected to your network and alerts you if new and unknown devices are found. The source code lives at github.com/netalertx/NetAlertX, where it has 7,246 stars.
Is NetAlertX free and open source?
Yes. NetAlertX is open-source software released under the GPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run NetAlertX with Docker?
Yes. NetAlertX provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to NetAlertX?
Popular open-source alternatives to NetAlertX include Pi-hole, AdGuard Home and MyIP.
Is NetAlertX actively maintained?
The most recent commit to NetAlertX was on Oct 5, 2026 with 1,349 commits in the past twelve months. The latest release is v26.10.0, published Sep 30, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.