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NetAlertX

Network presence scanner and intrusion detection

Monitoring & Status ★ 7.3k stars Easy setup GPL-3.0

NetAlertX scans your local network and notifies you when new devices connect or known devices disappear. It acts as a lightweight presence and intrusion-detection tool for home networks.

Official siteSource code

Key features

  • New device detection
  • Presence tracking
  • Many notification channels
  • Network device inventory

Strengths

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Mature project with 7.3k GitHub stars

Is NetAlertX secure?

No known vulnerabilities affect NetAlertX's latest release (v26.10.0). OSV.dev lists 4 past advisories for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2025-48952, published 2025-07-04 (467 days ago), fixed in 25.6.7

Source: OSV.dev, checked 2026-10-14. How this is measured.

NetAlertX replaces

Self-hosted Fing alternatives

Health badge

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SelfHostIndex: 93 · excellent

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   :alt: SelfHostIndex health score for NetAlertX
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