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Angry IP Scanner vs Wireless Network Watcher: catalog facts
Angry IP ScannerWireless Network Watcher
Free

Free and open source under GPL v2.

Free

Freeware from NirSoft with no paid tier.

Windows, macOS, Linux Windows
  • Scans a local network or an internet range, by range, random selection or an address file
  • Extensible through data fetchers for hostname, MAC address, ports and more
  • Shows the adapter manufacturer to help identify each device
  • Background scan with alerts for new devices
  • Needs a Java runtime, which the packaged builds bundle but the bare jar does not
  • The macOS build has been looking for a maintainer since 2019
  • Can only scan the wireless network you are currently connected to
  • Built-in MAC vendor database may lag behind new assignments
Downloadable app Downloadable app
Open source Closed source
License: GPL-2.0 License: Freeware
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 20, 2026

Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.