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Whosthere vs netdiscover: catalog facts
Whosthere	netdiscover
Free Free and open source under the Apache 2.0 licence.	Free Free to download from its official repository.
Windows, Command line	Linux, Command line
Interactive terminal UI for browsing discovered devices Discovery runs without elevated privileges	Active and passive ARP discovery Works on networks without a DHCP server
Limited to the local network Terminal-only, with no graphical interface	Only discovers hosts on the local network segment Intended for authorized testing of networks you own or may scan
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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