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RustScan vs Zenmap: catalog facts
RustScan	Zenmap
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free, usually distributed together with Nmap.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
Supports follow-up scripts and integration with other scanning tools.	Saved scan profiles for repeat scans Interactive command creator for Nmap options
Scan rate must suit the network and host resources available.	Depends on Nmap, which must also be installed Intended for authorized testing of networks you own or may scan
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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