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Nmap vs hping3: catalog facts
Nmap	hping3
Free Free for end users under the Nmap Public Source License. Redistributing Nmap inside a…	Free Free and open source under the GPL.
Windows, macOS, Linux, Command line	macOS, Linux, Command line
Host discovery, port scanning, service and version detection and OS fingerprinting in one tool The Nmap Scripting Engine adds hundreds of Lua scripts for specific checks	Crafts arbitrary packets, so firewall and filtering behaviour can be tested precisely Advanced traceroute and path MTU discovery modes
The licence is custom, not OSI-approved, and is incompatible with GPLv2 Companies redistributing Nmap in their own products need a commercial OEM licence	Requires root and can disrupt networks if used carelessly Development stopped years ago
Downloadable app	Downloadable app
Not stated if open source	Open source
License: Nmap Public Source License	License: GPL-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 22, 2026

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