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Amass vs Recon-ng: catalog facts
Amass	Recon-ng
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source under the GPL.
Windows, macOS, Linux, Command line	macOS, Linux, Command line
It combines passive open-source intelligence with active reconnaissance and stores the results in a graph database you…	Workspace database means results from many modules accumulate and correlate Familiar interface for anyone who has used Metasploit
Active reconnaissance touches the target directly, so it must only be pointed at systems you are authorised to…	Many modules need API keys from third-party services Reconnaissance against organisations you are not engaged by can be unlawful
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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