Compare software

NetExec vs Responder: catalog facts
NetExec	Responder
Free The open-source software is available without a license fee. Hosting, hardware and…	Free The software is free under its open-source licence. Hosting, hardware and external…
Windows, macOS, Linux, Command line	Linux, Command line
Groups service checks and authentication testing in a command-line toolkit.	It answers failed name lookups and runs rogue authentication servers for many protocols, which demonstrates the risk of…
Requires careful credential handling and permission to test the environment.	It captures real credentials from real users, so it is only ever appropriate inside an authorised engagement.
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause	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.