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Grype vs Nancy: catalog facts
Grype	Nancy
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the Apache 2.0 licence.
Windows, macOS, Linux, Command line	Windows, Command line
Can scan package inventories and software bills of materials.	Focused on Go module dependencies Easy to add to CI pipelines
Results depend on package identification and vulnerability database coverage.	Only covers Go projects Relies on Sonatype's online vulnerability data
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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