Sigstore
About Sigstore
Sigstore offers a collection of open source tools for software supply chain security. The framework allows developers and consumers to sign and verify software artifacts securely. It is intended for open source maintainers but also applies to proprietary software. The tools help trace software back to its source.
Products
- Cosign: Uses ephemeral key material and short-lived certificates to sign and verify artifacts.
- Rekor: Provides an immutable, tamper-resistant, transparent ledger of signatures and software metadata.
Used for
- Signing and verifying software artifacts.
- Detecting changes to source code, build platform, or artifact repository.
- Signing images and pushing signatures to a registry.
- Linking npm packages to their source repository and build instructions.
Who it is for
- Open source maintainers.
- Software developers.
- Open source software producers and users.
From Sigstore's own website, read 2026-10-23. How we build listings.
How to evaluate Application Security
This is how the CIOPages Research Team evaluates this category. It is not an assessment of Sigstore. It comes from our DevSecOps & Application Security Testing buyer guide.
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Quick Facts
www.sigstore.dev Pricing pageWe publish a detail only when we can point at the page it came from. Know when Sigstore was founded or where it is based? Send it to us, free.
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