Best OpenPubkey Alternatives in 2026
Updated
20 tools from code signing software ranked against OpenPubkey on the same published basis.
- 1OpenPubkey vs SignServer
- 2OpenPubkey vs SignPath
- 3OpenPubkey vs AWS Signer
- 4OpenPubkey vs Cosign
- 5OpenPubkey vs DigiCert Software Trust Manager
- 6OpenPubkey vs Sigstore
- 7OpenPubkey vs Red Hat Trusted Artifact Signer
- 8OpenPubkey vs Keyfactor Platform
- 9OpenPubkey vs SignPath Foundation
- 10OpenPubkey vs Bamboo Deploy
- 11OpenPubkey vs GoGetSSL Cloud Code Signing
- 12OpenPubkey vs LAAVAT PKI and Signing Platform
- 13OpenPubkey vs SSL.com Certificate Lifecycle Management
- 14OpenPubkey vs ComSignTrust Secure Code Signing Platform (ASCS)
- 15OpenPubkey vs Signo
- 16OpenPubkey vs Code Signing Key Management Server (CSKMS)
- 17OpenPubkey vs Notation
- 19OpenPubkey vs Signotaur
- 20OpenPubkey vs Aujas Automated Code Signing Platform
- 21OpenPubkey vs CyberArk Code Sign Manager - Self-Hosted
OpenPubkey alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | SignServer | 7.8 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | SignPath | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | AWS Signer | 7.3 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 4 | Cosign | 7.3 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 5 | DigiCert Software Trust Manager | 7.2 | No | — | API, Linux, Mac, Web, Windows |
| 6 | Sigstore | 7.1 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 7 | Red Hat Trusted Artifact Signer | 7.0 | No | — | Linux, Mac, self-hosted, Web, Windows |
| 8 | Keyfactor Platform | 6.9 | No | — | API, self-hosted, Web |
| 9 | SignPath Foundation | 6.9 | Free plan | Free | API, Web |
| 10 | Bamboo Deploy | 6.8 | No | $15/mo | API, Linux, Mac, Web, Windows |
| 11 | GoGetSSL Cloud Code Signing | 6.7 | No | $35.42/mo | Mac, Web, Windows |
| 12 | LAAVAT PKI and Signing Platform | 6.7 | No | — | API, self-hosted, Web |
| 13 | SSL.com Certificate Lifecycle Management | 6.6 | No | — | API, Web |
| 14 | ComSignTrust Secure Code Signing Platform (ASCS) | 6.5 | No | — | API, Web |
| 15 | Signo | 6.3 | No | — | API, Linux, self-hosted |
| 16 | Code Signing Key Management Server (CSKMS) | 6.1 | No | — | self-hosted |
| 17 | Notation | 6.1 | No | — | Windows, Mac, Linux |
| 19 | Signotaur | 5.9 | No | — | Windows |
| 20 | Aujas Automated Code Signing Platform | 5.8 | No | — | Web |
| 21 | CyberArk Code Sign Manager - Self-Hosted | 5.7 | No | — | Windows |
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Questions about OpenPubkey alternatives
What is the best alternative to OpenPubkey?
SignServer, number 1 in code signing software with a score of 7.8 out of 10. The others here: SignPath, AWS Signer, Cosign and 16 more.
What is the best free alternative to OpenPubkey?
SignServer is the best-ranked alternative with a free plan. 6 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.