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Best OpenPubkey Alternatives in 2026

Updated

20 apps from code signing software ranked against OpenPubkey on the same published basis.

  1. 1
    AWS Signer Free plan apiLinuxMacWebWin Free6.6
    OpenPubkey vs AWS Signer
  2. 2
    Cosign Free plan LinuxMacself-hostedWin Free6.6
    OpenPubkey vs Cosign
  3. 3
    SignPath Free plan apiLinuxMacself-hostedWeb Free6.6
    OpenPubkey vs SignPath
  4. 4
    SignServer Free plan apiLinuxMacself-hostedWeb Free6.6
    OpenPubkey vs SignServer
  5. 5
    Sigstore Free plan apiLinuxMacself-hostedWin Free6.5
    OpenPubkey vs Sigstore
  6. 6
    SignPath Foundation Free plan apiWeb Free6.4
    OpenPubkey vs SignPath Foundation
  7. 7
    DigiCert Software Trust Manager apiLinuxMacWebWin 5.7
    OpenPubkey vs DigiCert Software Trust Manager
  8. 8
    Bamboo Deploy apiLinuxMacWebWin $15/mo5.6
    OpenPubkey vs Bamboo Deploy
  9. 9
    Red Hat Trusted Artifact Signer LinuxMacself-hostedWebWin 5.6
    OpenPubkey vs Red Hat Trusted Artifact Signer
  10. 10
    ComSignTrust Secure Code Signing Platform (ASCS) apiWeb 5.4
    OpenPubkey vs ComSignTrust Secure Code Signing Platform (ASCS)
  11. 11
    Keyfactor Platform Free trial apiself-hostedWeb 5.4
    OpenPubkey vs Keyfactor Platform
  12. 12
    SSL.com Certificate Lifecycle Management apiWeb 5.4
    OpenPubkey vs SSL.com Certificate Lifecycle Management
  13. 13
    Code Signing Key Management Server (CSKMS) self-hosted 5.3
    OpenPubkey vs Code Signing Key Management Server (CSKMS)
  14. 14
    Notation WinMacLinux 5.3
    OpenPubkey vs Notation
  15. 16
    Aujas Automated Code Signing Platform Web 5.2
    OpenPubkey vs Aujas Automated Code Signing Platform
  16. 17
    CodeLocker 5.1
    OpenPubkey vs CodeLocker
  17. 18
    CyberArk Code Sign Manager - Self-Hosted Win 5.1
    OpenPubkey vs CyberArk Code Sign Manager - Self-Hosted
  18. 19
    GaraTrust 5.1
    OpenPubkey vs GaraTrust
  19. 20
    PACE Code Signing Platform 5.1
    OpenPubkey vs PACE Code Signing Platform
  20. 21
    Signo apiLinuxself-hosted 5.1
    OpenPubkey vs Signo

OpenPubkey alternatives compared

#AppScoreFree planFromRuns on
1AWS Signer6.6Free planFreeAPI, Linux, Mac, Web, Windows
2Cosign6.6Free planFreeLinux, Mac, self-hosted, Windows
3SignPath6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
4SignServer6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5Sigstore6.5Free planFreeAPI, Linux, Mac, self-hosted, Windows
6SignPath Foundation6.4Free planFreeAPI, Web
7DigiCert Software Trust Manager5.7No—API, Linux, Mac, Web, Windows
8Bamboo Deploy5.6No$15/moAPI, Linux, Mac, Web, Windows
9Red Hat Trusted Artifact Signer5.6No—Linux, Mac, self-hosted, Web, Windows
10ComSignTrust Secure Code Signing Platform (ASCS)5.4No—API, Web
11Keyfactor Platform5.4No—API, self-hosted, Web
12SSL.com Certificate Lifecycle Management5.4No—API, Web
13Code Signing Key Management Server (CSKMS)5.3No—self-hosted
14Notation5.3No—Windows, Mac, Linux
16Aujas Automated Code Signing Platform5.2No—Web
17CodeLocker5.1No——
18CyberArk Code Sign Manager - Self-Hosted5.1No—Windows
19GaraTrust5.1No——
20PACE Code Signing Platform5.1No——
21Signo5.1No—API, Linux, self-hosted
Make your app an alternative to OpenPubkey

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Questions about OpenPubkey alternatives

What is the best alternative to OpenPubkey?

AWS Signer, number 1 in code signing software with a score of 6.6 out of 10. The others here: Cosign, SignPath, SignServer and 16 more.

What is the best free alternative to OpenPubkey?

AWS Signer 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.