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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
    Cosign Free plan LinuxMacself-hostedWin Free7.3
    OpenPubkey vs Cosign
  2. 2
    SignPath Free plan apiLinuxMacself-hostedWeb Free7.2
    OpenPubkey vs SignPath
  3. 3
    SignServer Free plan apiLinuxMacself-hostedWeb Free7.2
    OpenPubkey vs SignServer
  4. 4
    AWS Signer Free plan apiLinuxMacWebWin Free7.1
    OpenPubkey vs AWS Signer
  5. 5
    Sigstore Free plan apiLinuxMacself-hostedWin Free7.0
    OpenPubkey vs Sigstore
  6. 6
    DigiCert Software Trust Manager apiLinuxMacWebWin 6.8
    OpenPubkey vs DigiCert Software Trust Manager
  7. 7
    SignPath Foundation Free plan apiWeb Free6.8
    OpenPubkey vs SignPath Foundation
  8. 8
    Red Hat Trusted Artifact Signer LinuxMacself-hostedWebWin 6.7
    OpenPubkey vs Red Hat Trusted Artifact Signer
  9. 9
    Bamboo Deploy apiLinuxMacWebWin $15/mo6.6
    OpenPubkey vs Bamboo Deploy
  10. 10
    SSL.com Certificate Lifecycle Management apiWeb 6.4
    OpenPubkey vs SSL.com Certificate Lifecycle Management
  11. 11
    ComSignTrust Secure Code Signing Platform (ASCS) apiWeb 6.3
    OpenPubkey vs ComSignTrust Secure Code Signing Platform (ASCS)
  12. 12
    GoGetSSL Cloud Code Signing MacWebWin $35.42/mo6.3
    OpenPubkey vs GoGetSSL Cloud Code Signing
  13. 13
    Keyfactor Platform Free trial apiself-hostedWeb 6.3
    OpenPubkey vs Keyfactor Platform
  14. 14
    Signo apiLinuxself-hosted 6.1
    OpenPubkey vs Signo
  15. 15
    LAAVAT PKI and Signing Platform Free trial apiself-hostedWeb 6.0
    OpenPubkey vs LAAVAT PKI and Signing Platform
  16. 16
    Code Signing Key Management Server (CSKMS) self-hosted 5.9
    OpenPubkey vs Code Signing Key Management Server (CSKMS)
  17. 17
    Notation WinMacLinux 5.9
    OpenPubkey vs Notation
  18. 19
    Aujas Automated Code Signing Platform Web 5.7
    OpenPubkey vs Aujas Automated Code Signing Platform
  19. 20
    CyberArk Code Sign Manager - Self-Hosted Win 5.6
    OpenPubkey vs CyberArk Code Sign Manager - Self-Hosted
  20. 21
    GaraTrust 5.6
    OpenPubkey vs GaraTrust

OpenPubkey alternatives compared

#AppScoreFree planFromRuns on
1Cosign7.3Free planFreeLinux, Mac, self-hosted, Windows
2SignPath7.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3SignServer7.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
4AWS Signer7.1Free planFreeAPI, Linux, Mac, Web, Windows
5Sigstore7.0Free planFreeAPI, Linux, Mac, self-hosted, Windows
6DigiCert Software Trust Manager6.8No—API, Linux, Mac, Web, Windows
7SignPath Foundation6.8Free planFreeAPI, Web
8Red Hat Trusted Artifact Signer6.7No—Linux, Mac, self-hosted, Web, Windows
9Bamboo Deploy6.6No$15/moAPI, Linux, Mac, Web, Windows
10SSL.com Certificate Lifecycle Management6.4No—API, Web
11ComSignTrust Secure Code Signing Platform (ASCS)6.3No—API, Web
12GoGetSSL Cloud Code Signing6.3No$35.42/moMac, Web, Windows
13Keyfactor Platform6.3No—API, self-hosted, Web
14Signo6.1No—API, Linux, self-hosted
15LAAVAT PKI and Signing Platform6.0No—API, self-hosted, Web
16Code Signing Key Management Server (CSKMS)5.9No—self-hosted
17Notation5.9No—Windows, Mac, Linux
19Aujas Automated Code Signing Platform5.7No—Web
20CyberArk Code Sign Manager - Self-Hosted5.6No—Windows
21GaraTrust5.6No——
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Questions about OpenPubkey alternatives

What is the best alternative to OpenPubkey?

Cosign, number 1 in code signing software with a score of 7.3 out of 10. The others here: SignPath, SignServer, AWS Signer and 16 more.

What is the best free alternative to OpenPubkey?

Cosign 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: documentation depth, a free tier and the platforms it runs on.