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Best Sigstore Alternatives in 2026

Updated

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

  1. 1
    AWS Signer Free plan apiLinuxMacWebWin Free6.6
    Sigstore vs AWS Signer
  2. 2
    Cosign Free plan LinuxMacself-hostedWin Free6.6
    Sigstore vs Cosign
  3. 3
    SignPath Free plan apiLinuxMacself-hostedWeb Free6.6
    Sigstore vs SignPath
  4. 4
    SignServer Free plan apiLinuxMacself-hostedWeb Free6.6
    Sigstore vs SignServer
  5. 6
    SignPath Foundation Free plan apiWeb Free6.4
    Sigstore vs SignPath Foundation
  6. 7
    DigiCert Software Trust Manager apiLinuxMacWebWin 5.7
    Sigstore vs DigiCert Software Trust Manager
  7. 8
    Bamboo Deploy apiLinuxMacWebWin $15/mo5.6
    Sigstore vs Bamboo Deploy
  8. 9
    Red Hat Trusted Artifact Signer LinuxMacself-hostedWebWin 5.6
    Sigstore vs Red Hat Trusted Artifact Signer
  9. 10
    ComSignTrust Secure Code Signing Platform (ASCS) apiWeb 5.4
    Sigstore vs ComSignTrust Secure Code Signing Platform (ASCS)
  10. 11
    Keyfactor Platform Free trial apiself-hostedWeb 5.4
    Sigstore vs Keyfactor Platform
  11. 12
    SSL.com Certificate Lifecycle Management apiWeb 5.4
    Sigstore vs SSL.com Certificate Lifecycle Management
  12. 13
    Code Signing Key Management Server (CSKMS) self-hosted 5.3
    Sigstore vs Code Signing Key Management Server (CSKMS)
  13. 14
    Notation WinMacLinux 5.3
    Sigstore vs Notation
  14. 15
    OpenPubkey WinMacLinux 5.3
    Sigstore vs OpenPubkey
  15. 16
    Signo apiLinuxself-hosted 5.3
    Sigstore vs Signo
  16. 17
    Aujas Automated Code Signing Platform Web 5.2
    Sigstore vs Aujas Automated Code Signing Platform
  17. 18
    CodeLocker 5.1
    Sigstore vs CodeLocker
  18. 19
    CyberArk Code Sign Manager - Self-Hosted Win 5.1
    Sigstore vs CyberArk Code Sign Manager - Self-Hosted
  19. 20
    GaraTrust 5.1
    Sigstore vs GaraTrust
  20. 21
    GoGetSSL Cloud Code Signing MacWebWin $35.42/mo5.1
    Sigstore vs GoGetSSL Cloud Code Signing

Sigstore 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
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
15OpenPubkey5.3No—Windows, Mac, Linux
16Signo5.3No—API, Linux, self-hosted
17Aujas Automated Code Signing Platform5.2No—Web
18CodeLocker5.1No——
19CyberArk Code Sign Manager - Self-Hosted5.1No—Windows
20GaraTrust5.1No——
21GoGetSSL Cloud Code Signing5.1No$35.42/moMac, Web, Windows
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Questions about Sigstore alternatives

What is the best alternative to Sigstore?

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 Sigstore?

AWS Signer is the best-ranked alternative with a free plan. 5 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.