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Best Cosign Alternatives in 2026

Updated

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

  1. 2
    SignPath Free plan apiLinuxMacself-hostedWeb Free6.3
    Cosign vs SignPath
  2. 3
    SignPath Foundation Free plan apiWeb Free6.3
    Cosign vs SignPath Foundation
  3. 4
    SignServer Free plan apiLinuxMacself-hostedWeb Free6.3
    Cosign vs SignServer
  4. 5
    AWS Signer Free plan apiLinuxMacWebWin Free6.2
    Cosign vs AWS Signer
  5. 6
    Sigstore Free plan apiLinuxMacself-hostedWin Free6.2
    Cosign vs Sigstore
  6. 7
    DigiCert Software Trust Manager apiLinuxMacWebWin 5.9
    Cosign vs DigiCert Software Trust Manager
  7. 8
    Keyfactor Platform Free trial apiself-hostedWeb 5.8
    Cosign vs Keyfactor Platform
  8. 9
    SSL.com Certificate Lifecycle Management apiWeb 5.8
    Cosign vs SSL.com Certificate Lifecycle Management
  9. 10
    Bamboo Deploy apiLinuxMacWebWin $15/mo5.7
    Cosign vs Bamboo Deploy
  10. 11
    ComSignTrust Secure Code Signing Platform (ASCS) apiWeb 5.7
    Cosign vs ComSignTrust Secure Code Signing Platform (ASCS)
  11. 12
    Red Hat Trusted Artifact Signer LinuxMacself-hostedWebWin 5.7
    Cosign vs Red Hat Trusted Artifact Signer
  12. 13
    Code Signing Key Management Server (CSKMS) self-hosted 5.6
    Cosign vs Code Signing Key Management Server (CSKMS)
  13. 14
    Signo apiLinuxself-hosted 5.6
    Cosign vs Signo
  14. 15
    GoGetSSL Cloud Code Signing MacWebWin $35.42/mo5.5
    Cosign vs GoGetSSL Cloud Code Signing
  15. 16
    LAAVAT PKI and Signing Platform Free trial apiself-hostedWeb 5.5
    Cosign vs LAAVAT PKI and Signing Platform
  16. 17
    The Update Framework 5.4
    Cosign vs The Update Framework
  17. 18
    Aujas Automated Code Signing Platform Web 5.3
    Cosign vs Aujas Automated Code Signing Platform
  18. 19
    CodeLocker 5.3
    Cosign vs CodeLocker
  19. 20
    GaraTrust 5.3
    Cosign vs GaraTrust
  20. 21
    Notation WinMacLinux 5.3
    Cosign vs Notation

Cosign alternatives compared

#AppScoreFree planFromRuns on
2SignPath6.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3SignPath Foundation6.3Free planFreeAPI, Web
4SignServer6.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5AWS Signer6.2Free planFreeAPI, Linux, Mac, Web, Windows
6Sigstore6.2Free planFreeAPI, Linux, Mac, self-hosted, Windows
7DigiCert Software Trust Manager5.9No—API, Linux, Mac, Web, Windows
8Keyfactor Platform5.8No—API, self-hosted, Web
9SSL.com Certificate Lifecycle Management5.8No—API, Web
10Bamboo Deploy5.7No$15/moAPI, Linux, Mac, Web, Windows
11ComSignTrust Secure Code Signing Platform (ASCS)5.7No—API, Web
12Red Hat Trusted Artifact Signer5.7No—Linux, Mac, self-hosted, Web, Windows
13Code Signing Key Management Server (CSKMS)5.6No—self-hosted
14Signo5.6No—API, Linux, self-hosted
15GoGetSSL Cloud Code Signing5.5No$35.42/moMac, Web, Windows
16LAAVAT PKI and Signing Platform5.5No—API, self-hosted, Web
17The Update Framework5.4No——
18Aujas Automated Code Signing Platform5.3No—Web
19CodeLocker5.3No——
20GaraTrust5.3No——
21Notation5.3No—Windows, Mac, Linux
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Questions about Cosign alternatives

What is the best alternative to Cosign?

SignPath, number 2 in code signing software with a score of 6.3 out of 10. The others here: SignPath Foundation, SignServer, AWS Signer and 16 more.

What is the best free alternative to Cosign?

SignPath 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.