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

Cosign alternatives compared

#AppScoreFree planFromRuns on
1AWS Signer6.6Free planFreeAPI, Linux, Mac, Web, 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
15OpenPubkey5.3No—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
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Questions about Cosign alternatives

What is the best alternative to Cosign?

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

What is the best free alternative to Cosign?

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.