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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 Free7.2
    Cosign vs SignPath
  2. 3
    SignServer Free plan apiLinuxMacself-hostedWeb Free7.2
    Cosign vs SignServer
  3. 4
    AWS Signer Free plan apiLinuxMacWebWin Free7.1
    Cosign vs AWS Signer
  4. 5
    Sigstore Free plan apiLinuxMacself-hostedWin Free7.0
    Cosign vs Sigstore
  5. 6
    DigiCert Software Trust Manager apiLinuxMacWebWin 6.8
    Cosign vs DigiCert Software Trust Manager
  6. 7
    SignPath Foundation Free plan apiWeb Free6.8
    Cosign vs SignPath Foundation
  7. 8
    Red Hat Trusted Artifact Signer LinuxMacself-hostedWebWin 6.7
    Cosign vs Red Hat Trusted Artifact Signer
  8. 9
    Bamboo Deploy apiLinuxMacWebWin $15/mo6.6
    Cosign vs Bamboo Deploy
  9. 10
    SSL.com Certificate Lifecycle Management apiWeb 6.4
    Cosign vs SSL.com Certificate Lifecycle Management
  10. 11
    ComSignTrust Secure Code Signing Platform (ASCS) apiWeb 6.3
    Cosign vs ComSignTrust Secure Code Signing Platform (ASCS)
  11. 12
    GoGetSSL Cloud Code Signing MacWebWin $35.42/mo6.3
    Cosign vs GoGetSSL Cloud Code Signing
  12. 13
    Keyfactor Platform Free trial apiself-hostedWeb 6.3
    Cosign vs Keyfactor Platform
  13. 14
    Signo apiLinuxself-hosted 6.1
    Cosign vs Signo
  14. 15
    LAAVAT PKI and Signing Platform Free trial apiself-hostedWeb 6.0
    Cosign vs LAAVAT PKI and Signing Platform
  15. 16
    Code Signing Key Management Server (CSKMS) self-hosted 5.9
    Cosign vs Code Signing Key Management Server (CSKMS)
  16. 17
    Notation WinMacLinux 5.9
    Cosign vs Notation
  17. 18
    OpenPubkey WinMacLinux 5.8
    Cosign vs OpenPubkey
  18. 19
    Aujas Automated Code Signing Platform Web 5.7
    Cosign vs Aujas Automated Code Signing Platform
  19. 20
    CyberArk Code Sign Manager - Self-Hosted Win 5.6
    Cosign vs CyberArk Code Sign Manager - Self-Hosted
  20. 21
    GaraTrust 5.6
    Cosign vs GaraTrust

Cosign alternatives compared

#AppScoreFree planFromRuns on
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
18OpenPubkey5.8No—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 Cosign alternatives

What is the best alternative to Cosign?

SignPath, number 2 in code signing software with a score of 7.2 out of 10. The others here: SignServer, AWS Signer, Sigstore 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 on what each maker publishes: documentation depth, a free tier and the platforms it runs on.