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Best SignServer Alternatives in 2026

Updated

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

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

SignServer 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
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 SignServer alternatives

What is the best alternative to SignServer?

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

What is the best free alternative to SignServer?

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.