DigiCert Software Trust Manager vs Sigstore

DigiCert Software Trust Manager9.2Visit Sigstore8.4Visit

Higher score DigiCert Software Trust Manager #2 in Code Signing Software 9.2/10 Pricing on request · 30-day trial Free trial✓ 6 of 6 features Visit DigiCert

vs

Sigstore #8 in Code Signing Software 8.4/10 Free plan Free plan✓ 0 of 6 features Visit Sigstore

• DigiCert Software Trust Manager fits best

  Enterprise-wide signing and certificate governance

• Sigstore fits best

  Open-source artifact and container signing

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Side by side

Feature	DigiCert Software Trust Manager 9.2/10 Visit ↗	Sigstore 8.4/10 Visit ↗
At a glance
Editor score	9.2	8.4
Ranking	#2 in Code Signing Software	#8 in Code Signing Software
Best for	Enterprise-wide signing and certificate governance	Open-source artifact and container signing
Pricing model	Paid	Free
Starting price	Pricing on request · 30-day trial	Free plan
Free plan	Not checked yet	✓ (best)
Free trial	30 days	—
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web, Windows, macOS, Linux	Windows, macOS, Linux
Support	Docs	Community, Docs, Tickets
Integrations	7 integrations	5 integrations
Built for	Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features DigiCert Software Trust Manager 6/6 · Sigstore 0/6
Certificate provided	✓ (best)	Not checked yet
Cloud signing	✓ (best)	Not checked yet
HSM key protection	✓ (best)	Not checked yet
Trusted timestamping	✓ (best)	Not checked yet
CI/CD signing	✓ (best)	Not checked yet
Approval workflows	✓ (best)	Not checked yet
Specs
Supported targets	Windows binaries and packages; Java archives; Android APK/AAB; macOS APP/DMG/PKG; Linux binaries; NuGet packages; containers; firmware and other artifacts	Not checked yet
Our review
Pros	Supports binaries, packages, containers, firmware, and other artifacts HSM-backed keys, approvals, policies, and audit logs centralize governance Integrates with GitHub Actions, REST API, CLI, PKCS#11, and Windows KSP	Keyless signing with short-lived identity certificates Public transparency logging through Rekor SBOMs, attestations, and Kubernetes policy enforcement
Cons	Pricing requires contacting sales rather than self-serve checkout Its governance depth may exceed the needs of basic signing workflows A broad interface and integration surface can require deliberate administration	Focused on artifacts and containers, not traditional certificate management Keyless workflows use OpenID Connect identity Kubernetes policy enforcement targets a specific platform
Our verdict	DigiCert Software Trust Manager is a software-signing and release-governance platform for organizations protecting code, binaries, packages, containers, firmware, and other release artifacts. It centralizes certificates and keypairs while… Read the review →	Sigstore is an open-source project for signing and verifying release files, container images, binaries, software bills of materials, and other software artifacts. It is designed for developers and software providers that need supply-chain… Read the review →

Strengths and trade-offs

• DigiCert Software Trust Manager — where it wins

  • Supports binaries, packages, containers, firmware, and other artifacts
  • HSM-backed keys, approvals, policies, and audit logs centralize governance
  • Integrates with GitHub Actions, REST API, CLI, PKCS#11, and Windows KSP

  Where it doesn't

  • Pricing requires contacting sales rather than self-serve checkout
  • Its governance depth may exceed the needs of basic signing workflows
  • A broad interface and integration surface can require deliberate administration

• Sigstore — where it wins

  • Keyless signing with short-lived identity certificates
  • Public transparency logging through Rekor
  • SBOMs, attestations, and Kubernetes policy enforcement

  Where it doesn't

  • Focused on artifacts and containers, not traditional certificate management
  • Keyless workflows use OpenID Connect identity
  • Kubernetes policy enforcement targets a specific platform

• DigiCert Software Trust Manager9.2/10 · Pricing on request · 30-day trial

  Enterprise signing governance for artifacts, approvals, keys, and release pipelines.

  Visit DigiCertFull verdict →
• Sigstore8.4/10 · Free plan

  A free, open-source choice for keyless artifact, container, SBOM, and provenance signing.

  Visit SigstoreFull verdict →