# DigiCert Software Trust Manager vs Helm GPG (GnuPG) Plugin: side-by-side comparison (2026) [DigiCert Software Trust Manager](https://cybersectools.com/tools/digicert-software-trust-manager) is a commercial [software supply chain security](https://cybersectools.com/categories/software-supply-chain-security) solution by [DigiCert](https://cybersectools.com/companies/digicert). [Helm GPG (GnuPG) Plugin](https://cybersectools.com/tools/helm-gpg-gnupg-plugin) is a free [software supply chain security](https://cybersectools.com/categories/software-supply-chain-security) solution. Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | DigiCert Software Trust Manager | Helm GPG (GnuPG) Plugin | |---|---|---| | Pricing model | Commercial | Free | | Category | Software Supply Chain Security | Software Supply Chain Security | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | – | 28 | | Last commit | – | Feb 2020 | | Company | DigiCert | – | | Headquarters | – | – | ### Use cases and capabilities | | DigiCert Software Trust Manager | Helm GPG (GnuPG) Plugin | |---|---|---| | Software Supply Chain | Yes | – | | SBOM | Yes | – | | CI/CD | Yes | – | | RBAC | Yes | – | | Supply Chain Security | Yes | – | | DevSecOps | Yes | – | | Quantum Safe | Yes | – | | Encryption | – | Yes | ### Core features **DigiCert Software Trust Manager** 10 features listed. Sign in on the page to see them. **Helm GPG (GnuPG) Plugin** No features listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [DigiCert Software Trust Manager](https://cybersectools.com/tools/digicert-software-trust-manager) fits if you want a cloud product. - [Helm GPG (GnuPG) Plugin](https://cybersectools.com/tools/helm-gpg-gnupg-plugin) fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product. ## DigiCert Software Trust Manager vs Helm GPG (GnuPG) Plugin FAQ Common questions when comparing DigiCert Software Trust Manager vs Helm GPG (GnuPG) Plugin for software supply chain security. ### What is the difference between DigiCert Software Trust Manager and Helm GPG (GnuPG) Plugin? **DigiCert Software Trust Manager**: Code signing & software supply chain security platform with policy governance. Built by DigiCert. **Helm GPG (GnuPG) Plugin**: Helm plugin for cryptographically signing and verifying charts with GnuPG integration. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes DigiCert Software Trust Manager and Helm GPG (GnuPG) Plugin? **DigiCert Software Trust Manager** is made by DigiCert. **Helm GPG (GnuPG) Plugin** is open-source with 28 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is DigiCert Software Trust Manager a good alternative to Helm GPG (GnuPG) Plugin? Often, yes. DigiCert Software Trust Manager and Helm GPG (GnuPG) Plugin are both Software Supply Chain Security products. Key differences: DigiCert Software Trust Manager is Commercial while Helm GPG (GnuPG) Plugin is Free, Helm GPG (GnuPG) Plugin is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [DigiCert Software Trust Manager vs SignPath Zero Trust Software Integrity](https://cybersectools.com/compare/digicert-software-trust-manager-vs-signpath-zero-trust-software-integrity) - [DigiCert Software Trust Manager vs Scribe Platform](https://cybersectools.com/compare/digicert-software-trust-manager-vs-scribe-scribe-platform) - [DigiCert Software Trust Manager vs Kusari Software Supply Chain Security](https://cybersectools.com/compare/digicert-software-trust-manager-vs-kusari-software-supply-chain-security) - [Helm GPG (GnuPG) Plugin vs SignPath Zero Trust Software Integrity](https://cybersectools.com/compare/helm-gpg-gnupg-plugin-vs-signpath-zero-trust-software-integrity) - [Helm GPG (GnuPG) Plugin vs Scribe Platform](https://cybersectools.com/compare/helm-gpg-gnupg-plugin-vs-scribe-scribe-platform) - [Helm GPG (GnuPG) Plugin vs Kusari Software Supply Chain Security](https://cybersectools.com/compare/helm-gpg-gnupg-plugin-vs-kusari-software-supply-chain-security) ## Alternatives to each - [See all DigiCert Software Trust Manager alternatives](https://cybersectools.com/alternatives/digicert-software-trust-manager) - [See all Helm GPG (GnuPG) Plugin alternatives](https://cybersectools.com/alternatives/helm-gpg-gnupg-plugin) --- Source: https://cybersectools.com/compare/digicert-software-trust-manager-vs-helm-gpg-gnupg-plugin For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/digicert-software-trust-manager.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on DigiCert Software Trust Manager and Helm GPG (GnuPG) Plugin: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md