DigiCert Software Trust Manager is a commercial software supply chain security solution by DigiCert. Helm GPG (GnuPG) Plugin is a free software supply chain security solution. Features, integrations, deployment and the company behind each one, side by side.
Code signing & software supply chain security platform with policy governance.
Helm plugin for cryptographically signing and verifying charts with GnuPG integration.
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Based on what each listing shows: deployment, company size, price and open source.
DigiCert Software Trust Manager fits if you want a cloud product.
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.
Common questions when comparing DigiCert Software Trust Manager vs Helm GPG (GnuPG) Plugin for software supply chain security.
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.
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.
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.
No Software Supply Chain Security shortlist yet. This is the closest one.
Updated 2026-11-02
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