TL;DR - smallstep
- smallstep is an open-source certificate management platform
- It provides automated TLS certificates for internal infrastructure
- Free and open-source, commercial support available
Pricing: Free plan available
Best for: Growing teams
Score: 82/100
Pricing
Freemium
View pricing smallstep offers a free plan with paid upgrades.
About smallstep
Smallstep provides automated certificate management. Zero-trust security infrastructure—certificates and identity for modern security.
The automation handles certificates. The zero-trust enables security. The open-source exists.
Security teams wanting automated certificates use Smallstep for certificate infrastructure.
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smallstep FAQ
The open source tools are free. Smallstep's commercial offerings for enterprise PKI management have custom pricing based on your infrastructure needs.
Smallstep provides tools for private PKI and certificate management. It automates TLS certificate lifecycle, enabling zero-trust security architectures for internal services.
Let's Encrypt is for public-facing websites. Smallstep is for internal infrastructure - your private services, Kubernetes clusters, and internal APIs that need their own certificate authority.