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Zero-trust access and certificate management

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Reviews onG2
10 reviews tracked

The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Zero trust security

Biggest con

Learning curve

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
4.2/5 across review platforms

What is smallstep?

Editorial review
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.

Available on: Web, macOS, Windows, Linux

how we evaluateSourcesmallstep.com ↗

Pros & Cons

Pros

  • Zero trust security
  • Certificate management
  • Open source option
  • Active development
  • Good documentation

Cons

  • Learning curve
  • Complex setup
  • Enterprise features paid
  • Smaller community
  • Niche use case

Ratings Across the Web

4.2(10 reviews)

smallstep holds an aggregate rating of 4.2 out of 5 from 10 reviews across G2, last checked September 4, 2026.

G210 reviews
4.2/5

Ratings aggregated from independent review platforms. Learn more

Key Features

Zero trustCertificate authoritySSH certificatesACME serverDevice identityEnterprise

Pricing Plans

Pricing checked Aug 29, 2026

Enterprise

Custom

  • Device attestation
  • SSH certificates
  • Certificate-based Wi-Fi
  • VPN and ZTNA
  • Workload identity
  • Enterprise support
Calculate your costView full pricing

Is smallstep worth the price?

60/100

Smallstep's Enterprise-only pricing, with custom quotes, positions it as an expensive solution, especially for smaller organizations.

While the features are robust for zero-trust, the lack of transparent pricing or lower tiers makes it inaccessible for many. This model is best suited for large enterprises with complex security needs and significant budgets.

Reviews

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4.2/5

Across 10 verified user reviews on G2

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smallstep FAQ

How does smallstep support zero-trust security architectures?

Smallstep provides the underlying certificate and identity infrastructure necessary for modern zero-trust security. It automates certificate management, which is a key component in verifying every user and device trying to access resources, regardless of their location.

Which teams benefit most from implementing smallstep?

Security teams looking to automate their certificate infrastructure will find smallstep particularly useful. It helps these teams establish and maintain robust security policies through automated certificate management and zero-trust principles.

How does smallstep compare to Auth0 for identity and access management?

Smallstep focuses on automated certificate management and zero-trust security infrastructure, providing the foundational elements for secure access. In contrast, Auth0 is known for its broader identity and access management solutions, often covering authentication and authorization for applications.

What kind of learning curve should users expect with smallstep?

Users should anticipate a learning curve when adopting smallstep due to its specialized nature. The initial setup can also be complex, requiring a dedicated effort to configure the certificate and identity infrastructure correctly.

Does smallstep include a free tier for users?

Yes, smallstep is available on a free tier, allowing users to get started with its features. Paid plans are offered for those requiring more extensive usage and additional enterprise-level features.

Can smallstep be used for general developer automation tasks?

Smallstep primarily focuses on automation within the context of certificate management and security infrastructure. While it is categorized under Developer Tools, its automation capabilities are specifically geared towards handling certificates and enabling zero-trust security.

Source: smallstep.com

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