
Keystash.io
Keyfactor Command
Thycotic Privilege Manager
JumpCloud
Universal SSH Key Manager
KeySmith SSH
PuTTY
Userify is a cloud-based SSH key management solution.

TokenTimer.ch
Smallstep Certificates
Certbot
Let's Encrypt
acme.sh
SSL Expiration Reminder
Dogtag PKI
The self-hosted control plane for your TLS certificates, ready for 47-day certificates: issue, renew, discover, deploy. 29 DNS providers, MIT. v2.55.0.

Which is more popular?
Based on our record, Userify seems to be more popular. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | userify.com | certmate.org |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
Walkthroughs and reviews on video.
How Snag Centralized SSH Key Management using Userify and AWS
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Userify and CertMate. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


5. No inbound ports, no CA signatures (WELL, that's not strictly true*!) You still get central control, but failure modes are local instead of “everyone is locked out right now.” That’s basically what we do at Userify... - Source: Hacker News / 7 months ago
Not to shill too hard, but this is basically the problem Userify was built to solve ~15 years ago: keeping SSH authorized_keys in sync automatically across fleets. https://userify.com. - Source: Hacker News / 8 months ago
That's exactly how Userify[0] used to work. (when it was Python; now that it's a Go app, we do the caching in memory using Ristretto[1]). 0. https://userify.com (team ssh key management/sudo authz) 1. - Source: Hacker News / almost 3 years ago
Tracking CertMate since Oct 2026.
When comparing Userify and CertMate, you can also consider the following products.

Centralized Linux user and SSH key management software
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Certificate lifecycle automation and expiration management for DevOps, SRE, security and IT teams.
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Keyfactor Command is a web-based platform that offers you AI-based tools to manage and handle the identity of the organization and allows you to access the data from any remote location as it is a cloud-based platform.
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A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywhere & SSO for SSH.
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Automate endpoint privilege management and mitigate critical vulnerabilities via application control without disrupting users or your IT support team.
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Automatically enable HTTPS on your website with EFF's Certbot, deploying Let's Encrypt certificates.
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