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CertObserver vs Passbolt

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

CertObserver compared with Passbolt
DetailCertObserverPassbolt
What it doesTLS certificate monitoring and inventory Open source password and credential manager for teams
StageNot given Established
FoundedNot given 2016
Based inNot given LU
Pricing modelNot given Not given
PricingMonthly subscription plans starting at $9/month for the Small plan, with Medium at $29/month, Large at $59/month, and Max at $99/month. All plans include email and Slack alerts. Community Edition is free with unlimited users. Pro Edition costs €4.5 per user per month (billed annually) with minimum 10 users. Enterprise Edition pricing is custom.
Key features
  • Certificate inventory management
  • Certificate Transparency log monitoring
  • TLS endpoint monitoring
  • Expiration alerts
  • Email and Slack notifications
  • Team collaboration with role-based access
  • Optional alerts for certificate issues
  • Password management with auto-fill and auto-save
  • Privileged access management with fine-grained permissions
  • Secret management with API and CLI integration
  • Instant credential sharing with granular permissions
  • End-to-end encryption with private key architecture
  • Activity logging and audit trails
  • Single Sign-On with Microsoft, Google, and OpenID
  • LDAP provisioning for AD and OpenLDAP
What makes it different
  • Monitors Certificate Transparency logs for new certificates on your domains
  • Validates TLS handshakes across multiple protocols
  • 100% open source under AGPL V3 even in paid editions
  • Unique public-private key encryption architecture for enhanced security
  • Made in Europe with GDPR and NIS2 compliance by design
  • Flexible deployment options: self-hosted, cloud, or cloud-native
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)50 no change since last check73 no change since last check
Trust Flow (Majestic)2543
Citation Flow (Majestic)2548
Referring domains (Majestic)922215

4 details filled in for both companies.

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