crt.guru vs GlobalSign Atlas Discovery & Cert Mgmt: Side-by-Side Comparison (2026)

crt.guru: External TLS cert monitoring with expiry alerts, vuln scanning & compliance reports. built by crt.guru. Core capabilities include Multi-region external TLS scanning (Frankfurt, New York, Amsterdam), Certificate expiry alerts at 30, 14, 7, and 1 day intervals, Vulnerability scanning (Heartbleed, ROBOT, CCS Injection, weak ciphers)..

GlobalSign Atlas Discovery & Cert Mgmt: SSL/TLS certificate discovery and lifecycle management platform. built by GlobalSign. Core capabilities include SSL/TLS certificate discovery across public and private networks, Certificate inventory management with issue and expiry date tracking, Multi-CA certificate tracking, including certificates from third-party CAs..

Both serve the Certificate Lifecycle Management market but differ in approach, feature depth, and target audience.

crt.guru differentiates with Multi-region external TLS scanning (Frankfurt, New York, Amsterdam), Certificate expiry alerts at 30, 14, 7, and 1 day intervals, Vulnerability scanning (Heartbleed, ROBOT, CCS Injection, weak ciphers). GlobalSign Atlas Discovery & Cert Mgmt differentiates with SSL/TLS certificate discovery across public and private networks, Certificate inventory management with issue and expiry date tracking, Multi-CA certificate tracking, including certificates from third-party CAs.

crt.guru is developed by crt.guru. GlobalSign Atlas Discovery & Cert Mgmt is developed by GlobalSign. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

crt.guru and GlobalSign Atlas Discovery & Cert Mgmt serve similar Certificate Lifecycle Management use cases: both are Certificate Lifecycle Management tools, both cover SSL, TLS. Review the feature comparison above to determine which fits your requirements.