There are 2 repositories under circl topic.
CIRCL: Cloudflare Interoperable Reusable Cryptographic Library
Documentation and Sharing Repository for ThreatPinch Lookup Chrome & Firefox Extension
passivedns-client provides a library and a query tool for querying several passive DNS providers
A simple pseudonymization service. Your data is not shared with the server.
A dashboard that displays the most talked about CVEs in the past week