Comprehensive on-demand OSINT to analyze a website's security, architecture, and tech stack.

34.6k stars2.8k forksMITlast commit Actively maintained
Censys is an internet intelligence platform that continuously scans the public Internet to index hosts, domains, TLS certificates, and exposed services, providing searchable data for attack-surface discovery, vulnerability detection, and threat research.
Comprehensive on-demand OSINT to analyze a website's security, architecture, and tech stack.

34.6k stars2.8k forksMITlast commit Actively maintained
Secrover generates human-readable HTML security audit reports for repositories and domains. Scans dependencies, code, and domains; supports scheduling and remote exports.

252 stars3 forksGPL-3.0last commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 2 of 2 shipped a commit in the last six months. Licences in this list: MIT, GPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Monitoring & Observability.