Kuvasz (pronounce as [ˈkuvɒs]) is an open-source uptime and SSL monitoring service, with multiple notification channels, status pages, IAC support via YAML, Prometheus integration, a complete REST API and many more!

Python script that collects SSL/TLS information from hosts

Watch SSL certs and registry date expiring for your domains

A collection of awesome framework, libraries, learning tutorials, videos, webcasts, technical resources and cool stuff about SSL / TLS

SSL Checker script that monitors multiple domains' SSL certificate expirations and sends notifications to Slack channels.

Voidsu is a digital certificates diagnostic tools. It resolves and analyses X509 certificates from any remote address via the SSL/TLS protocols.

Old toolkit

This api returns the ssl expiration date of the hostname.

Tiny Go CLI that checks TLS certificate expiry across one or more domains. Zero dependencies, CI-friendly exit codes, JSON output.

Advanced concurrent web application security framework for tactical auditing and vulnerability assessment.

Package that verifies SSL information from a URL.

🛡️ Professional-grade security scanner with beautiful UI - Standalone Windows executable for comprehensive website security analysis (No Python required)

Certificate Expiry & Logs. Self-hosted SSL/TLS certificate monitor: a single binary and a single YAML file. Probes your endpoints on a schedule and delivers templated webhook alerts when a certificate is expiring, expired, invalid, or TLS becomes unavailable. Optionally exposes Prometheus metrics compatible with ssl_exporter dashboards.

🕵️ Sniff Network — colorful CLI recon & networking toolkit with 20 features: IP lookup, DNS, whois, phishing check, port scanner, SSL checker, and more. No API keys needed.

check ssl and open ports for any website

Open-source server & website uptime monitoring with SSL checks, balance tracking (Timeweb, Reg.ru) and instant Telegram notifications. React frontend + Fastify API.

Website security audit scanner — TLS/SSL, security headers, open ports, cookies and opt-in XSS/SQLi checks with severity scoring, daily auto-scan, alerts and an audit dashboard. FastAPI + React/Vite. Authorised-use only.