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GuardSSL - Open Source SSL Certificate Monitoring Tool with Status Page and Badge Embedding I built GuardSSL, a modern SSL certificate monitoring and checking tool focused on helping developers and ops teams avoid servic…
GuardSSL - Open Source SSL Certificate Monitoring Tool with Status Page and Badge Embedding I built GuardSSL, a modern SSL certificate monitoring and checking tool focused on helping developers and ops teams avoid service disruptions caused by expired certificates. Key Features: - Real-time certificate checking - Get detailed certificate info instantly (validity, issuer, protocol version, cipher suite) - Security scoring system - Automatically assesses certificate security (A+ to F grade), detects weak encryption algorithms and insecure protocols - Certificate chain visualization - Visual display of complete certificate chain with integrity verification - Status monitoring page - Publicly accessible status page showing SSL status and 30-day historical trends for all domains - Website badges - Support classic and circular SSL status badges that can be embedded on any website - Multi-channel notifications - Supports 5 notification channels: Email, Slack, Discord, Telegram, Feishu - History tracking - Saves all check records with filtering and export capabilities - Multi-language support - Available in 6 languages (Chinese, English, Japanese, French, Spanish) Tech Stack: - Next.js 16 + TypeScript + Tailwind CSS v4 - Drizzle ORM + PostgreSQL - Redis session cache (95%+ performance improvement) Feel free to try it out and share your feedback! Any questions or suggestions are welcome in the comments.
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