Updo – website monitoring tool

Updo is a command-line tool for monitoring website uptime and performance. It provides real-time metrics on website status, response time, SSL certificate expiry, and more, with alert notifications.

This is free and open source software.

Features include:

• Real-time monitoring with uptime percentage, response times, and SSL certificate tracking
• Multi-target monitoring – Monitor multiple URLs concurrently from the command line or config files
• Multi-region AWS Lambda – Deploy across 13 global regions for worldwide monitoring coverage
• Prometheus & Grafana integration – Export metrics for visualization and long-term storage
• Alert notifications – Desktop notifications and webhook integration (Slack, Discord, custom endpoints)
• Flexible HTTP support – Custom headers, POST/PUT requests, SSL verification options, response assertions
• Multiple output modes – Interactive TUI, simple text output, or structured JSON logging

Website: github.com/Owloops/updo
Support:
Developer: Owloops
License: MIT License

Updo is written in Go. Learn Go with our recommended free books and free tutorials.

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