Updo

Name: Updo
Author: The Updo contributors

A command-line website monitoring tool with alerting and monitoring settings.

By The Updo contributors

Free Open sourceWindows macOS Linux Command line

Official websitegithub.com

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Alternatives

Website MonitorWebsite Monitor checks sites on a schedule and sends outage notifications from Android, instead of running as Updo's cross-platform command-line tool.
Blackbox ExporterA Prometheus exporter that probes endpoints over HTTP, HTTPS, DNS, TCP, ICMP and gRPC.
NightbellAn open-source Android uptime monitor that runs checks from the phone and raises a full-screen alarm on outages.
UptimeRobotUptimeRobot is a hosted monitor with 50 free checks, alerts and public status pages, while Updo runs from the command line.
MonikaMonika checks web apps from YAML and sends alerts when they are down or slow, while Updo is a command-line website monitor.
HeartbeatA command-line uptime monitor that probes services and sends availability data to the Elastic Stack.

See all alternatives

About Updo

Updo monitors websites from the command line and supports alerts and configurable monitoring. The repository presents it as a website monitoring tool and includes examples for Prometheus and Grafana.

Strengths

Provides website monitoring from the command line
Supports alerting and advanced settings
Includes Prometheus and Grafana examples

Limitations

Requires command-line use

Details

Pricing: FreeFree and open source under the MIT license.
License: MIT
Developer: The Updo contributors
Platforms: Windows, macOS, Linux, Command line
How it runs: Downloadable app
Best suited for: Users who want to monitor websites from a terminal
Categories: System monitoring, CLI tools, Website testing
Last verified: October 8, 2026
Added: October 8, 2026
Provenance: Selected from the Awesome command line
Sources: github.com/Owloops/updo

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