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Upptime vs Vigil: catalog facts
Upptime	Vigil
Free Free and open source. Hosting, hardware and any external services are separate.	Free Free and open source. Hosting, hardware and any external services are separate.
Web, Self-hosted	Self-hosted
Stores monitoring history in Git Publishes an automatically updated status page	Tracks distributed service status Can send incident notifications
Depends on GitHub service availability and Actions usage limits.	Requires hosting and configuring the services to monitor.
Self-hosted, Web application	Self-hosted
Open source	Open source
License: MIT	License: MPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.