Vigil Core
Self-hosted uptime monitoring that opens incidents, keeps a timeline and builds postmortems.
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#3 Tool of the Day· Nov 1, 2026
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[](https://ossdrop.com/tool/vigil-core)Frequently asked
What is Vigil Core?
Vigil Core is an open-source devops & self-hosted tool — Self-hosted uptime monitoring that opens incidents, keeps a timeline and builds postmortems. It is written in TypeScript.
Is Vigil Core free and open source?
Yes. Vigil Core is free and open source, released under the Apache-2.0 license. You can view and contribute to the source at https://github.com/sikurdev/vigil-core.
What language is Vigil Core written in?
Vigil Core is primarily written in TypeScript.
What are open-source alternatives to Vigil Core?
Other open-source devops & self-hosted tools on OSSDrop include Kubernetes, Immich, Uptime Kuma, code-server.
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