Uptime / synthetic

Healthchecks.io

open source / community (Pēteris Caune)

The dead-man's-switch for cron jobs and scheduled tasks — alerts you when an expected ping doesn't arrive.

Category
Uptime / synthetic
License
Open source
Deployment
SaaS or self-hosted
Cost
Free
Free tier
Yes
Self-host effort
Turnkey
Maturity
Established
Popularity
Beloved niche tool; genuinely OSS + self-hostable

The catch

Deliberately narrow — it monitors that your job ran, not whether a site/API is reachable, so people repeatedly mis-buy it expecting general site monitoring.

Monitors

Synthetics

Capabilities

Alerting

Built for

HomelabSRE / DevOpsDevelopers