Cron jobs are notorious for failing silently. You have two servers running the same crontab, and suddenly your billing job fires twice, or a job dies and nobody notices for weeks. Cronhq is a scheduler built around one ironclad guarantee: exactly-once execution. It uses Postgres locks to enforce this, not best-effort, so you never have to worry about duplicate runs or missed triggers. On top of that, Cronhq provides retries with exponential backoff, HMAC-signed webhooks for secure callbacks, and heartbeat monitors for jobs that aren't run by Cronhq itself. You'll get alerts exactly once when a job fails, and once when it recovers, so you're never left in the dark. The whole system is written in Rust on Postgres, MIT-licensed, and self-hostable with the same image we run in production. There's a free tier that includes up to 5 jobs, so you can start using it immediately. Say goodbye to silent failures and hello to reliable scheduling.
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