Pulsy

Free, self-hosted uptime monitoring with incident tracking, TLS checks, and status pages.

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Pulsy is a free, open-source, self-hosted uptime monitor that checks HTTP endpoints on a schedule, tracks TLS certificate expiry, groups failures into incidents, and sends notifications via email, webhook, Slack, Discord, or Telegram. It also publishes opt-in public status pages and offers a versioned REST API. Every feature is available on every install, with no paid tiers.

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Problem & pain-point mapping
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What it's a strong alternative to
Trust & credibility signals

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