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GoAlert vs Spike.sh: catalog facts
GoAlert	Spike.sh
Free Free and open source; you host it yourself.	Paid Paid service with a 14-day free trial that needs no credit card.
Web, Self-hosted	Web
On-call rotations, schedules and escalation policies Integrations with Grafana, Prometheus, Site24x7, Sensu and email	Alerts by phone, SMS, WhatsApp and Slack Rule-based routing on title, severity and payload priority
You must host and maintain the server yourself Integration list is narrower than large commercial services	Hosted service only Paid after the trial period
Self-hosted	Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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