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OneUptime vs Oh Dear: catalog facts
OneUptime	Oh Dear
Freemium Self-hosting is free; the hosted service has paid plans.	Paid Paid plans with a 10-day free trial that needs no payment details.
Web, Self-hosted	Web
Monitoring, status pages and on-call in one tool Can be self-hosted	Crawls whole sites for broken links, not just the homepage Uptime, SSL, DNS and cron checks in one tool
Large platform that takes effort to run yourself Much of the feature set is aimed at teams rather than individuals	No permanent free plan Hosted only
Self-hosted, Hosted service	Hosted service
Open source	Closed source
License: Apache-2.0	License not stated
Not stated if an account is needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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