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Domain Locker vs Oh Dear: catalog facts
Domain Locker	Oh Dear
Free Open source under MIT for self-hosting; hosted pricing is not stated in the research.	Paid Paid plans with a 10-day free trial that needs no payment details.
Web, Self-hosted	Web
Tracks domains from many registrars in one place Expiry and change alerts through many channels	Crawls whole sites for broken links, not just the homepage Uptime, SSL, DNS and cron checks in one tool
Most useful only for people managing several domains Some features such as widgets are listed as coming soon	No permanent free plan Hosted only
Self-hosted, Hosted service	Hosted service
Open source	Closed source
License: MIT	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 2, 2026	Official website Full listing and sources Checked September 23, 2026

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