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Total Registry vs O&O RegEditor: catalog facts
Total Registry	O&O RegEditor
Free Free and open source under the MIT licence.	Free Freeware under the O&O end-user licence.
Windows	Windows
Shows the real Registry, not just the standard view Sort the list view by any column	Fast search across the registry Backup functions before making changes
Windows only Editing the Registry carries risk if you do not know what a key does	Windows only Closed source freeware
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License: Freeware
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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