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PiP Tool vs OnTopReplica: catalog facts
PiP Tool	OnTopReplica
Free Free and open source under the MIT license.	Free Free; licensed under MIT.
Windows	Windows
Keeps video visible in a thumbnail window while using other apps	Keeps a live copy of a selected window visible Replica window stays on top
Windows only	Windows only The listed supported versions end at Windows 10
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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