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Pieces vs deja-vu: catalog facts
Pieces	deja-vu
Freemium Individual use is offered, with team and enterprise plans available.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, Command line
Automatic timeline of work across apps Ask questions scoped by time, source or topic	Builds memory from existing session history on disk Shares one memory across many coding agents
Continuous background capture raises privacy considerations Most useful only after it has run for a while	Performance claims come from the maintainer's own benchmarks Only useful if you already use coding agents
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 2, 2026

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