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Mnemosyne vs Essentialist: catalog facts
Mnemosyne	Essentialist
Free Free and open source.	Free Free and open source under the MIT license.
Windows, macOS, Linux	Windows, macOS, Linux, Android
Spaced-repetition scheduling that focuses on cards you forget Uncluttered interface for newcomers	Flashcard decks are plain Markdown files Keeps data on the device without network access
Smaller community and fewer shared decks than Anki Plain, older-style interface	Does not support images in cards No built-in sync service
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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