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Oboete vs Parley: catalog facts
Oboete	Parley
Free Free and open source under the GPL-3.0-only licence.	Free Free and open source as part of the KDE applications.
Linux	Windows, Linux
Native app for the COSMIC desktop Imports Anki decks	Spaced repetition scheduling for reviews Several training modes, including multiple choice and written answers
Linux only and designed around COSMIC Fewer study features than Anki	No mobile apps Desktop interface feels dated next to app-based trainers
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-2.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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