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

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