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Parolu vs Speech Note: catalog facts
Parolu	Speech Note
Free Free and open source under the GPL 3.0 or later.	Free Free and open source under the Mozilla Public License 2.0.
Linux	Linux
Simple interface for reading text aloud Includes Esperanto voices out of the box	Speech recognition, speech synthesis and translation all run offline Wide choice of engines, including Whisper, Piper and Kokoro
Voices for most languages must be downloaded first Project documentation is mainly in German	Linux and Sailfish OS only Models must be downloaded separately and can be large
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MPL-2.0
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 October 1, 2026	Official website Full listing and sources Checked September 26, 2026

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