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Lokalize vs Qt Linguist: catalog facts
Lokalize	Qt Linguist
Best for: Translators working on KDE and other software projects	Best for: Translators working on applications built with Qt
Free Free and open source under the GPL-2.0-or-later license.	Free Free on Flathub; licensed under LGPL-3.0-only.
Linux	Linux
Supports software localization workflows Can translate OpenDocument files through XLIFF	Edits translation catalogs for Qt applications Available as a standalone desktop app
Windows builds are distributed through KDE’s CI package registry.	Focused on Qt application translations
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: LGPL-3.0-only
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Lokalize userbase.kde.org/Lokalize Catalog checked October 8, 2026	Official website Full listing and sources Sources for Qt Linguist flathub.org/apps/io.qt.Linguist Catalog checked October 8, 2026

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