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Translate Toolkit vs Tolgee: catalog facts
Translate Toolkit	Tolgee
Free Free and open source under the GPL-2.0-or-later license.	Freemium The hosted service has a free plan with usage limits; paid plans are also available.
Windows, macOS, Linux, Command line	Web, Self-hosted, Command line
Converts many localization file formats Includes translation quality and progress checks	Edit translations in the running app Supports collaborative localization workflows
Requires Python 3.11 or newer	The hosted free plan limits words, machine translation credits, and seats
Downloadable app	Web application, Self-hosted, Hosted service
Open source	Open source
License: GPL-2.0-or-later	License: Apache-2.0
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 Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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