Open source alternatives to DeepL

One project on starwire does the same job. Ranked by how much of what DeepL does each one covers, read from its README and website. Ties go to the most active.

What DeepL does

Translate text between languagescore
Natural sounding translationscore
Document translation
Writing improvements
Glossaries
Translation API
Desktop apps

Each dot in the table is one job, in this order. Square dots are core jobs and count double. Full means yes, half means partly. "See the evidence" under a project shows the line behind each one. Coverage is what a project documents, not how well it works or how hard it is to move to. How we score this

Project	Covers	Stars	Commits, 12 weeks	Last release	Closed vs opened	Setup	License
gemma-translatorTranslation tool built on Gemma models	Same job, different way17%	1.7k+10	0	None	Too few	Runs in a browser	Apache-2.0
Covers 0 of 2 core jobs. Partly: Translate text between languages; Translation API. Not shown: Natural sounding translations; Document translation; Writing improvements; Glossaries; Desktop apps.See the evidence Translate text between languagescorePartlytranscribed (Moonshine STT), translated (Gemma) Natural sounding translationscoreNot shownNeither the README nor the website mentions it. Document translationNot shownNeither the README nor the website mentions it. Writing improvementsNot shownNeither the README nor the website mentions it. GlossariesNot shownNeither the README nor the website mentions it. Translation APIPartlya Python API server Desktop appsNot shownNeither the README nor the website mentions it.

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