LanguageTool

LanguageTool

LanguageTool is a German AI-assisted grammar and spell checker for more than 30 languages with an open-source core.

GermanyOpen SourceFreemium

About LanguageTool

LanguageTool is a grammar and spell checker from Germany that covers more than 30 languages with AI support. The project began in 2003 as an open-source effort and today offers browser extensions, desktop apps and an API for writing assistance. The core technology is released under the LGPL 2.1 and can also be run on your own servers. The GitHub project has around 14,100 stars. According to the company, millions of people use it every day, including large organisations such as BMW Group and institutions of the European Union. LanguageTool is seen as an alternative to Grammarly and Ginger.

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