Development

LanguageTool’s core functionality is open source. Anyone can set up their own LanguageTool server locally or in the cloud. Furthermore, we are looking for contributions to further improve our proofreading technology.

How to use LanguageTool as a developer

Improving LanguageTool

LanguageTool is an Open-Source project, and we’re looking forward to your contributions.

Funding by the European Union

Europäische Union

Europäische Struktur- und Investitionsfonds

European Union

European Social Fund

Land BrandenBurg

Ministerium für Arbeit, Soziales, Gesundheit, Frauen und Familie

The European Union and the European Regional Development Fund (ERDF) support this project by providing funding. They support the development of error detection algorithms in multilingual texts, and the development of our browser add-ons and website.

Supported by the Ministry of Social Affairs, Health, Integration, and Consumer Protection from funds of the European Social Fund, who subsidize the development of our style checker. You can find information about the ESF at esf.brandenburg.de.

Open Source Community

Here, we would like to honor and thank all developers who have contributed to the LanguageTool open-source project over the past 18 years:

Core Team

Andriy Rysin, Christopher Blum, Daniel Naber, Dominique Pellé, Ebrahim Byagowi, Elanjelian Venugopal, Fred Kruse, Jan Schreiber, Jaume Ortolà, Juan Martorell, Konstantin Ladutenko, Marcin Miłkowski, Marco A.G.Pinto, Markus Brenneis, Matheus Poletto, Matthias Mailänder, Mike Unwalla, Panagiotis Minos, Paolo Bianchini, Robin van der Vliet, Ruud Baars, Stefan Lotties, Xavi Ivars, Yakov Reztsov

Contributors

Agnese Dal Borgo, Agnes Souque, Albert Jané, Albrecht Müller, Alexander Socop Arango, Alex Buloichik, Alireza Eskandarpour Shoferi, Allan Borra, Ankit, Annika Nietzio, Anton Karl Ingason, Arle Lommel, atrons, Camille Moulin, Caolán McNamara, Chase Tingley, Christopher Blum, Dawid Weiss, Dean Doscher, Denis Arnaud, Derek M Jones, Dmitri Gabinski, Edward Sanford Sutton, Eike Rathke, Elena Cejas, Eleonora, Esben Aaberg, Fabio Rainone, Felix Sasaki and his students, Fulup Jakez, Heikki Lehvaslaiho, Henrik Bendt, Hiroki Yatsu, Hugo Voisard, Ilona Kuzmickaja, Ionuț Păduraru, Irvine, jab, D. Jentsch, Jarek Lipski, Jimmy O'Regan, Jitesh V. S., John Andrews, Jordi Mas, Joseph Monfort, Jozef Licko, Julian von Heyl, Julia Semenenko, Kevin Scannell, Kira Goncharova, Kumara Bhikkhu, Maksym Davydov, Mantas Kriaučiūnas, Martin Srebotnjak, Matúš Matula, Maxim Mozgovoy, metal3d, Metathesis, Michael Baumann, Michael Bryant, mik09, Mike Detwiler, Mike Unwalla, Mikhail Korobov, Mikkel Thomsen, Mility, Milos Sramek, Nathaniel Oco, Nathan Wells, Nick Hough, Niki Hansche, Niklas Johansson, NOKUBI Takatsugu, Oliver Schlöbe, Olivier R., OpenTaal, paolobenve, Andreas "PAX" Lück, Pere Farrando, Peter Lawrence, Petra Galuscakova, Petr Mladek, Philipp Wiesemann, Philippe Basciano-Le Gall, PhilippeW, Radovan Garabík, Ramon Torrents, Rémy Léone, Reza1615, Ricardo Joseh Lima, Ricard Roca, Riccardo Murri, Richard Eckart de Castilho, rob144, Salino01, Sander van Geloven, Serkan Kaba, Shameera, Silvan Jegen, Sławek Borewicz, Srinath Warrier, Stefan Carpentier, sumit, Susana Sotelo Docio, TaalTik, Takahiro Shinkai, Tao Lin, Thai, Tiago F. Santos, thatkookooguy, Thierry Vignaud, Thomas Menari, Tugdual Kalvez, uma, Viljar, Vincent Maubert, Wolfgang Lenhard, Xesús González Rato, yeryry, Zdenko Podobný

Thanks to