Sustainable Substitutes for Big Tech Writing Assistance

Privacy-friendly alternatives for automated writing assistance.

  • Feasibility: How easily can the average user switch to this substitute? Higher feasibility results in a higher ranking.
  • Editor's Rating: How sustainable is the substitute? The more sustainability attributes it fulfils, the higher it is ranked.

LanguageTool

After the acquisition by Learneo, the product team remains in Germany and text processing still occurs on EU servers, the data controller is now a US-based corporation though. Learneo has faced past concerns about its handling of student data and potential plans to use acquired platforms (like QuillBot) for machine learning purposes, which could imply future data exploitation risks.Source: Inside Higher Ed: Balancing Student Privacy and Open Access (2022)

An open-source writing assistant without reliance on LLMs.

The core version of LanguageTool does not include ads.
LanguageTool’s core functionality is open-source, allowing users to access, modify, and distribute the code.
LanguageTool does not store user text by default, and its privacy policy emphasizes data protection, including GDPR compliance
Basic use of LanguageTool does not require sign-up or registration.
The core version of LanguageTool is free to use, with optional premium features available for a fee.
LanguageTool can be self-hosted on your own server, ensuring that all text processing happens locally and your data never leaves your infrastructure.
The core app can be downloaded and used offline, though some advanced features may require server-side processing.
Website

DeepL

DeepL uses AWS for processing, raising concern about privacy and sovereignty.Source:DeepL: infrastructure and data protection (2026)

DeepL is a German AI-powered translation and writing service known for high-quality translations.

DeepL uses ethical AI practices, ensuring fairness and transparency in its translations.
DeepL is based in Germany, ensuring compliance with GDPR and strong European privacy laws.
DeepL is designed with privacy as a core principle.
DeepL offers a free tier, with optional paid plans for additional features and to support the project.
Does not display advertisements in its interface.
Website

Suggestions and Feedback

If you have suggestions for more alternatives or general feedback, please contact me via email or create an issue over on Codeberg. Suggest Substitute on Codeberg Write an Email