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NVDA (NonVisual Desktop Access) is a free, open source screen reader for Microsoft Windows. It is developed by NV Access in collaboration with a global community of contributors. To learn more about NVDA or download a copy, visit the main NV Access website.

Please note: the NVDA project has a Citizen and Contributor Code of Conduct. NV Access expects that all contributors and other community members will read and abide by the rules set out in this document while participating or contributing to this project.

The NVDA project is guided by a product vision statement and set of principles. The vision and principles should be always considered when planning features and prioritizing work.

NVDA is available under a modified GNU General Public License version 2. Please refer to our license for more information.


We would like to extend our sincere gratitude to SignPath for their generous support in providing code signing services to many open source projects, including NVDA. Their contribution helps us maintain the security and integrity of our releases.

NVDA Community

Contributing to NVDA

If you would like to contribute to NVDA, you can read more information in our contributing guide. This includes information on reporting issues, triaging issues, testing, translating, contributing code/documentation and creating add-ons.