To manage continued development of NVDA, Curran, along with James Teh, founded NV Access in 2007. Throughout 20, several versions of 0.6 appeared, featuring enhanced web browsing, support for more programs, braille display output, and improved support for more languages. Towards the end of 2006, Curran named his project Nonvisual Desktop Access (NVDA) and released version 0.5 the following year. It provided support for Microsoft Windows 2000 onwards, and provided screen reading capabilities such as basic support for some third-party software and web browsing. It is licensed under the GNU General Public License version 2.Ĭoncerned by the high cost of commercial screen readers, In April 2006, Michael Curran began writing a Python-based screen reader with Microsoft SAPI as its speech engine.

It currently works exclusively with accessibility APIs such as UI Automation, Microsoft Active Accessibility, IAccessible2 and the Java Access Bridge, rather than using specialized video drivers to 'intercept' and interpret visual information. The project was started by Michael Curran in 2006. NonVisual Desktop Access ( NVDA) is a free and open-source, portable screen reader for Microsoft Windows.

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