TalkBack!

NonVisual Desktop Access (NVDA) is a free and open source screen reader for the Microsoft Windows operating system. Providing feedback via synthetic speech and Braille, it enables blind or vision impaired people to access computers running Windows for no more cost than a sighted person. Major features include support for 43 languages and the ability to run entirely from a USB drive with no installation.

A screen reader software for computer users whose vision loss prevents them from seeing screen content - JAWS reads aloud what's on the PC screen.Compatible with the most frequently-used workplace and classroom applications.With a refreshable braille display, JAWS also provides braille output in addition to, or instead of, speech. An array of versatile features and customizable options lets you tailor JAWS for your individual needs and preferences.