Free screenreading alternatives
NonVisual Desktop Access (NVDA) - a free and open source screen reader for the Microsoft Windows operating system offering synthetic speech and Braille with multi language support and the ability to run entirely from a USB drive.
System Access to Go - Online screenreader, free, available from any Internet-connected Windows machine
Thunder - award-winning free screenreader talking software for people with little or no sight. It works well with Windows 7, Vista or XP.
WebAnywhere - a web-based screen reader for the web. It requires no special software to be installed on the client machine and, therefore, enables blind people to access the web from any computer that has a sound card.
Text based browsers and screenreader emulators
Fangs - This Mozilla Firefox extension creates a textual representation of a web page similar to how the page would be read by a modern screen reader.
FireVox – Fire Vox is an open source, freely available talking browser extension for the Firefox web browser. Think of it as a screen reader that is designed especially for Firefox. In addition to the basic features that are expected of screen readers, such as being able to identify headings, links, images, etc. and providing navigational assistance, Fire Vox provides support for MathML and CSS speech module properties. It also works on Windows, Macintosh, and Linux.
Lynx - Lynx is a fully-featured World Wide Web (WWW) client for users running cursor-addressable, character-cell display devices (e.g., vt100 terminals, vt100 emulators running on PCs or Macs, or any other character-cell display).
Balabolka - Balabolka is a Text-To-Speech (TTS) program. All computer voices installed on your system are available to Balabolka. The on-screen text can be saved as a WAV, MP3, OGG or WMA file. The program can read the clipboard content, view the text from DOC, RTF, PDF, ODT, FB2 and HTML files, customize font and background colour, control reading from the system tray or by the global hotkeys. Balabolka uses various versions of Microsoft Speech API (SAPI); it allows to alter a voice's parameters, including rate and pitch. The user can apply a special substitution list to improve the quality of the voice's articulation.
Read Please - ReadPlease 2003 (Free Edition) offers full support for all Microsoft voices, reads text via Windows clipboard from any program, Adjustable voice speed (rate) and more...
CliCk Speak (firefox add-on) - CLiCk, Speak is designed for sighted users who want text-to-speech functionality. It has a simplified, mouse driven interface that is designed to be easy for users familiar with point-and-click graphical user interfaces. It works on Windows, Macintosh, and Linux; and Fire Vox has multilingual support, making it great for users who are trying to learn a foreign language and need to hear foreign language web sites read out to them for practice.
Power Talk - PowerTalk is a free program that automatically speaks any presentation or slide show running in Microsoft PowerPoint for Windows. Speech is provided by the synthesised computer voices that are provided with Windows 7, Vista and XP, and other voices are available. PowerTalk uses PowerPoint supplied with Microsoft Office to show the presentation.
Word Talk - A free Windows text-to-speech plugin for Microsoft Word. It will speak the text of the document and will highlight it as it goes. It contains a talking dictionary and a text-to-mp3 converter.
Modified Input Methods
Click-N-Type - Click-N-Type is a virtual keyboard designed for anyone with a disability that prevents him or her from typing on a physical computer keyboard. So long as the person can control a mouse, trackball or other pointing device, he or she can send keystrokes to virtually any Windows application or DOS application that can run within a DOS window. Click-N-Type is a 32 bit application that requires Windows 95 or later.
Let Me Type - LetMeType is word prediction software. Running in the background, it analyzes what you type. After it has collected enough information, it can guess a word after you have typed only the first two or three letters. A list of the most probable words is displayed, and you can select one with a single keystroke or just continue typing. LetMeType allows you to load your own dictionaries and the program will work with most applications, offering completion suggestionsin most any program you happen to be working in.
Display Adjustment tools
CLCSTAR (Firefox Add-on) - CLC STAR allows users to easily set up preferences for how they want pages presented to them in Firefox. Features include enlarging images, changing font size, foreground/background color, and style, enhancing the cursor focus indicator, adjusting line and word spacing, disabling stylesheets, and disabling background images.
iZoom Web - iZoom Web is an advanced, voicing screen magnifier that loads from a web site. It will only work while you are connected to the Web. It has features that compare with popular commercial products such as ZoomText and MAGic.
Developer Tools for Browsers