3. Google Tone/Chirp - URLs can be distributed by sound! Google Tone is an extension to the Google Chrome web browser. It broadcasts URLs by emitting a sound that other Chrome web browsers can understand. They translate that tone to a URL and direct users to that site. This is great for sending a whole class of students to one site quickly. If you're using iPads, the Chirp app does the same thing.
a visual timer for Windows. Free download, gradually reveals an image. free images and sounds
You can probably download to a usb stick and then install on unmanaged computers. I have not tried to make it appear under a student or teacher log in
Science Writer steps students through the process of writing a report with introduction, methods, results, and conclusion sections. Students draft, revise, and edit their report, using just-in-time support from pedagogical agents who offer models and information about how to write each section. They may also access content and editing checklists to help them evaluate their writing and make revisions. And finally, students can use the embedded text-to-speech tool to listen to their writing to see if it "sounds right" and to listen to any of the directions and instructional material, as well as accessing vocabulary definitions. Each student has their own Science Writer account and teach
Talking Clipboard is a text to speech conversion software, that can read, any type of document, whether ePub books, web pages (HTML), CHM, PDF, MS Word, RTF, RSS feeds, scanned image documents, etc. using natural sounding synthetic voices (SAPI 5 compliant) and can convert them to MP3 or WAV audio files for your portable music player.