"The debate over digital learning will soon enter a new phase. No longer will educators debate whether or not digital learning has the capacity to transform the American education system. Just about gone are the anti-technology Luddites who insist that every classroom be self-contained, with students and teachers left to their own devices, save for the help of pencils, chalk, blackboards and weighty textbooks stuffed into 10 kilo backpacks." - from ISTE about the need for the new Mobile Learning Group.
Flashcard Exchange works much like Quizlet but with a slightly cleaner interface. Students can create flashcards with images or their own text and then test themselves. Flashcards can be published and shared as well. It does work with some apps for review on mobile devices.
Created by the people who made Vimeo, DIY is an open tool for kids to make their own digital portfolios and for parents to have a login to the account. Using the app and the web, kids can save all that they create. This is definitely worth exploring when thinking about extended learning environments.
"A simple Decimal/Roman number converter that will calculate whole numbers from 1 through 3,999,999. Additionally, there is a Quiz mode that quizzes the user - available in either decimal or roman numeral mode."
This free graphic calculator can also serve as a Scientific Calculator, has graphing capabilities, offers a unit converter, and can create a table of functions from values entered. It also has a set of references for formulas.
This is an interesting take on eBooks for pre-school children. Though not free, the app includes audio books, games, and the ability to send a custom report on the students' progress.
If you are looking for a way to read lots of blogs and web sites from your iPad or iPhone, Google Currents could help. It is an RSS reader that saves content for off-line reading.