A comprehensive list of software applications that can be projected using an iPad 1 from a Wiki containing lots of information about pedagogical uses for iPads.
The Texas Computer Education Association's compilation of 1,000 iPad applications broken down by subject area and specific subcategories. The TCEA apparently tests thousands of applications and gives these recommendations for both paid and free software.
Application for iPad that gives the device the traditional tools that the software for a SmartBoard or similar device would have including screen snapshot, annotation tools, drawing tools, and more.
Mobile learning devices offer students a wide range of "on the go" opportunities to extend, enrich, and enhance classroom instruction. There are numerous educational apps available for iPod Touch and iPad for all subjects and grade levels.