Socrative
Socrative is a smart student response system that empowers teachers to engage their classrooms through a series of educational exercises and games via smartphones, laptops, and tablets.

Edmodo
Edmodo provides teachers and students a secure place to connect and collaborate, share content and educational applications, and access homework, grades, class discussions and notifications. Our goal is to help educators harness the power of social media to customize the classroom for each and every learner.

Mentimeter
Free and easy to use audience response system.

SurveyMonkey
Online survey tool.

Blooms Taxonomy Apps for Android
Kathy Schrock has produced a link to 36 Android apps linked to Blooms Taxonomy (you need to scroll down to the 3rd chart on the page)

DigiT&L
The Edinburgh Council Digital Team blog, with useful resources and information about 1:1 implementation.

Bloom's Taxonomy for iPad
Using iPad games in the classroom
iPad Apps for School
Mark Anderson (ICT Evangelist) blog