Programming
Scratch
Kodu
Lego Wedo
Turtleart

Computing organisations
Computing at School
Computing at School community 
Code Club
Code.org (great scratch-style angry birds activities)

Search engines
Searchypants safe search

E-safety
See the e-safety section

Other links
NEN (National Education Network)
Audio Networks
National Strategies Archive
Naace (including ICT Mark Framework)
An overview of Google searches
Government datasets
Guardian dataset