Exam boards, courses and DfE links
OCR Nationals
Cambridge Nationals
CiDA
Creative i-Media
Edexcel
OCR
AQA
Recognised qualifications for 2014 performance measures
Recognised qualifications for 2015 performance measures
Recognised qualifications for 2016 performance measures
JCQ

Text based programming languages
Greenfoot
KidsRuby
Javascript
Small Basic 
Visual Basic
Python

Other programming
Kodu
Scratch
Lego Mindstorms
Alice
Game Maker
Gamestar Mechanic
Textadventures
Code.org

App design
MIT App inventor
RSE APP inventor resources
Appshed
App Furnace

Other useful resources and links
Codecademy
Cs4fn
Progranimate
Snake wrangling for kids (a Python guide)
Rur-ple (learning Python with a robot!)
Computing at School
Computing at School community 

E-safety
See the e-safety section

Other links
NEN (National Education Network)
Audio Networks
National Strategies Archive
Naace (including ICT Mark Framework)

If you' like a fun introduction to programming in Year 7 then you could consider LightBot 2.0