http://www.bbc.co.uk/schools/ks3bitesize/  - revise all aspects of reading, writing and speaking and listening
http://www.bbc.co.uk/skillswise/   - games and worksheets aimed at 16+
http://www.bbc.co.uk/raw/words/story_writing/ - storywriting tips
http://www.skillsworkshop.org/other.htm - printable literacy resources
http://www.what2learn.com/examgames/literacy/ - interactive literacy games
http://www.keyskills4u.com/tests/ - practice tests for Key Skills Level 1 and 2