NHS Every Mind Matters
YoungMinds Crisis Messenger -text YM to 85258.
(Free texts on EE, O2, Three and Vodafone (which includes BT Mobile, Tesco Mobile, Virgin Mobile, iD Mobile, Sky, Telecom Plus, Lebara and GiffGaff))
NHS 10 minute shake-up
Also look for the Weobot self care app and ThinkNinja which is an NHS approved app for 10-18 year olds.