Primary Care information systems: EMIS (Egton Medical Information Systems) is "the UK’s leading IT supplier in primary healthcare, hosting over 33 million electronic patient records (EPRs) within its systems. Around 55 per cent of doctors in the UK currently use EMIS software each day."

Mentor: "diagnostic support and up to date medical reference" for primary care doctors and nurses. Available online and for Palm handhelds to "assist with patient investigation, diagnosis, management and continuing care, further reference and personal education".

Mentor provides, for example, support for differential diagnosis and prescribing. Clinical Evidence from the BMJ is full integrated into Mentor.