XCWEATHER XCWeather is free weather service for the UK and Europe.
XC Weather XCWEATHERTHE MET OFFICE The free service includes F214, F215, Metars/Tafs. Requires registration.
The Met Office THE MET OFFICESAT24.COM A free weather service with a UK Vis Satellite with many other features.
Sat24.com SAT24.COMUK SURFACE PLOT Free weather service covering the UK, Europe and other countries
UK Surface Plot UK SURFACE PLOTAV BRIEF This site offers some free services available via registration
AvBrief AV BRIEFACCUWEATHER A free service offering up to the minute weather
AccuWeather ACCUWEATHERSKY DEMON LIGHT This site shows a graphical NOTAM display within UK air space.
Sky Demon Light SKY DEMON LIGHTVENTUSKY A free site focusing on weather prediction and meteorological data visualisation
Ventusky VENTUSKY