best information portals/tools for those that use public transport in London

Online & mobile tools I use frequently for my london travel:

Online:

Streetview of google maps http://maps.google.co.uk (esp. street view)

Multimap: http://multimap.com

UK government's Transport for london: http://tfl.gov.uk

mobile:

TubeBuddy for blackberry

DLR London - mobile portal

and TFL on mobile

hope this helps,

anything else I missed?