Links pages used to be a staple for just about every website in the early days of the internet. They've died off a bit in recent years but I still believe a links page contributes something to the web community.
In no particular order for the time being...
Billy Jenkins: South London-based guitarist and composer
Jo Stephenson: Singer, ukulele player and writer of wickedly funny songs
Mark Lockheart: South London-based saxophonist and composer
Loz Speyer: Trumpet player and composer
Huw Warren: Pianist and composer
Eddie Parker: Flute player and composer
Django Bates: Pianist and composer - try out the Flash option on the entry page!
Chris Batchelor: Trumpet player and composer
The Vortex: Jazz club in Dalston, East London
606 Club: Jazz, Latin and R&B club in Chelsea, London
The Arterie: Gallery and picture framers in East Dulwich
Il Fornello: My favourite Italian restaurant in central London
Glen Bexter: Personal website of one of my favourite cartoonists
w3schools: Web design and standards online resource centre
Ky Lewis: South London-based art photographer and teacher specialising in analogue styles
Mr Cad: Aladdin's Cave for photographic equipment and font of photographic knowledge in central London
West End Cameras: Online supplier of specialised film and darkroom services
Clocktower Cameras: Very friendly supplier of photographic equipment in Brighton
Zoingimage: Supplier of ultra-hip Lomography-related products in Brighton
London Alternative Photography Collective: Organisation dedicated to the promotion of alternative photographic techniques