Co-op - Find interesting things to do with like-minded people
Zeshion - Coaching by the top action sports experts
Activities Mapper - Find things to do, eat, and drink near you in London
Briskby - Briskby allows people to connect to a diverse, convenient & planet-friendly way to access fitness/action sports.Make money from your idle gear/home-gym, help someone get active, and keep stuff out of landfills.
Interests - Explore your interests
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.