Tools for planing your surfing travel and travel in general

Hello everybody!
I like to travel around the world and use certain applications for travel - [unnecessary url removed]. But I never planned surfing vacation and would like to ask you what mobile apps you use for planning your travel?
I like to travel around the world and use certain applications for travel - [unnecessary url removed]. But I never planned surfing vacation and would like to ask you what mobile apps you use for planning your travel?