ParkingForMe - Marketplace for listing and renting unused parking spaces
On Air Parking - Ridiculously cheap and simple airport parking.
Parking Kitty - New Product Hunt competitor for parking
Parkmobile - Parkmobile lets you easily pay for on-street and off-street parking right from your mobile device.
Blucar - On-demand parking at the drop of a pin
parkOmator - Avoid parking tickets