Fitz gives you information about bike sharing stations! It knows about available bikes and empty slots in stations from cities all over the world, so open the app and see if your city is in the list.
It gives you stations on a map, with distances based on your current location.
If you lose connectivity, it keeps working. Of course the information can get outdated!
Get navigation instructions to a station in Google Maps.
Mark the stations you use often as favorites, so you can quickly access them.