I use the public bicycle system of Brussels (Villo) quite a lot to commute. I've written a script that fetches the current status of the stations (number of available bikes & free spots) from https://opendata.brussels.be
In the morning, I get an Android notification about the stations around my home, and in the evening around my workplace.
I did something similar in Montreal (Bixi) a couple of years ago, in order to determine when I had to leave the house so that there was still a bike left at my station to go to uni.
In the morning, I get an Android notification about the stations around my home, and in the evening around my workplace.