I have featured many apps where crowdsourcing or municipality data helps find a parking space. But Israel’s Spaceek uniquely uses road reflector sensors to detect one. It alerts relevant drivers and the first to “select” the space has a few minutes to reach the spot before the alert resumes.

http://www.timesofisrael.com/waze-of-parking-app-guides-drivers-to-a-free-space/