OSHHACK 3 [2016-2017] Tel Aviv-Yafo, Israel Apps That Work Non-monetary prizes Dec 21, 2016 – Jan 4, 2017 28 participants
![OSHHACK 3 [2016-2017]](http://d112y698adiu2z.cloudfront.net/photos/production/challenge_thumbnails/000/457/068/datas/medium.jpg)