Daiya is a crowd sourced delivery web app written in Ruby on rails. Basically it’s 2 sided platform which bridges between shipper and traveler. Web is live at - Daiya
Things you may interest:
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Can login with facebook (implemented oauth fb-as a provider)
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Can provide location information (Google Maps GEO API)
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Can save photos (backed by AWS s3)
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Much more - see gemfile and commits
Since I created this last year, some gems might be outdated. And since front-end part looks horrible, git pull requests are more welcome than anything!