In my faculty, BarcelonaTech (FIB), I studied the Unified Process (UP) carrying out a project which was based on the "exchange of time". That is, instead of paying a service with money today, would be being able to pay with "time". For example, if I do one hour watering plants, one hour I can pay a locksmith to change me the door.
The project is done in Catalan and is composed of all parties must contain a Unified Process: Business Case, Requirements Specification, Glossary, Software Development Plan, Iteration Plan, Risks and Vision. P I did this work together with three university mates: Victor Perez, Pere Bergé and Arnau Miralles. I leave the Linkedin profile of the first one.
Thank you for your time and enjoy it!