Crowdfunding without the funding

Solution 1:

Crowdsourcing:

Crowdsourcing is a sourcing model in which individuals or organizations obtain goods and services, including ideas and finances, from a large, relatively open and often rapidly-evolving group of internet users; it divides work between participants to achieve a cumulative result.

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It has also been used by not-for-profit organizations and to create common goods (e.g. Wikipedia).
Wikipedia: Crowdsourcing

Solution 2:

crowdsourcing TFD

A method of outsourcing any work over the internet or similar network by appealing to people(s) to contribute to the project independently or as a collaboration.