Crowdsourcing can be used to develop alternative solutions to a problem, to choose the best solution, or both.

Crowdsourcing

The practice of obtaining information or services by soliciting contributions from a large group of people, often from an online community.

Alternative Solutions

refer to different strategies or methods to solve a problem or achieve a goal, aside from the initial or obvious choice.

Best Solution

The most effective or suitable way of solving a problem or dealing with a situation.