The collaborative design of things, especially of open source software, through use of publicly shared design information.

Crowdsourcing.

present participle of open

Pertaining to the start or beginning of a series of events.

An act or instance of making or becoming open. / A gap permitting passage through. / An act or instance of beginning. / The first performance of a show or play by a particular troupe.

Acronym of Organization of Petroleum Exporting Countries.

A mind willing to consider new ideas.

Willing to consider new and different ideas or opinions.

open up (especially referring to doors)

Any successful means of achieving a result, especially means that are magical or technical, or otherwise beyond the understanding of most people.