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.

(software) Of or relating to a product which is licensed to permit modifications and redistribution of its source code, as per The Open Source Definition.

(transitive) To release the source code of.

(software) The practice of providing open-source code for a product. / (software) Open-source software in general. / (espionage) Information that is in the public domain and available to everybody.

Alternative form of open-source

Unrestricted by definite limits. / Adaptable to change. / Permitting a spontaneous or unstructured response.

(obsolete) Talkative; eager to speak. / With the mouth open. / Gaping in surprise, wonder or astonishment.

Done with the hand open rather than clenched / Liberal and generous. / Frank, honest, and tolerant. / Characterized by looseness and fullness.