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.

A device used to remove the cap from a bottle / A device used to remove the cork from a bottle

(transitive) To release the source code of.

(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.

Alternative form of open-source

(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.

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.

Alternative form of can opener