รหัสเปิด(rà-hàt bpèrt)

unlock code; passcode; access code

a code (numbers or letters), such as a PIN or passcode, used to unlock or gain access to something, like a phone, a door, or a safe.

open-source (software)

describing software whose source code is publicly available for use, modification, and distribution

open source (model/practice)

the model or practice of making source code or designs openly accessible