closed source

(redirected from Closed source software)
Also found in: Dictionary, Acronyms.
Related to Closed source software: Open Source Software, Proprietary software

closed source

Proprietary software owned by one organization. The term is typically used only in discussions that contrast open source software with proprietary software. See open source and proprietary software.
References in periodicals archive ?
Most of commercial or proprietary software projects are based on closed source software development model (CSSD) (Vidyasagar Potdar & Elizabeth Chang 2004).
Although the information technology (IT) staff of a closed source software consumer can, in keeping with the analogy, touch up paint chips, replace dented bumpers, fix the transmission and handle the occasional blown out tire, it cannot get under the hood.
Enterprises need to become much more proactive, structured and transparent in the way they adopt OSS, and adopt a common adoption model for both OSS and closed source software (CSS).