closed source

adj, noun — 2 senses

closed-source

adjalso spelled closed-source

Etymology From closed + source, in reference to source code.

Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences, Software Whose constituent makeup, or source code, is not made publicly available.

Antonyms: open-source

closed source

noun

Software whose source code is not made publicly available.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for closed-source and closed source.