non-proprietary
/ˌnɒnprəʊˈpraɪtərɪ/adjective
1- (especially of computer hardware or software) conforming to standards that are in the public domain or are widely licensed, and so not restricted to one manufacturer（尤指电脑硬件和软件）非专用的。
1.1
- not registered or protected as a trademark or brand name; generic.非（商标、品牌）专有权的; 普通的。