nonproprietary

non pro pri e tar y |ˌnänprəˈprīəˌterē ˌnɑnprəˈpraɪəˌtɛri | ▶adjective (esp. 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. • not registered or protected as a trademark or brand name; generic.