nonproprietary
- a not protected by trademark or patent or copyright
nonproprietary products are in the public domain and anyone can produce or distribute them
- And its libertarian culture is devoted to open--that is to say, nonproprietary--standards, none of which were set by Microsoft.
- Because he believes most nonproprietary shopping agents aren't yet ready for prime time.
- And he more than anyone else has fought to keep it open, nonproprietary and free.