nonproprietary

/ˌnɑnprəˈpraɪəˌtɛri/
adjective
  1. Not owned or controlled by a particular company; open for anyone to use, modify, or share.
    • Many hospitals prefer nonproprietary medical equipment to avoid expensive service contracts.
    • The artist released her font as a nonproprietary design, allowing anyone to download and adapt it.
    • The school chose nonproprietary software so students could use it at home for free.
Antonyms
What does "nonproprietary" mean? | whatsthatwordmean | whatsthatwordmean