O or OPEN may refer to:

  • Open (film), a 2011 film
  • Open (sport), type of competition in tennis, golf and other sports where entry is open to qualifiers regardless of amateur or professional status
  • Open...., the original interactive television service on BSkyBs Sky Digital platform
  • Online Protection and Enforcement of Digital Trade Act, a bill in the United States Congress to combat online piracy
  • Organization of Pakistani Entrepreneurs of North America, inclusive, not-for-profit organization
  • The One-Pair Ethernet specification of the OPEN Alliance SIG
  • OPEN Cycle, bicycle manufacturer
  • The German name of Opin in Poland


Mind Open Sheep Wish

“A mind is like a parachute. It doesn't work if it is not open.” [ Frank Zappa ]

"Good judgement seeks balance and progress. Lack of it eventually finds imbalance and frustration."
President Eisenhower
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