What does ODF stand for?

What does ODF mean?

ODF	Oregon Department of Forestry Governmental » State & Local
ODF	Optical Distribution Frame Computing » Networking
ODF	Object Definition File Computing » Assembly
ODF	Open Drip Proof Business » Products
ODF	O`Donnell Foundation Community » Non-Profit Organizations
ODF	The Ottawa Dressage Festival Miscellaneous » Unclassified
ODF	Orbit Determination Facility Governmental » NASA
ODF	Open Document Format (Open Office.org) Computing » File Extensions