pen raphics ibrary (Engine) See: OpenGL

abrv. "OpenGL"

Oh Great Leader. Someone with years of experience who spends most of his/her time reviewing books, finding routes, trip planning & lead climbing but little time helping around the campsite. The master who holds the rack. aka - Climbing BUM. On Sundays we call him Oh Great Lord.

Open General Licence

OGL is an acronym with multiple meanings.