Similar to 共和政党「刷新」

Openmoko

OpenMosix

OpenRC

OpenRefine

OpenServer

OpenSUSE Project

Optics Express

Optics Letters

Orca (assistive technology)

ORCA (quantum chemistry program)

ORCID

OSDN

OW2

List of people considered a founder in a humanities field

Hungaria asteroids

Marine Protector-class patrol boat

.243 Winchester

.32 ACP

.45 ACP

1st Special Forces Command (Airborne)

(7335) 1989 JA

Type 01 LMAT

Chinese Submarine 201

(85713) 1998 SS49

Cyclohexa-1,3-diene