Similar to フェラーリ・ドライバー・アカデミー

Openmoko

OpenMosix

OpenRC

OpenRefine

OpenServer

OpenSUSE Project

Optics Express

Optics Letters

Orca (assistive technology)

ORCA (quantum chemistry program)

ORCID

OSDN

OW2

D23 (Disney)

Raspberry Pi Foundation

Access Now

Wikimedia Ukraine

Evolve (professional wrestling)