Similar to Fischertechnik
OpenRefine
OpenRefineOpenServer
OpenServer
OpenShift
OpenShift
OpenSUSEプロジェクト
OpenSUSE ProjectOptics Express
Optics Express
Optics Letters
Optics Letters
Orca
Orca (assistive technology)
ORCA (量子化学プログラム)
ORCA (quantum chemistry program)