Letter: O
- ogmrip - DVD ripping and encoding graphical user interface
- ogmrip-devel - Development files for ogmrip
- omnibook - Common files for omnibook-kmod
- open-vm-tools - VMware Guest OS Tools
- open-vm-tools-devel - Development package for open-vm-tools
- open-vm-tools-libs - Libraries for open-vm-tools
- opencore-amr - OpenCORE Adaptive Multi Rate Narrowband and Wideband speech lib
- opencore-amr-devel - Development files for opencore-amr
- osmose - A Sega Master System / Game Gear emulator