| Greenpacket | Ot-235 Firmware | 1 |
| Otakutoken Project | Otakutoken | 1 |
| Otcms | Otcms | 15 |
| Zte | Otcp Firmware | 1 |
| Otfcc Project | Otfcc | 88 |
| Siemens | Other SIPROTEC 4 Relays | 1 |
| Siemens | Other SIPROTEC Compact Relays | 1 |
| Otmanager | Otmanager | 1 |
| Otmanager | Otmanager Cms | 3 |
| Iskenderaltuntas | Oto Galeri Sistemi | 1 |
| Okulsistem Okul Web | Otomasyon Sistemi | 1 |
| Kmrg-itb | Otomigenx | 2 |
| Otomigenx | Otomigenx | 2 |
| Yubico | Otp | 1 |
| Otp-generator Project | Otp-generator | 1 |
| Otrs | Otrs | 30 |
| Otrs | Otrs Help Desk | 1 |
| Otrs | Otrs Itsm | 5 |
| Otslabs | Otsav Dj | 1 |
| Otslabs | Otsav Radio | 1 |
| Otslabs | Otsav Tv | 1 |
| Otscms | Otscms | 3 |
| Ots Labs | Otsturntables | 1 |
| Inedo | Otter | 3 |
| Unknown | Otter | 3 |
| Ottoman | Ottoman | 1 |
| Ougc Awards Project | Ougc Awards | 1 |
| Ougc Feedback Project | Ougc Feedback | 1 |
| Yokkasoft | Ouieditor | 1 |
| 2coolcode | Our Space | 1 |
| Smartcat | Our Team Showcase | 0 |
| Sz-fujia | Ourphoto | 4 |
| Ourphp | Ourphp | 3 |
| Ourvideo Cms | Ourvideo Cms | 3 |
| Ourvideocms | Ourvideo Cms | 3 |
| WP Cloud Plugins | Out-of-the-Box | 1 |
| Outblaze | Outblaze | 1 |
| Outblaze | Outblaze Email | 1 |
| Morris Bryant, Ruben Sargsyan | Outbound Link Manager | 1 |
| Avaya | Outbound Contact Management | 1 |
| Cththemes | Outdoor | 1 |
| Pocketmags | Outdoor Design And Living | 0 |
| Guardzilla | Outdoor Hd Camera Firmware | 1 |
| Netwavepr | Outdoor Ip Camera Firmware | 1 |
| Fermax | Outdoor Panel Firmware | 0 |
| Outer Cgi Project | Outer Cgi | 1 |
| Outgun | Outgun | 4 |
| Drupal | Outline Designer Module | 1 |
| Microsoft | Outlook | 3 |
| Microsoft Corporation | Outlook | 5 |
| Microsoft | Outlook For IOS | 2 |
| Microsoft | Outlook.com | 0 |
| Microsoft | Outlook Connector | 1 |
| Microsoft | Outlook Express | 22 |
| Microsoft | Outlook Express Book Control | 1 |
| Microsoft | Outlook Rt | 1 |
| Microsoft | Outlook Web Access | 5 |
| Agnitum | Outpost Firewall | 8 |
| Agnitum | Outpost Security Suite | 1 |
| Broadcom | Output Management Web Viewer | 1 |
| Lanifex | Outreach Project Tool | 2 |
| Oracle | Outside In Technology | 137 |
| Oracle Corporation | Outside In Technology | 37 |
| Oracle | Outside In Technology | 21 |
| Outsystems | Outsystems | 3 |
| Jonathon Freeman | Ovbb | 3 |
| Jonathon J. Freeman | Ovbb | 3 |
| Ovbb | Ovbb | 3 |
| Sick | Overall Equipment Effectiveness | 1 |
| Amd | Overdrive | 1 |
| Debian | Overkill | 1 |
| Overkill | Overkill | 2 |
| Linux Kernel | OverlayFS | 0 |
| Overlay Weaver | Overlay Weaver | 1 |
| Openit | Overlook | 1 |
| Gumstix | Overo Sbc | 1 |
| Nttdocomo | Overseas Usage | 1 |
| Jce-tech | Overstock Script | 1 |
| Blizzard | Overwatch | 1 |
| Overwolf | Overwolf | 1 |
| Vmware | Ovf Tool | 1 |
| Cantico | Ovidentia | 10 |
| Ovidentia | Ovidentia | 5 |
| Ovirt | Ovirt | 5 |
| Ovirt | Ovirt-engine | 2 |
| Redhat | Ovirt-engine | 8 |
| Ovirt | Ovirt-engine-cli | 1 |
| Ovirt | Ovirt-hosted-engine-setup | 1 |
| Ovirt | Ovirt-node | 3 |
| Redhat | Ovirt-node | 3 |
| Ovn | Ovn-kubernetes | 2 |
| Oppo | Ovoicemanager | 0 |
| Snap One | OvrC Cloud | 8 |
| Owa | Owa | 1 |
| Owasp-java-html-sanitizer Project | Owasp-java-html-sanitizer | 1 |
| Jenkins | Owasp Dependency-check | 1 |
| Modsecurity | Owasp Modsecurity Core Rule Set | 9 |
| Owasp | Owasp Modsecurity Core Rule Set | 9 |
| Owentechkenya | Owenpoll | 1 |
| Owfs | Owfs | 1 |
