| Openarena | 1 | 3 |
| Open-iscsi Project | 1 | 3 |
| Open Newsletter | 1 | 3 |
| Opcsystems | 2 | 3 |
| Opcua Project | 1 | 3 |
| Ontraport | 2 | 3 |
| Online School Fees System Project | 1 | 3 |
| Online Reviewer Management System Project | 1 | 3 |
| Online Health Care System Project | 1 | 3 |
| Online Jewelry Store Project | 1 | 3 |
| Online Event Booking And Reservation System Project | 1 | 3 |
| Online Food Ordering System V2 Project | 1 | 3 |
| Online Grading System Project | 1 | 3 |
| Online Catering Reservation System Project | 1 | 3 |
| Online Flight Booking Management System Project | 1 | 3 |
| Online Clothing Store Project | 1 | 3 |
| Onedotoh | 1 | 3 |
| Onepeloton | 2 | 3 |
| One Church Management System Project | 1 | 3 |
| Onedesigns | 2 | 3 |