| Name | Repositories | Stars | Stars this week |
|---|---|---|---|
| OdaiGH | 1 | 15 | 0 |
| OdeToCode | 1 | 250 | 0 |
| OdilonDamasceno | 1 | 7 | 0 |
| OfekShilon | 1 | 125 | 1 |
| OffcierCia | 1 | 1,883 | 0 |
| OfficeDev | 1 | 573 | 1 |
| OkCupid | 1 | 85 | 0 |
| Okerew | 1 | 3 | 0 |
| Olament | 1 | 69 | 0 |
| OldPanda | 1 | 17 | 0 |
| OldhamMade | 1 | 3 | 0 |
| OlegWock | 1 | 45 | 0 |
| Olical | 3 | 2,569 | 8 |
| OliveTin | 1 | 2,034 | 7 |
| OliverBrotchie | 1 | 175 | 0 |
| OlivierC-FR | 1 | 60 | -1 |
| Olivine-Labs | 1 | 515 | 0 |
| OloOcki | 1 | 218 | 1 |
| Oloren-AI | 1 | 96 | 0 |
| OlukaDenis | 1 | 3 | 0 |
| OmG3r | 1 | 9 | 0 |
| Omar-Belghaouti | 1 | 36 | 0 |
| OmarShehata | 2 | 434 | 0 |
| OmarTawfik | 1 | 15 | 0 |
| Ombi-app | 1 | 3,706 | 5 |
| OmegaX1000 | 1 | 10 | 0 |
| OmiSoftNet | 1 | 40 | 0 |
| Omie | 1 | 10 | 0 |
| OmniBTC | 5 | 168 | 1 |
| OmniDB | 1 | 3,165 | 2 |
| OmniSharp | 2 | 1,391 | 0 |
| Onatcer | 1 | 30 | 0 |
| OneBusAway | 11 | 695 | 1 |
| OneDrive | 1 | 101 | 0 |
| OneGet | 1 | 2,378 | -1 |
| OneKeePass | 2 | 290 | 5 |
| OneLoneCoder | 1 | 3,826 | 8 |
| OneMadGypsy | 1 | 17 | 0 |
| OneManCrew | 1 | 3 | 0 |
| OneSignal | 3 | 2,189 | 2 |
| OneWayTech | 1 | 881 | 0 |
| OneWingedShark | 1 | 59 | 0 |
| OnikurYH | 1 | 7 | 0 |
| OnionIoT | 1 | 35 | 0 |
| Onix-Systems | 2 | 790 | 0 |
| OnnoRokomSoftware | 1 | 165 | 0 |
| OnsenUI | 1 | 8,824 | 3 |
| Open-SL | 1 | 47 | 0 |
| Open-Science-Tools | 1 | 46 | 1 |
| Open-Source-Agriculture | 1 | 18 | 0 |