| Name | Repositories | Stars | Stars this week |
|---|---|---|---|
| OsmiCSX | 1 | 271 | 0 |
| Ostralyan | 1 | 24 | 0 |
| Otbivnoe | 4 | 978 | -1 |
| OtterBrowser | 1 | 1,804 | 1 |
| Ottootto2010 | 1 | 3 | 0 |
| Ouri028 | 1 | 5 | 0 |
| OutOfTheVoid | 1 | 5 | 0 |
| OutWatch | 1 | 34 | 0 |
| OuterlimitsTech | 1 | 1 | 0 |
| OutpostHQ | 1 | 336 | 0 |
| OutpostUniverse | 1 | 107 | 0 |
| OvalMoney | 1 | 343 | 0 |
| OverZealous | 1 | 962 | 0 |
| Overbryd | 2 | 21 | 0 |
| Overcoat | 1 | 1,098 | 0 |
| OverloadUT | 1 | 150 | 0 |
| OvermindDL1 | 2 | 628 | 0 |
| Overtorment | 1 | 314 | 0 |
| Overv | 1 | 3,146 | 6 |
| OvidijusParsiunas | 2 | 1,648 | 5 |
| OwlCarousel2 | 1 | 7,909 | 5 |
| Owloops | 1 | 204 | 4 |
| OwnLocal | 1 | 31 | 0 |
| Owumaro | 1 | 27 | 0 |
| Oxalide | 1 | 215 | 0 |
| Oyun-Teknolojileri | 1 | 134 | 0 |
| P-H-C | 1 | 4,784 | 5 |
| P0ppoff | 1 | 10 | 0 |
| P1X-in | 1 | 221 | 3 |
| P1kachu | 2 | 477 | 1 |
| P233 | 2 | 301 | 0 |
| P3GLEG | 1 | 1,056 | 2 |
| P3trur0 | 4 | 256 | 2 |
| P4Cu | 1 | 2 | 0 |
| PAIR-code | 1 | 907 | 2 |
| PANTHEONtech | 1 | 134 | 2 |
| PANmedia | 1 | 533 | 0 |
| PAYONE-GmbH | 1 | 28 | 0 |
| PCSX2 | 1 | 11,567 | 49 |
| PDAL | 1 | 1,124 | 2 |
| PDF-Archiver | 1 | 300 | 1 |
| PDMLab | 1 | 78 | 0 |
| PEZ | 1 | 206 | 0 |
| PGM-Lab | 1 | 146 | 0 |
| PGSSoft | 2 | 768 | 0 |
| PHP-CS-Fixer | 1 | 12,810 | 20 |
| PHP-DI | 1 | 175 | 0 |
| PHPCSStandards | 2 | 1,452 | 11 |
| PHPCheckstyle | 1 | 164 | 0 |
| PHPCompatibility | 1 | 2,169 | 3 |