| Scytl | 1 | 4 |
| Sd Studio | 1 | 1 |
| Sdcms | 1 | 5 |
| Sddm Project | 1 | 5 |
| Sdg | 1 | 2 |
| Sdgc | 1 | 2 |
| Sdl | 2 | 8 |
| Sdo | 1 | 1 |
| Sdp Multimedia | 1 | 1 |
| Sdr22 Project | 1 | 1 |
| Sds Project | 1 | 2 |
| Se | 1 | 6 |
| Se-ed | 1 | 2 |
| Se Html5 Album Audio Player Project | 1 | 1 |
| Seacms | 1 | 47 |
| Seacms Project | 1 | 47 |
| Seafile | 4 | 7 |
| Seagate | 16 | 41 |
| Seaglass Technologies Inc. | 1 | 1 |
| Seagull Software Systems | 1 | 1 |
| Seagullproject.org | 1 | 3 |
| Seal Finance Project | 1 | 1 |
| Sealevel | 1 | 11 |
| Sealevel Systems, Inc. | 1 | 1 |
| Seamcms | 1 | 47 |
| Seamons | 1 | 1 |
| Sean Barton (Tortoise IT) | 1 | 1 |
| Sean-barton | 1 | 1 |
| Sean Macguire | 1 | 4 |
| Sean Robertson | 2 | 4 |
| Seanox | 1 | 2 |
| Seapine Software | 1 | 2 |
| Search | 1 | 2 |
| Search-guard | 1 | 1 |
| Search.cpan | 1 | 2 |
| SearchBlox | 1 | 5 |
| SearchWP, LLC | 1 | 1 |
| Search Api Autocomplete Project | 1 | 1 |
| Search Enhanced | 1 | 1 |
| Search Everything Project | 1 | 4 |
| Search Exclude Project | 1 | 1 |
| Search Meter Project | 1 | 1 |
| Searchactivity | 1 | 1 |
| Searchblox | 1 | 12 |
| Sears | 1 | 1 |
| Seasar | 1 | 2 |
| Seaside Enterprises | 1 | 1 |
| Seasofsolutions | 1 | 8 |
| Seat-reservation-system Project | 1 | 1 |
| Seat Reservation System Project | 1 | 2 |
| Seatd Project | 1 | 2 |
| Seatle Lab Software | 1 | 7 |
| Seattle Lab Software | 4 | 15 |
| Seattlelab | 1 | 7 |
| Seawell Networks | 1 | 3 |
| Seawolftech | 1 | 1 |
| Sebastian Krysmanski | 1 | 1 |
| Sebastian-thiele | 1 | 1 |
| Sebastian Baumann | 2 | 2 |
| Sebastian Bunka | 1 | 2 |
| Sebastian Dehne | 1 | 1 |
| Sebastian Fernandez | 1 | 1 |
| Sebastian Heinlein | 1 | 3 |
| Sebastian Kienzl | 1 | 1 |
| Sebastian Marsching | 1 | 1 |
| Sebastian Winterhalder | 1 | 3 |
| Sebastien Corbin | 1 | 1 |
| Seber | 1 | 1 |
| Sebflipper | 1 | 1 |
| Sebrac | 1 | 1 |
| Sebrac.webcindario | 1 | 1 |
| SecDev | 1 | 1 |
| Sec Project | 1 | 1 |
| Secdo | 1 | 3 |
| Seceon | 1 | 1 |
| Secheron | 1 | 7 |
| Secluded | 1 | 4 |
| Secnet | 1 | 1 |
| Secoin Project | 1 | 1 |
| Secomea | 5 | 49 |
| Secomea GateManager All Versions Prior To 9.2c | 1 | 1 |
| Second2none | 1 | 1 |
| SecondLineThemes | 1 | 1 |
| Second Rule Llc | 1 | 2 |
| Second Sight Software | 2 | 2 |
| Secondfiction | 2 | 2 |
| Secondline | 1 | 1 |
| Secp256k1-js Project | 1 | 1 |
| Secretarycms | 1 | 1 |
| Secretcircle | 1 | 1 |
| Secretwars | 1 | 4 |
| Sectoken Project | 1 | 1 |
| Sectona | 1 | 7 |
| Secu | 1 | 1 |
| Secudos | 3 | 5 |
| Secuever Co.,Ltd | 1 | 1 |
| Secunia | 1 | 1 |
| Secure-bytes | 1 | 1 |
| Secure-endpoints | 1 | 1 |
| SecureBrain Corporation | 3 | 3 |
