| Secureideas | 2 | 18 |
| Securekit | 1 | 1 |
| Securemoz | 1 | 2 |
| Securenvoy | 3 | 10 |
| Secureol | 1 | 1 |
| Securepoint | 1 | 3 |
| Securew2 | 1 | 1 |
| Securifi | 8 | 80 |
| Securimage-wp-fixed | 1 | 2 |
| Securimage-wp-fixed Project | 1 | 2 |
| Securitashome | 2 | 4 |
| Security Questions Project | 1 | 1 |
| Security Roots Ltd | 1 | 1 |
| Security-framework Project | 1 | 1 |
| Securitycamera | 1 | 1 |
| Securityonion | 1 | 3 |
| Securityonionsolutions | 1 | 1 |
| Securonix | 1 | 2 |
| Securstar | 1 | 1 |
| Secustar | 1 | 1 |
| Secustick | 1 | 1 |
| Secutech Project | 6 | 6 |
| Secuwiz | 1 | 1 |
| Secuwiz Co., Ltd | 2 | 2 |
| Seczetta | 1 | 2 |
| Sedlex | 1 | 2 |
| See-commerce | 1 | 1 |
| Seeblick | 1 | 1 |
| Seeddms | 1 | 29 |
| Seedprod | 3 | 3 |
| Seeds | 1 | 5 |
| Seeds Co.,ltd. | 1 | 2 |
| Seeftl Project | 1 | 1 |
| Seelook | 1 | 1 |
| Seeon | 1 | 1 |
| Seesaw | 1 | 1 |
| Seeyon | 1 | 1 |
| Sefrengo | 1 | 4 |
| Sega | 2 | 2 |
| Segger | 1 | 1 |
| Segment | 1 | 1 |
| Segue Cms | 1 | 6 |
| Segue Project | 1 | 2 |
| Seh | 1 | 1 |
| Seiko Epson Corporation | 3 | 4 |
| Seiko-sol | 6 | 44 |
| Seil | 11 | 35 |
| Seir Anphin | 1 | 1 |
| Sejoong Namo | 2 | 4 |
| Sela Project | 1 | 9 |
| Selbstzweck | 1 | 2 |
| Select Development Solutions | 2 | 2 |
| Select Your College Script Project | 1 | 1 |
| Select-themes | 2 | 3 |
| Select2 | 1 | 1 |
| Selectize-plugin-a11y Project | 1 | 1 |
| Selena Sol | 2 | 2 |
| Selenium | 1 | 3 |
| Selenium-chromedriver Project | 1 | 1 |
| Selenium-portal Project | 1 | 1 |
| Selenium-standalone-painful Project | 1 | 1 |
| Selenium-wrapper Project | 1 | 1 |
| Seleniumhq | 1 | 1 |
| Self Drive Rental Project | 1 | 1 |
| Selfget | 1 | 1 |
| Selinc | 11 | 73 |
| Seling | 1 | 10 |
| Selinux | 1 | 7 |
| Selinux Project | 2 | 12 |
| Selinuxproject | 1 | 3 |
| Sellatsite | 2 | 3 |
| Sellatsite.com | 1 | 2 |
| Selom Ofori | 1 | 4 |
| Sem-cms | 1 | 35 |
| Semadatacoop | 1 | 1 |
| Semaintoken Project | 1 | 1 |
| Semantic-release | 1 | 2 |
| Semantic-release Project | 1 | 2 |
| Semanticforms Project | 1 | 2 |
| Semanticscuttle | 1 | 5 |
| Semantictitle Project | 1 | 1 |
| Semcosoft | 1 | 1 |
| Semi | 1 | 1 |
| Semper Invicta Fitness Project | 1 | 1 |
| Semperfiwebdesign | 1 | 4 |
| Semperplugins | 1 | 4 |
| Semtech | 2 | 3 |
| Semver-regex | 1 | 2 |
| Semver-regex Project | 1 | 2 |
| Senao | 1 | 1 |
| Senatorinn | 1 | 1 |
| Sencha | 2 | 69 |
| Sencisho Project | 1 | 1 |
| Send Project | 1 | 1 |
| Send-anywhere | 1 | 1 |
| Sendcard | 1 | 6 |
| Sendfile | 1 | 1 |
| Sendgrid | 1 | 1 |
| Sendinblue | 1 | 4 |
| Sendio | 1 | 3 |
