| Name | Repositories | Stars | Stars this week |
|---|---|---|---|
| SpoonX | 9 | 344 | 0 |
| SpongePowered | 2 | 1,769 | 6 |
| Spokenvote | 1 | 43 | 0 |
| Splode | 1 | 4,313 | 49 |
| Splitties | 1 | 1,650 | 2 |
| Splidejs | 1 | 326 | 1 |
| Spittal | 1 | 305 | 0 |
| Spinners | 1 | 121 | 0 |
| Spikef | 2 | 617 | 0 |
| SpikeInterface | 1 | 500 | 4 |
| SpikeHD | 1 | 8 | 0 |
| Spiderpig86 | 1 | 1,369 | 1 |
| SpiderLabs | 1 | 4,482 | 7 |
| SpicyPizza | 1 | 413 | 2 |
| Speykious | 1 | 142 | 0 |
| SpexGuy | 1 | 30 | 0 |
| SpencerCDixon | 1 | 882 | -1 |
| Spelt | 1 | 473 | 0 |
| SpellChucker | 1 | 5 | 0 |
| Speiser | 1 | 32 | 0 |
| SpectrumIM | 1 | 408 | 0 |
| SpectralOps | 3 | 923 | 1 |
| SpectralDragon | 1 | 93 | 0 |
| SpectoLabs | 2 | 2,516 | 3 |
| Spectere | 1 | 1 | 0 |
| SpechtD | 1 | 2 | 0 |
| SpecFlowOSS | 1 | 2,240 | 0 |
| SpatiumPortae | 1 | 1,439 | 6 |
| Sparticuz | 1 | 951 | 4 |
| SparkPost | 1 | 44 | 0 |
| Sparell | 1 | 49 | 0 |
| SpacehuhnTech | 3 | 16,207 | 40 |
| SpaceVim | 1 | 20,254 | 12 |
| SpaceCat-Chan | 1 | 9 | 0 |
| SoySauceLab | 1 | 4,395 | -1 |
| Soverance | 1 | 241 | 1 |
| Southclaws | 1 | 159 | 0 |
| SouthbankSoftware | 1 | 869 | 0 |
| SouthEugeneRoboticsTeam | 2 | 31 | 0 |
| SourceDocs | 1 | 393 | 1 |
| Soullivaneuh | 1 | 234 | 0 |
| SorourMo | 1 | 145 | 0 |
| Soreine | 1 | 25 | 0 |
| Sordie | 1 | 1 | 0 |
| Sorcery | 1 | 1,451 | 1 |
| SonyWWS | 1 | 1,891 | 0 |
| SonicRoshan | 3 | 87 | 0 |
| Sonarr | 1 | 10,642 | 36 |
| SonarSource | 6 | 13,100 | 24 |
| SonarSonic | 1 | 344 | 0 |