| Reminders | | - | | |
| SNS Block | | - | | |
| SQLite Manager | | - | | |
| STS Timer | | - | | |
| Safe Password | | - | | |
| Safe Zone | | - | | |
| Save As eBook | | - | | |
| Save Text To File | | - | | |
| Save text content to File | | - | | |
| SchedTimer | | - | | |
| ScrapBook CHM Creator | | - | | |
| ScrapBook MAF Creator | | - | | |
| ScrapBook X AutoSave | | - | | |
| ScrapBook X File Converter | | - | | |
| ScrapBook X MAF Creator | | - | | |
| Scrapbook X CopyPageInfo | | - | | |
| Screen Draw | | - | | |
| Semi-Full Screen | | - | | |
| ShareMyLink | | - | | |
| Shim Storage | | - | | |
| ShinkeiSuijaku | | - | | |
| Simple Text Editor | | - | | |
| Simple Timer | | - | | |
| Simple Timer + Clocks | | - | | |
| Simple-Calculator | | - | | |
| Slow Startup Logging | | - | | |
| Splash | | - | | |
| Sticky Notes | | - | | |
| Sticky Notes by TSL | | - | | |
| Sticky Plus Highlighter | | - | | |
| Stopwatch | | - | | |
| Stylish Developer Tool | | - | | |
| Stylish New Userstyle Button | | - | | |
| Stylish Tools | | - | | |
| Stylish-Custom | | - | | |
| Sun Cult | | - | | |
| Super Mario Browser | | - | | |
| System Monitor | | - | | |
| Tab Notes | | - | | |
| Tab Scope Tweaker | | - | | |
| TagSpaces | | - | | |
| TaggingNotes | | - | | |
| Take A Break | | - | | |
| Tamper Data Icon Redux | | - | | |
| Tangerinefox Extras | | - | | |
| Tangofox Extras | | - | | |
| Task Information Collections | | - | | |
| Tea Timer | | - | | |
| Tetris in Popup | | - | | |
| Text Holder | | - | | |
