| ShareMyLink | | - | | |
| Semi-Full Screen | | - | | |
| Screen Draw | | - | | |
| Scrapbook X CopyPageInfo | | - | | |
| ScrapBook X MAF Creator | | - | | |
| ScrapBook X File Converter | | - | | |
| ScrapBook X AutoSave | | - | | |
| ScrapBook MAF Creator | | - | | |
| ScrapBook CHM Creator | | - | | |
| SchedTimer | | - | | |
| Save text content to File | | - | | |
| Save Text To File | | - | | |
| Save As eBook | | - | | |
| Safe Zone | | - | | |
| Safe Password | | - | | |
| STS Timer | | - | | |
| SQLite Manager | | - | | |
| SNS Block | | - | | |
| Reminders | | - | | |
| ReminderFox | | - | | |
| Regular Expressions Tester | | - | | |
| Rebrand | | - | | |
| Really Simple Sticky | | - | | |
| RAM Tab | | - | | |
| Quitomzilla | | - | | |
| QuickNote | | - | | |
| Quick Note | | - | | |
| Quick Calculator | | - | | |
| Quick 2048 | | - | | |
| QrCodeR | | - | | |
| Puzzle | | - | | |
| Private Browsing Windows | | - | | |
| Preloader (for Firefox) | | - | | |
| PonPon - Copy and Paste | | - | | |
| Pomodoro Clock | | - | | |
| PlayLink | | - | | |
| Places to CSV | | - | | |
| Phrase Indexer | | - | | |
| Pencil Prototyping | | - | | |
| Passwordgen For Firefox 1 | | - | | |
| Panel Unarrower | | - | | |
| Page Ruler | | - | | |
| Page Memo | | - | | |
| Page Load Count | | - | | |
| Pacman | | - | | |
| PaXaL HTML5 Notifications | | - | | |
| PDF Viewer | | - | | |
| Operator | | - | | |
| OperaView | | - | | |
| Open With Vivaldi Browser | | - | | |
