| Date Today | | - | | |
| Date Picker／Calendar | | - | | |
| CuteMenus Classic Mod | | - | | |
| CuteButtons | | - | | |
| Customizations for Adblock Plus | | - | | |
| CustomBench | | - | | |
| Create Shortcut | | - | | |
| Crash Me Now! Advanced | | - | | |
| CountdownClock | | - | | |
| Countdown Timer | | - | | |
| Count Words | | - | | |
| Count Word n Character | | - | | |
| Copy URL on Mouse Over | | - | | |
| Copy Extensions to Clipboard | | - | | |
| Converter | | - | | |
| Containerise | | - | | |
| Confuscator! | | - | | |
| Clipboard Inserter | | - | | |
| ClipMon | | - | | |
| ChmFox | | - | | |
| ChatZilla | | - | | |
| Change Hosts | | - | | |
| Catch The Color | | - | | |
| CalenDate | | - | | |
| Calculator (968423) | | - | | |
| Calculator | | - | | |
| CPU Usage Monitor | | - | | |
| CLEO | | - | | |
| CCK Wizard | | - | | |
| Browsizer | | - | | |
| Browsing Timer | | - | | |
| Boss Key-and-Buttons | | - | | |
| Board： Papier for Firefox | | - | | |
| BlockNote | | - | | |
| Bits2Bytes | | - | | |
| Binary Converter | | - | | |
| Big theme | | - | | |
| Big Clock Background | | - | | |
| Basic percentage Calculator | | - | | |
| Basic Calculator | | - | | |
| Base64 ⇒ Encoder | | - | | |
| Base64 Encoder | | - | | |
| Barrel Roll | | - | | |
| BVD | | - | | |
| BPasswd | | - | | |
| Automatic window resizer | | - | | |
| Automatic Print | | - | | |
| Auto Timer | | - | | |
| Auto Shutdown NG | | - | | |
| Auto Save Document | | - | | |
