My favourites -
1) X-Plore - File Manager
2) Jbak TaskMan
This is powerfull task manager with many possibilities
3) DivX Mobile Player (freeware)
4) LightCtrl
free program Light Control keyboard and screen backlight control.It will enable your keyboard and screen backlight to turn on automatically during the night hours or to stay turned off during the daylight period when you don’t need the backlights.
5) PanoMan : Make and view panorama images with your phone!.
6) CenRep 3rd To disable camera sound N73
7) SmartMovie - Video player for mobile phone with subtitles and video converter for PC. Standard AVI format and also MP4V, FLV and 3GP file formats
8) Theme DIY - Create your own theme right on phone.
9) PhotoRite SP - Capture and enhance photos to have much better appearance! Add creative photo frames and funny magic mirror and much more amazing effects as you take photos or on saved photos!
10) Signsis v1.03 - SignSIS that allows you to directly sign symbian 3rd edition software, applications and games on your mobile device without transferring the files to your computer.
11) BlueShareware Bluetooth Remote Control - Turn your Bluetooth or WiFi enabled mobile phone
into a generic PC Remote Control!
- Control iTunes, PowerPoint, Mouse, WinAMP, Windows Media Player and much morews Media Player and much more
- See the actual desktop in your phone
- Create your own applications via Keymaps or VB and JScripts
- Connect over WiFi or Bluetooth
- No Bluetooth configuration needed
- Supports all PC Bluetooth solutions Toshiba, Windows, BlueSoleil and Widcomm/Brodacom