FExplorer 1.15
A must have file explorer and manager software, that allows you to browse the phone memory and external memory, similar to Windows Explorer. It allows you to browse file system of your S60 phones and do many file operations. Although there is a built-in file manager in S60 phones, you can’t do much with it. This file explorer is a must-have for any S60 phone users.
Opera Mini 3.0
Opera Mini is a free web browser, a Java-based application. Uses a transcoding server to “compress” the web pages, to make browsing faster and scales to render web page so that we don’t need to do horizontal scrolling.
OggPlay 1.7
OggPlay is a freeware Ogg vorbis audio player. It support playback of MP3, Ogg, wma and AAC formats. Supports skinning.
Symantec Mobile Security 4.0
Symantec Mobile Security easy-to-use anti-virus application, with two-year service. It protects, removes wireless virus, spyware and worm threats. Virus definition upgradable.
WildPalm ZipMan 2.5
File Compression Manager for your phone. Use ZipMan to open received compressed .Zip files, or to compress files. Also has plugins for RAR support.
MobiFactor PowerMP3 1.01
PowerMP3, music player with MP3, OGG, AAC and M4A support. Also features playlist management and an equalizer.
QReader
E-Book reader supporting Plain text (.txt), Palm DOC (.prc and .pdb), TCR, FB2 and UMD files support. Also features auto-scroll, bookmarking, scalable fonts, search ...etc
Lonley Cat Games SmartMovie
Video player supporting DivX and Xvid formats. Supports fullscreen, subtitles ...etc. Has customizable options for playback, brightness, language, volume, and more.
) 300 posts, so I thought to make it a useful post! 
... Compatible with S60 V2 phones - 6600, 6630, 6680, N70 ...etc
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