This is first article on Enet Blog which contains huge list of websites have great softwares for daily use.
First check the list and after that make comments… share this if you like it 
Conversion of video files to different formats:
AutoGK, VirtualDub, AviSynth,DVD Decrypter, mEncoder,FFmpeg, Nero Vision,Convertxtodvd, WinAvi creator,Magic Video Converter | Any Video Converter | Super © |Handbrake | WinX HD
GPU Converters
Badaboom | TMPGEnc |PowerDirector 7 (Nvidia)
PowerDirector 7 (ATi)
Video Codec Packages for video Playback
KLite | Vista Codec Pack | CCCP |AC3 Filter
Conversion of Audio Files to different formats:
EAC, LAME, FLAC, Foobar2000,Abcde
Playback of different format files:
VLC, GOM Player, Cyberlink PowerDVD, MPlayer, WMP,WinAmp, DivX, Windows Media Player Classic, Foobar (Audio),Media Monkey (audio), XMMS,J.River Media Center
Other Audio Applications used for various purposes:
Audacity, AudioGrabber, MP3Tag,Tag & Rename, Id3tag, Nero WavEditor, SonicStage,SonicAcid, Reasons, Fruity Loops,Pro Audio, db poweramp (Ripper)
ISO Burning Software
ImgBurn, CDBurnerXP, Nero,MagicISO, PowerISO, Alcohol 120%
LightScribe Software
nero | roxio | Lightscribe |acoustica | surething
Disk Formatting Tools
KillDisk, GParted, PowerMax,ERD Commander (If you can find it), Boot and Nuke (AKA DBan), Acronis Disk Director
Hard Drive Tools
SpinRite | SeaTools (ONLY if you have a Seagate Drive) | WD Data Lifeguard Tools (ONLY if you have a WD Drive) | HDD Regenerator
Boot Tools
EasyBCD | UBCD | SuperGRUB
Archiving Software (Compression Software)
7Zip | ALZip | Filzip | IZArc | KGB Archiver | PeaZip | Picozip |Powerarchiver | SQX | TUGZip |WinAce | WinRar | WinZip |ZipGenuis | Zipeg
FTP Software
SmartFTP | FileZilla | FlashFXP |FTPVoyager | CoreFTP
Recovery Software
OnTrack | Recuva | Pandora Recovery
Remind in comments if I miss one or more …
