Nullsoft Winamp is a fast, flexible and high-fidelity media player for Windows. Winamp supports
playback of many audio  MP3, OGG, AAC, WAV, MOD, XM, S3M, IT, MIDI, etc  and video types  AVI, ASF,
MPEG, NSV , custom appearances called skins  supporting both classic Winamp 1.x/2.x skins and
Winamp
3 freeform skins , audio visualization and audio effect plug-ins  including two industry dominating
visualization plug-ins , an advanced media library, Internet radio and TV support, CD ripping, and
CD burning. Winamp 5.5 comes bundled with the latest version of the ground breaking AVS  Advanced
Visualization Studio  and Milkdrop visualizers. Enjoy over 100 bundled visualization presets
created
by users. Switch between presets manually or sit back and watch your presets on Random.
Features:
   Now Playing: Discover Artist Songs, Videos, Radio and Photos
   AOL Radio Powered by CBS Radio
   Expanded Flash video support
   Media Monitor: Playing music on the web just got even better
   Language packs available in Chinese, Japanese and Korean
   Updated Winamp toolbar - control Winamp from your browser
   A Redesigned Unified Interface, including Album Art
   Remote Music and Video Playback and Sharing
   Dynamic Song Recommendations Playlist Feature
   Multi-channel MP3 Surround Support
   Mass Auto-Tagger Provides Latest Music Metadata
   Integrated Web Search for Artist and Track Information
   Album Art Support for Portable Devices
   Updated Podcast Directory and Download Manager
   Fully Integrated Web browser and customizable links
   New Visualizer Plug-in - Milkdrop 2
   Portable Device Sync support
   Expanded Podcast Directory
   Smart views with new pre-sets for dynamic playlists
   Plays an insane amount of audio and video types
   Compatible with Winamp 2 Plug-ins
   Full Support for Classic Skins
   Full Support for Modern Skins
   Access over 18,000 SHOUTcast Radio Stations
   Enjoy thousands of free songs and videos
   Playback the AOL Video catalogue of video content
   Listen to AOL Radio stations
   Download thousands of Skins and Plug-ins
Features of Pro-version:
   Rips CDs to MP3
   Rips CDs to aacPlus, AAC, WMA
   Rip to HE-AAC
   Burn CDs
New features:
   Improved iPod Sync Support
   New iTunes Library Import
   New Online Services Gallery
   New OurStage Radio Online Services
   New Spinner MP3 of the Day Online Service
   New Turkish, Romanian and Portuguese Language Packs
Winamp 5.55:
  New: Turkish, Portuguese-BR   Romanian installer translations and language packs
  New: WBM system for lazy-loading of  .w5s files
  New: [Bento skin] Playlist tab  optional 
  New: [ml impex] iTunes-compatible Media Library database import/export plugin
  Improved: [gen ff] Faster   no flicker when loading/switching skins
  Improved: [gen jumpex] New  Add to Library  shell menu item   other tweaks
  Improved: [gen jumpex] True unicode search support
  Improved: [gen ml] Optional alternating row colors for list views
  Improved: [gen ml] Optional skinned menus
  Improved: [in mod] Experimental ExtendedRead support  transcoding, burning, etc 
  Improved: [in mod] Now uses global Playback config for thread priority
  Improved: [in mp3] APEv2 tag editing/creating tweaks
  Improved: [in mp3] Show instantaneous bitrates for AAC VBR
  Improved: [ml local] Media Library searches now ignore diacritics
  Improved: [ml local] New  Category  and  Lossless  database fields
  Improved: [ml local] New playcount Tracking Control options
  Improved: [ml local] New  Play/Enqueue random  item for top level filters
  Improved: [ml online] New toolbar and various other tweaks   optimizations
  Improved: [ml online] Support for 3rd-party Services
  Improved: [vis milk2] Pixel Shader 2.0   3.0 support tweaks
  Improved: [vis nsfs] Unicode title display for currently playing track
  Improved: [Winamp Agent] Localization support
  Improved: [Winamp Modern skin] New spectrum vis options
  Fixed: Accessibility fixup for Format Info string in Alt 3 dialog
  Fixed: Genre not being saved with Autotag feature in Alt 3 dialog
  Fixed: Memory leaks in in mp3, in wm, gen dropbox, ml local, ml pmp   tagz.w5s
  Fixed: New version check can t be disabled when anon statistics is enabled
  Fixed: Rare crash when closing vis window
  Fixed: Various issues when starting/stopping/switching vis plugins
  Fixed: [Agent] Systray icon not showing if  Play in Winamp  removed in Shell Options
  Fixed: [enc flac] 24-bit FLAC encoding
  Fixed: [gen jumpex] Shell Options, B Hotkey, Send To menus   other misc bugs
  Fixed: [gen ml] Library button resize glitch
  Fixed: [in cdda] Potential cddb Disc null pointer crash
  Fixed: [in flac] Albumartist   Ensemble fields not cleared when deleting Album Artist
  Fixed: [in flac] Track restarts when updating metadata
  Fixed: [in mp3] Potential ID3v2.0/2.1 crash issue
  Fixed: [in mp4] Empty genre metadata field  eg. when transcoding from flac to m4a 
  Fixed: [in mp4] Long hangs on slow network drives
  Fixed: [libsndfile] AIFF buffer overflow vulnerabilty  thanks milw0rm/secunia 
  Fixed: [ml disc] Potential crash on exit
  Fixed: [ml disc]  Use uppercase file extensions  ripping option not being respected
  Fixed: [ml history] Tracking still updates if playback stopped before specified time
  Fixed: [ml local] Broken  Create Playlist  button functionality in local media
  Fixed: [ml local] Remove missing files broken with some older/corrupt databases
  Fixed: [ml wire] Columns sometimes hidden in Downloads view
  Fixed: [ml plg] Multiple  Failed to initialize  error messages
  Fixed: [ml pmp] Crash when deleting playlists/files from a P4S portable device
  Fixed: [ml pmp] Metadata hooking, transcoder, autofill and other bug fixes
  Fixed: [nde] Albums with   in title not displaying tracklist in local media views
  Fixed: [out ds] Logarithmic volume control dB display glitch
  Fixed: [pmp ipod] Deletion of non-existent files from database
  Fixed: [pmp ipod] Reading of Play Count statistics
  Fixed: [pmp ipod] Various database, albumart, playback   disconnection issues
  Misc: More miscellaneous general tweaks, improvements, fixes and optimizations
  Misc: New  Send Feedback  item in the Help menu
  Misc: Note that changes made to the ml database are not backwards compatible 
  Misc: Removed some older Milkdrop presets and added some newer ones
  Misc: Separated vlb.w5s and nsvdec vp3.dll decoders from in mp3 and in nsv
  Misc: Separated timer from gen ff into timer.w5s
  Updated: Gracenote CDDB/MusicID v2.6.0.6
  Updated: libpng 1.2.35
  Updated: Sonic Burning Engine v4.10.32.502
  Updated: [gen jumpex] JTFE v1.0.4
  Updated: [in mp3] Fraunhofer Decoder v4.3
  Updated: [lame enc] LAME 3.98.2
  Updated: [vis avs] AVS v2.82