Winamp Main Window
* Winamp 5.5 features our new Bento Skin that's easier to use and more powerful than ever.
* Easily access the Media Library, Playlist Editor, Video, Visualizations, Media Monitor Browser, EQ, Skin Options and Color Themes all from one single user interface.
* Includes over 20 color themes that suit nearly every mood or occasion!
* Winamp 5.5 carries forward the unobtrusive "Window Shade" mode.

Winamp Playlist Editor
* Drag and drop media directly into a Playlist from Windows Explorer or the Media Library
* Jump directly to an item within the list by double clicking it or selecting the item and pressing Enter
* Sort Playlists by title, file name, or path and file name
* Easily Open and Save Playlists from the Manage Playlist button

Winamp Library
* Organize and find your favorite songs and videos in ONE place
* Rip your favorite music CDs into AAC, MP3, WMA, WAV or FLAC (Ripping limited to ~6x speeds for free users. MP3 encoding is only available in Winamp Pro)
* Burn your favorite music compilations to Audio CD (limited to 2x speed for free users)
* Media Library "Smart Views" allow you to easily create rule based lists of your media
* Easily modify your music collections tags (Artist, Album, Genre, Title, etc.)
* Download and view cover art for all of your albums
* Online Services
- Easily tune into user created Internet TV and Radio stations
- Over 10,000 SHOUTcast Radio stations and 250 Internet TV channels to choose from
- Bookmark your favorite stations and channels for future access
- Hundreds of Winamp Music and AOL Videos for your viewing pleasure
- Other integrated features include: In2TV, Games, Winamp Remote, and more.
* Now Playing
- View album art, artist biographies, discographies
- Keep track of your favorite artists by browsing fan sites and news articles presented in the client
- Easily buy your favorite CDs, memorabilia, or just sell your own
* Download or subscribe to music and video podcasts via the Podcast Directory
* Easily manage all of your Portable Media Players. Winamp natively supports the following devices:
- iPod (Original, Shuffle, Nano & Classic, but NOT iTouch or iPhone)
- Creative Nomad/Zen/MuVo
- PlaysForSure (P4S) devices
- USB Thumbdrives
- ActiveSync devices

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
* 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
* 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
* 50 Free MP3 Downloads compliments of eMusic
* Listen to Free MP3 of 'Charlotte' by Booka Shade