XULPlayer is an open-source media player and converter built on Mozilla XUL and MPlayer. It intends to be a flexible, user-friendly desktop media center with support for most popular audio and video formats and rich user experience.

Features:

• XUL application, customizable user interface implemented with flexible XUL and JavaScript
• Based on award-winning MPlayer, with high quality playback and low CPU utilization
• Playback of following media formats:
  • Audio: MP3, Vorbis, AAC, AAC+, AAC+v2, WMA, RealAudio, MusePack, Speex, FLAC, WavPack, WAV,
  • Video: MPEG 1/2/4, AVI, MP4, MKV, H.264, XviD, DivX, Theora, Flash Video, Windows Media Video, RealVideo, QuickTime
  • Image: JPEG, PNG, GIF
  • Flash
• Easy multiple playlist access and manipulation
• Video screenshoting
• Support for subtitle and lyric
• Dual-Player Mode - play two audio/video files simultaneous with audio cross-fading
• Free Internet P2P TV (exprimental)
• Fully standalone and self-contained - no need to install any codecs or system components