M-Player (not to be confused with MPlayer) is a very small and extremely fast music playing application which uses very little system resources to playback mp3 tracks. 441 KB | For Windows 7, Windows 8 / Vista / XPFree M-Player Review - Download
MediaArchive is a media player and full organizer for audio and video files that makes it easy finding particular songs and tagging them with metadata. 14.4 MB | For Windows 7, Windows 8 / Vista / XPFree
Mozekty Player is an online media player which plays radio stations over the Internet from a diverse amount of sources. 1.93 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Mozekty Review - Download