K-Lite Codec Pack (Full) includes 99% of all the audio and video codecs you will ever need. Just install this pack, and you will be able to play just about any media file out there. It includes DivX, Xvid, x264, MPEG 1/2,MP3, Monkey`s... (Read more) Offers to install promotional, third party components (e.g. browser toolbar).
Real Alternative will allow you to play RealMedia files without having to install RealPlayer. All RealMedia formats (.ra .rm .rmvb .ram .rpm .rv .rp .rt .rnx .smi .smil etc.) are supported, including streaming content and RealMedia... (Read more)