Video/Players
open source
VLC (VideoLAN)
VLC (VideoLAN) is a multi-platform multimedia player. It can read DVDs, VCDs, MPEG, and DivX files and from a satellite card. It can also read a stream from a network sent by the VideoLAN Server or another source. The stream can be MPEG 2 TS in UDP or HTTP packets unicasted or multicasted on an IPv4 or IPv6 network.
freeware
The KMPlayer
The KMPlayer is a versatile media player which can cover various types of container formats such as VCD, DVD, AVI, MKV, Ogg Theora, OGM, 3GP, MPEG-1/2/4, WMV, RealMedia, and QuickTime among others. It handles a wide range of subtitles and allows you to capture audio, video, and screenshots in many ways.
freeware
DVD43
DVD43 is a free DVD decrypter that runs in the background and decrypts DVDs on the fly. It will decrypt (unlock) a movie DVD so that your copy program can read it. It is a pure decrypter, it does not alter the image of the original DVD and will not remove copy protection (other than CSS encryption) added to the DVD. If the DVD structure is non standard or the DVD contains bad sectors, your copy program needs to take care of that.
freeware
QuickTime Alternative
QuickTime Alternative will allow you to play QuickTime files without having to install the official QuickTime Player. All QuickTime formats (.mov .qt .3gp etc.) are supported, including streaming content and QuickTime content that is embedded in webpages. Some advantages compared to QuickTime player are the quick and easy install, make an unattended installation, no background processes, use a player of your own choice, low on resources, and smaller size.
Based on Quicktime 7.
freeware
Media Player Classic
Media Player Classic is an extremely light-weight media player for Windows. It looks just like Windows Media Player v6.4, but has many additional features. It has a built in DVD player with real-time zoom, support for AVI subtitles, QuickTime and RealVideo support (requires QuickTime and/or Real Player), and lots more.
open source
SMPlayer
SMPlayer is a new multimedia player. It uses the award-winning MPlayer as its engine, so it's able to play the most known video & audio formats without the need of external codecs: avi, mkv, ogm, mpeg, vob, 3gp, asf, mov, wmv, mp3, ogg. You can also play DVD discs and Internet streams.
freeware
FlvPlayer4Free
FlvPlayer4Free allows even the most demanding users to easily play their favorite FLV files in the hard disk or from Internet. It does not require the Flash authoring tool and it offers attractive and useful functions.
freeware
Spider
Spider is a free, feature-rich, and easy-to-use audio player for Windows based on "Bass audio library" from Un4seen. This program has Unicode support, powerful tag editors for different file types, music ripping support, CD-text support, CD extractor, easy to use song lyrics editor, internet streaming, skins support, support for different interface languages and more.
freeware
Adobe Shockwave Player
Adobe Shockwave Player lets you enjoy multimedia games, learning applications, and product demonstrations on the Web using exciting new 3D technology.
open source
Miro
Miro lets you watch Internet videos like you watch TV. Download and watch all the best internet TV shows and videos in one powerful application. New channels arrive daily in the built-in Channel Guide. Stop squinting at tedious web videos-- sit back and watch big, high resolution videos one after another. It's so easy to use that you'll be watching interesting videos in moments.
freeware
SPlayer
SPlayer is a simple and yet practical media player, which supports all the popular media formats, including DVDRip, HDTV, RMVB, QuickTime, MPEG-2, MPEG-4, AC3/DTS, VP3/6/7, Indeo, XVD, OGG/OGM, APE, FLAC, TTA, AAC, MPC, 3GP/AMR, and subtitles.
open source
Media Player Classic - Home Cinema
Media Player Classic - Home Cinema is a Media Player Classic mod design for homecinema usage.
Media Player Classic is an extremely light-weight media player for Windows. It looks just like Windows Media Player v6.4, but has many additional features. It has a built in DVD player with real-time zoom, support for AVI subtitles, QuickTime and RealVideo support (requires QuickTime and/or Real Player), and lots more.
freeware
Kantaris Media Player
Kantaris Media Player can play almost anything you can throw at it - AVI, MPEG, MGEG-AVC, WMV, MOV, MKV, quicktime, matroska, divx, xvid, H264, MP3, WMA, OGG files and more. It can also play DVD's and audio cd's. The player also displays some of the most beautiful music visualizations ever seen. All this is completely free. It is based on code from Videolan client (VLC) and Bass audio library. The graphical user interface is similar to that of Windows Media Player.
freeware
AC3Filter
AC3Filter is DirectShow filter for AC3 decoding to play .AVI with AC3 audio tracks and MPEG2 (DVD).
freeware
ALShow
ALShow lets your watch all your videos, movies, and DVDs without searching for video codecs or audio codecs. From AVI to XviD, playing movies is first-click easy with codecs for all popular video, audio, and movie formats. If you do not have the right codecs or video filters, this player can recognize them and automatically help you download the right codecs and filters quickly.
freeware
MPEG Streamclip
MPEG Streamclip is a powerful video converter, player and editor. It can play many movie files, not only MPEGs; it can convert MPEG files between muxed/demuxed formats for authoring; it can encode movies to many formats, including iPod; it can cut, trim and join movies. It can also download videos from YouTube and Google by entering the page URL.
MPEG Streamclip is a converter for QuickTime files, MPEG-1/2/4 files and transport streams (.ts and .m2t). It provides high-quality conversion of movies and...
freeware
MVS Player
MVS Player is a DivX multi-video player which supports many file formats. With MVS Player You can visualize until 12 videos simultaneously on the screen. Best performance in video accessing only 15ms for 1.5GB video size.