There is no way in which a country can satisfy the craving for absolute security, but it can bankrupt itself morally and economically in attempting to reach that illusory goal through arms alone.
 
Dwight D. Eisenhower
 
When the people fear their government, there is tyranny.. when the government fears the people, there is liberty.
 
Thomas Jefferson

Video and Movie

Avidemux

Avidemux is a free video editor designed for simple cutting,
filtering and encoding tasks. For Windows, Mac OSX and Linux.
http://avidemux.berlios.de/index.html
http://sourceforge.net/projects/avidemux/

DVD Flick

Convert and burn almost any video file to a playable DVD.
http://www.dvdflick.net/
Download from sourceforge.net
http://sourceforge.net/projects/dvdflick/files/

Media Player Classic - Home Cinema

Home Cinema is based on the original 'Media Player Classic' created when Gabest, the author, stopped working on the project. MPC-HC is an extremely light-weight, open source media player for Windows.
https://mpc-hc.org/
Sourceforge project page...
NB: The project has moved from Sourceforge so these pages may be out of date.
http://sourceforge.net/projects/mpc-hc/
Download:
https://mpc-hc.org/downloads/

Handbrake

Convert video from nearly any format. Open Source software available for Windows, Mac and Linux.
https://handbrake.fr/
Download:
https://handbrake.fr/downloads.php

SUPER

SUPER Simplified Universal Player Encoder and Renderer. If you need a simple, yet very efficient tool to convert (encode) or play any multimedia file, without reading manuals or spending long hours training, then SUPER is all you need.

NOTE:
1) The download link is a little hard to find and you must click through 2 or 3 pages to get there.
2) The download af the free version contains unwanted other software. Be aware...

SUPER for Windows.
http://www.erightsoft.com/SUPER.html

VirtualDub

VirtualDub is the fastest tool for capturing, processing and re-encoding video files from one format to another.
http://www.virtualdub.org/
Download
http://www.virtualdub.org/download.html

VLC Media Player

VLC is a free and open source cross-platform multimedia player  and framework, that plays most multimedias files as well as DVD, Audio CD, VCD, and various streaming protocols. Not particularly good looking but a geat player. Available for Windows, Mac and Linux.
http://www.videolan.org/
Download
http://www.videolan.org/vlc/

Zoom Player

Zoom is a another great media player. The standard version is free and plays most media types as well as DVD's.
http://www.inmatrix.com/zplayer/
Download
https://www.inmatrix.com/files/zoomplayer_altdownload.shtml
Note: Once you are on the download page the download will be set for Zoom Payer - Max. Just below this is an picture showing Zoom Player - Free. Click on this picture and the download changes to Zoom Player - Free.

** ffdshow

You may also need FFDSHOW. ffdshow is advanced DirectShow filter providing multi-format decoders that enable you to playback many audio and video formats, such as DivX, Xvid and H.264.
http://sourceforge.net/projects/ffdshow-tryout/