Links

Video Converters

Handbrake
Excellent video conversion tool.

Video Converters

DaVinci Resolve

OpenShot

Players

Media Player Classic Home Cinema (MPC-HC)

VideoLAN

ZoomPlayer

Muxing Tools

MKVToolnix
A powerful set of tools for (re-)muxing Matroska files.

Tutorials

Doom9
Lots of encoding tutorials and a forum with multimedia experts.

VideoHelp

Encoding Tools

Avidemux
Excellent video conversion tool.

VirtualDub
Basic video editing and encoding tool.

MeGUI

Burning Tools

ImgBurn

Ripping Tools

DVD Decrypter

Exact Audio Copy

Video Tools

AviSynth

Audio Tools

mpTrim

Miscellaneous Tools

ProgDVB

Bytepointer
Some useful command line file utilities for developers

DVD tools

FixVTS

DVD Rebuilder

DVDSubEdit

IfoEdit

VobBlanker

MenuEdit

Audio

RareWares
Information about AAC, Ogg Vorbis and MPEG4.

Hydrogen Audio
Audio experts

Formats

FourCC.org
List of common Four Character Codes that are used by codecs to identify themselves.

Comparison of container formats