Audio/Video editing

FlasKMPEG takes MPEG streams and encodes them into another format, trying to achieve the maximum possible quality and trying to minimize the conversion impact providing a straightfordward aproach to the MPEG1/2 to MPEG/AVI conversion.
The most common use for this tool is to convert un-encrypted DVD VOB files to either MPEG-1 (compatible with Panasonic/LSX Encoders) or to an AVI file (compatible with most codecs).
FlasKMPEG Features:
- VCD/SVCD/DVD video transcoding
- Full MPEG1/MPEG2 software video decoding
- Streams and encodes MPEG files
- A52/MPEG audio decoding
- Convert un-encrypted DVD VOB files
Avidemux: Free video editing software

Avidemux is a free open-source designed for simple cutting, filtering and encoding tasks. It is written in C/C++, using either the GTK+ or Qt graphics toolkit or a command line interface.
Avidemux works with:
Imput formats: AVI, MPEG-4, QuickTime, 3GP, MP4, OGM, OpenDML, MPEG, ASF, NuppelVideo, Images, H.263(+), Matroska y Flash.
Output formats: AVI, MP4, unp, VOP, Matroska, MPEG, OGM y Flash
Avidemux Features:
- Edit, encode, decode, requantize MPEG and AVI files
- WYSIWYG cutting, appending, filters and re-encoding
- Mux and demux audio streams into and out of video files
- VirtualDub’s vcf scripting
- Advanced scripting
- Multithreading (multiprocessing)
- Joblist
- Powerful scripting capabilities
Windows Movie Maker 2.6: Create/edit your home videos

Windows Movie Maker is a video creating/editing software developed by Microsoft. It contains features such as effects, titles/credits, transitions, audio track, timeline narration, and auto movie.
Important: This version is only for Windows XP users
Windows Movie Maker Features:
- Create, edit, and share your home movies
- Add transitions and special effects
- Capture video
- Share your movie via the Web, e-mail, or CD
- Create new effects and transitions with XML