Software needed for Video Editing

Commonly known video editing software for windows is movie maker, which is also a free application software. Below is the list of Operating System Wise video editing S/W -

For windows XP/Vista/Seven/Eight 

• Avidemux
• AviSynth
• Blender VSE
• VideoLan Movie Creator (VLMC)
• VirtualDubMod
• VirtualDub

For Linux and Other OS

• Lumiera (Linux)
• OpenShot Video Editor (Linux, FreeBSD)
• Pitivi (Linux, FreeBSD)
• Cinelerra (Linux)
• Kdenlive (Linux, FreeBSD, Mac OS X)
• Kino (Linux, FreeBSD)
•  LiVES (BSD, IRIX, Linux, Solaris)

There are some freeware too, which can be helpful while video editing.

• Adobe Premiere Express (Web application)
• Debugmode Wax (Windows)
• VideoThang (Windows, discontinued)
• Windows Movie Maker (Windows)

 And many more. I personally use Windows Movie Maker and Video Thang.

Download Video Editing Software here 

Reference: http://en.wikipedia.org/wiki/List_of_video_editing_software