I don't know how good they are, but the most popular ones are:
Cinelerra
Kdenlive
Kino
LiVES
There are many programs one can use for video editing. Examples for video editing software are Windows Movie Maker, Kate's Video Toolkit, Avidemux, VSDC Free Video Editor and MPEG Streamclip.
yes, but I haven't had a lot of luck with them. http://en.wikipedia.org/wiki/List_of_video_editing_software#Free_.2F_Open_Source_Software
Some recommended Linux video capture software options for recording and editing videos include OBS Studio, Kdenlive, Shotcut, and OpenShot.
camcorder and some computer editing programs (photoshop, AVS video editing)
For sound alone, go with Audacity. For video editing, Cinelerra.
Yes. For such kind of operations you will need a video editing program. In most operating systems today, there are pre installed video editing programs. For example in Windows there is Windows Movie Maker.
Videos are edited on the computer with video editing software. There are a lot of different "quality" video editing programs such as Final Cut Pro, Premiere Pro, or Pinnacle Studio.
Windows' built-in video editing software should work well, and takes few resources.
There a large number of professional video editing software programs available. Adobe produce perhaps the most popular programs which can be downloaded from their website. Other websites such as Cnet provide downloads and reviews of many other softwares.
In my opinion, Video Spin. But others seem to like Video Pad as well. Both are free programs you can download from the Internet.
There are many video editing programs available depending on skill of the user. some programs are free but some require payment. imovie is a good program to use. However if you prefer more of an advance program Sony Movie Studio is fantastic
FFmpeg (Windows, Mac, Linux) Shutter Encoder (Windows, Mac, Linux) Free HD Video Converter Factory (Windows)