Image and Video Processing Tools
Pros: Fast, small, free, easy to use and supports a variety of image formats.
Cons: only runs on windows.
Pros: free, easy to use and can can read more than 400 image file formats and write 75 image file formats, available for both windows and linux.
Cons: It does not support Unicode.
Video Editing Softwares:
Pros: free, easy to use, light-weight video capture/processing utility.
Cons: only available for windows. Does not support MPEG2 or MPEG4. (Try VirtualDubMod or VirtualDub-MPEG2)
An open-source program designed for multi-purpose video editing and processing. Support many video codec and available for Linux, Windows and Mac.
It is a collection of software libraries that can record, convert and stream digital audio and video in many formats.