CamStudio

CamStudio is the best free screen recorder to create AVI video files. CamStudio is the perfect choice for casual users with minimal editing requirements.

This lightweight open-source screen recording software creates AVI videos that can be converted to SWF.

Some people like its compactness, while others need refinement and technical support. Some benefits of CamStudio are - 

• Creating cross-screen videos.
• You can create smaller files.
• Quality options available for video output with custom pointer.