Camstudio

Camstudio software is one of open source software provided by Rendersoft. Camstudio is able to records activity from screen computer and audio from a microphone into AVI video files and can also convert the AVIs into Streaming Flash videos (SWFs) using its built-in SWF Producer.

Here are just a few ways you can use this software:

• You can use it to create demonstration videos for any software program
  Or how about creating a set of videos answering your most frequently asked questions?
  
• You can create video tutorials for school or college class
  You can use it to record a recurring problem with your computer so you can show technical support people
  
• You can use it to create video-based information products you can sell
  
• You can even use it to record new tricks and techniques you discover on your favourite software program, before you forget them

Download Links
CamStudio: CamStudio20.exe
Lossless Codec: New CamStudioCodec1.4.zip CamStudioCodec14.exe
Support Forum: http://camstudio.org/forum