1. CamStudio
CamStudio
is able to record all screen and audio activity on your computer and
create industry-standard AVI video files and using its built-in SWF
Producer can turn those AVIs into lean, mean, bandwidth-friendly
Streaming Flash videos (SWFs)
2. Jing
Jing can
both take screenshots & capture a screen as videos. It is possible
to add textboxes, arrows or rectangles to highlight spots. It can send the generated outputs to Screencast.com, Flickr, a FTP account, Twitter & more. With a microphone, you can record audio with the video as well.
O.S.: Windows, Mac OS X
3. Webineria
Wink is a tutorial and presentation creation software which
can capture screenshots & enables you to add explanation boxes,
buttons, titles & more. It supports various output formats like
.EXE, .FLV, .HTML, etc.
O.S.: Windows, Linux
4. Krut
Krut
is a screencast tool that is written in Java and well suited for making
video tutorials (instructional videos) on most platforms. Krut records
movie files, including sound, of selected parts of your screen. The
files use the quicktime mov format. The program has an intuitive and
compact user interface.
5. BB Flashback Express
BB FlashBack Express is the free version of some other advanced series. It can record from a video source, screen & audio. It can export to AVI or FLV & has integrated support for direct uploading to the popular video sharing websites.