Let me share a nice list with freeware – testing them to see if we can use them for machinima. Your thoughts/reviews are welcome, of course!

I tested Apowersoft Screen Capture, which was a free offer for a day – but found it had low framerate and no audio. see TEST

However, there is a free web based Apowersoft online screen recorder too.

freeware VIDEO CAPTURE :
Icecream Screen Recorder –
CamStudio Portable –
ActivePresenter Free Edition –  (Record full motion video)
Fast & Easy Screen Recorder –
SMRecorder –
Screen2Avi –

TMUnderground contributes: check out screencastomatic.