I do this with ScreenFlow, great application but not free.

I really like those Adam Lisagor video's vimeo.com/88901304

Trix is a good solution also because it's made by the people who made Rails, so it's a safe bet.

That's actually a good suggestion, thanks!

Example:

No, you can live code from almost any computer 😃

I keep it in 1Password.

Piwik looks like a pretty good option! Thanks.