I like to try ruby a little bit more.

SciTE is very nice to compare languages.

FreeIDE look very nice, too.

But I like to have the following:

when typing:

talker.

a list should popup, showing me the available methods and variables.

if I scroll to a method, a window should popup, to show me the help-text 
of the method.

is this available for SciTE / FreeIDE - possibly as an extension?

If not, what would be the estimated effort to implement this into FreeIDE?

or can you suggest me another free IDE product which has this behaviour?

..

-- 
http://lazaridis.com