Anderson Farias wrote:

>> 1) Are there any free components?
>
> There are 2 at least:
>
> MDO (http://sourceforge.net/projects/mdo/)
> UIB (http://www.progdigy.com/?page_id=5)

There's a nice list here:

http://www.firebirdfaq.org/faq7

--
Milan Babuskov
http://www.flamerobin.org
http://www.guacosoft.com