Is there any other similar free platform to this one that came before?

Question

Or is this one is the initiating one? Cause I think knowing that would show the difference between them when giving feed back.
If yes, would you mind please tell what is it?

Answer 1

The program appears to be modeled after http://stackoverflow.com Stack Overflow, but I do not know of any other program which is made in PHP like q2a.

Answer 2

I found askeet[dot]com, but it is quite "heavy" (uses symphony engine).

Comments

Like to be light :)

Answer 3

http://meta.stackoverflow.com/questions/5558/am-i-allowed-to-make-a-stackoverflow-clone

Answer 4

See http://meta.stackoverflow.com/questions/2267/stack-overflow-clones
However, as on date among the php based open source scripts for apache, Q2A is the best