Is amibroker free of cost? Do we need to pay only for the pi bridge?

I have been hearing a lot about amibroker and pi bridge. What are the costs involved?

Hi

AmiBroker is Paid Software…Which Cost U around Rs 20000/-

But Cracked Version are available all over The Internet…

If use AmiBroker for Signal, then Only U Need PiBridge…It Cost u Rs 300/Permonth

Please Go through the below Link

http://tradingqna.com/13682/what-is-ami-broker-what-is-pi-bridge-how-they-help-us-to-trade

can you pass me the link for amibroker cracked version.?