XM Broker ,Ironfx ,Hotforex ,Exness are the leading Brokers now . they also have good Forex bonuses and offers .From this site http://forexbonus100.com you can see some of the Offers of these Brokers
RoboOption Open a real account and receive No Deposit Bonus in the amount of 15 USD In March, RoboOption presents its clients a unique opportunity to receive the bonus without depositing their trading accounts.
Here is the list of best no deposit forex bonuses for 2015 url #The top brokers offering No deposit bonus are 1 - Markets.com - 25 usd 2 - Caesar Trade - 1000 usd and 200 usd bonuses 2 - Xm.com - 30 usd bonus Enjoy !