I am looking for open source FPGA boards which support FMC card. I could 
manage to find SPEXI, and I want to know if there any other Open source 
Hardwares. If available, it is limited to Hardware or IP core is also 
available?

I'm not quite understanding what you mean by "open source" in this 
context. Both big FPGA companies have DVK with FMC connectors and 
usually the schematic of these boards is published (some third party 
boards do too, as you need to address the parts from your FPGA...).

As you most probably do not want to produce an exact copy of these 
boards by yourself, this should be enough to start development of your 
FPGA and subsequently your own system, if required.

For availability of IP cores check the tool chains  and IP generators of 
the vendors.