I'm using Tiled for CC, I've modified ROjO's python script (added CSV format parsing and automatic objects properties\variables adjustment), only thing I don't like in Tiled is not so handy objects managment, hope they'll add something like objects pallete soon.
But I don't know if C2 allows you use javascript like python in CC, I think using your own script is more handy, than plugin, since you can easily adapt it for your needs