Before I begin i would want you to go through these two points
R-Studio - If you had NTFS you should give R Studio demo a try it will let you know what all it can find
GetDataBack - For FAT filesystem you can give GetDataBack a try and see ..
Misc - No single software will be able to recover everything you will need to mix and match a list of few other credible softwares are :
Wondershare Data Recovery
M3 Data Recover
Recuva (very famous)
Hope it helps and you recover your lost data