Happy Frequency combines the concepts trend/grid/hedge/semi-martingale according to risk low/middle/high/combi EA files. The whole strategy is protected with a News filter.
FX Classic Trader swings between Support/Resistances with continuous indicators analysis & calculations by a really unique trade algorithm to decide when to close and open transactions.
As the name suggests, Forex Combo System is a collection of several subsystems, four to be clear. The most accurate description that fits it is "four different EAs joined together". The result of such an EA could be considered "Pleasant" as you will discover this yourself after some further reading, It's an easy-to-use EA and is one of the most solid automated trading systems that I've ever seen.