Orion Scalper EA built Based on the scalping technique, but it also uses a grid system. EA is no longer for sale so there isn’t much of information about this ea. But I’ve seen a lot of profitable traders using this ea

Many traders use Orion SCALPER EA, This EA can give you up to 40%-60% profitability in a month if you have a good balance in emotion and have proper money management. It’s capable of blowing your account easily.