This indicator combines two separate Simple RSI indicators so you can show different periods together, as well as an ADX indicator with DI+ and DI-. I prefer to use one indicator to show the whole thing, instead of stacking the individual indicators.
This is a modified version of the base RSI indicator, which uses the Wilder's calculation with exponential MAs. This version uses simple MAs. Simple RSI is one of the indicators required for the Green Goose trading strategy, which you can learn about from OptionsPlayers.com.