The MACD (Moving Average Convergence / Divergence) is an oscillator that shows the convergence or divergence of the medium-term and long-term moving average. Typically a 12-period and a 26-period average are chosen for this purpose.

3D Oscilator is an indicator that combines 3 other common indicators. They are RSI, Stochastic and Tunel. The latter may be less known because it is not available as standard on popular Forex platforms.