The engulfing pattern is the best candlestick pattern in Forex trading. This pattern is formed when one color's candle completely engulfs the other color's candle. It is regarded as a very reliable indicator that the trend is about to change. The engulfing pattern can be used by traders across all timeframes.

Free Harmonic Patterns is an indicator which displays up to 7 types of patterns (ABCD, bat, butterfly, gartley, shark, crab and deep crab) detected on higher timeframe charts (H1-D1). The ABCD (or AB=CD) pattern is composed of three movements and four points.
https://fxmerge.com/free-harmonic-patterns-indicator