Have used a couple of indicators on mt4 and they have help me made lots of pips in forex trading especially moving average, PSAR, stochastics oscillator, RSI, MACD and so many others.
But guys which would you say is your best and favorite indicator?
I want to know more indicators that could be useful to me in the future.

The above indicators are standard indicators that can be found in the program TSLab. Also in the program is a volume indicator. - example foot print. And the new version 1.2 has new indicators. Just open the program and see.