Watch how to download trading robots for free
Find us on Facebook!
Join our fan page
Access the CodeBase from your MetaTrader 5 terminal
Couldn't find the right code? Order it in the Freelance section
How to Write an Expert Advisor or an Indicator

MQL4 Source Code Library for MetaTrader 4 - 99


The largest library features codes of free trading Expert Advisors, technical indicators and scripts. With the available applications you can trade in automated mode and analyze price dynamics. Use the library of codes to learn more about financial market sentiments.

Download free applications, test them and run in your MetaTrader 4. You can access them from the MetaTrader 4 platform and the MetaEditor development environment.

Submit your code

Fibo Pivot Lines GMT Indicator.

ForexOFFTrend Indicator.

Fractal Channel Indicator.

Carter MA Indicator.

newMACD Indicator.

Pattern Recognition v1.0 Indicator.

RD-ForecastOsc Indicator.

Fractal ZigZag Expert Advisors.

Murrey_Math_Modified Indicator.

Murrey_Math_MT_VG Indicator.

Trigger Line Indicator.

Nina Indicator.

IND Inverse Indicator.

Using indicator DailyPivot_Shift the main levels can be calculated based on shifted beginning of day

AMA&AMAsig Indicator.

ADX_System Expert Advisor.

Revers Script.

Pivot_AllLevels Indicator.

BrainTrend1Sig Indicator.

ATR Levels Indicator.

All_usd_pair Indicator.

PivotCustomTime Indicator.

Aroon Horn Indicator.

Demo of functions in StringArraySuite.mqh

Functions for handling two dimensional string arrays. Usefull for prototyping.

Tick Collector in the FXT File

Simple csv-to-fxt Converter

Description of the FXT file header, functions of reading and writing of the header.

Fisher_org_v1 Indicator.

CyberiaTrader Expert Advisor.

FiboRetracement Indicator.

FiboCalc Indicator.


Ergodic Oscillator.

EMA_CROSS Expert Advisor.


TicksInMySQL Expert Advisor.

DFC Next Indicator.

Divergence Trader Expert Advisor.

DeMarker Pivots Indicator.