Top MQL4 and MQL5 source codes based on user ratings - 4

ATR - Average True Range - beginner tutorial to learn how to code in MQL5

This indicator uses two moving averages to calculate the market trend and changes color depending on the trend direction.

This indicator calculates the range difference between the 'MACD and Signal lines' and also the range distance between 'the last two MACD bar'.

Real-time display of Binance quotes

Population-based optimisation algorithms are collected here. The archive contains all necessary files to run the algorithms on test functions.

Copy and paste selected graphical objects between charts via Windows clipboard as text. Use Ctrl+Q on a source chart, then Ctrl+J on a target chart.

A new interface library has been developed to simplify the process of converting MT4 indicators and Expert Advisors (EAs) to MT5. This library supports most of the MetaTrader 4 functions, offering developers a unified solution for cross-platform compatibility.

An advancement of the MetaQuotes zigzag with an oscillator mode, current bar leg tracking, fib levels, and dynamic scaling

Unfortunately I had to realise that some brokers are a bit careless with the server time changeover, which I had not expected and which surprised me a lot. Here is a script with which everyone can check their broker.

Unfortunately, I found that some brokers Changing the time on the server is a bit incorrect, which I didn't expect. and which surprised me a lot. Here is a script that anyone can use to check their broker.

Laguerre MetaTrader indicator — a completely custom indicator that doesn't rely on the standard MT4/MT5 indicators. It shows the weighted trendline in the separate window of the chart. It can be used for simple entry and exit signals. The indicator is available for both MT4 and MT5.

Time to candle Close. Dynamic text colours. Optimised for back-testing.

This Expert Advisor (EA) implements a triangular arbitrage strategy between three currency pairs: EURUSD, USDJPY and EURJPY

The DailyHighLow indicator is a versatile tool designed for MetaTrader 5 (MQL5) to display high and low price levels on a chart based on a specified timeframe. This indicator is particularly useful for traders who rely on key price levels for decision-making, offering flexibility through customizable timeframes and price calculation methods.

A professional script that automatically sets Stop Loss and Take Profit for all open positions based on a customizable Risk:Reward ratio. Perfect for traders who want to maintain consistent risk management across their trades.

Adaptive CCI - Commodity Channel Index with dynamically adjusting upper and lower limits based on market volatility. Eliminates fixed thresholds (like 100/-100) by using EMA-smoothed peaks and troughs, providing more reliable overbought/oversold signals tailored to each asset's current volatility. Perfect for identifying high-probability reversal points with adaptive confirmation levels.

Zigzag which changes wave direction based on price percentage change on the asset

A lightweight tool for manual scalping in MT5 using keyboard shortcuts

The script removes all autotrading icons from the current chart

simple atr supertrend with rsi filter

This indicator builds a dynamic price channel using Gaussian smoothing to determine support and resistance lines. It calculates smoothed high and low price values for a given period, finds their extrema and displays three lines: upper resistance (maximum of smoothed high), lower support (minimum of smoothed low) and the middle line between them, forming an adaptive trading channel.

The Clean Market Watch script is a simple utility tool designed to quickly remove all symbols from your MetaTrader 5 Market Watch window with a single click. This is particularly useful when you want to start fresh with a clean workspace or when your Market Watch has become cluttered with too many symbols. Purpose Over time, traders often accumulate numerous symbols in their Market Watch window, making it difficult to focus on the instruments they actively trade. Manually removing symbols one by one can be tedious and time-consuming. This script automates the entire process, clearing all symbols in seconds.

Securing data transfer between client and Server could be a big challenge for you as MQL5 programmer. You may have experience in using built in MQL5 encryption systems like AES.AES can securely encrypt your data but on the other hand is not secure when it comes to sending the AES key through insecure channels. You can only rely on asymmetric encryption systems Like RSA in such cases. you keep the private key at your server side and only share the public key with your clients. Even more you can use hybrid RSA_AES approach to archive more performance

Fox Wave Clean - Professional Order Manager Professional EA for efficient trade management with one-click position control. Clean design, powerful functionality.

It's like a bird's-eye view for BBMA Oma Ally fans. ust drag it onto the chart and you'll get all the BBMA signals running on the chart.

A chart-based risk monitor for prop-firm style rules: draws a live “Dead-Line” price level showing where your Daily Loss Limit or Overall Max Drawdown would be violated, based on equity, open exposure, and optional trailing drawdown.

Automates MQL5 buffer and plot index management. Eliminates manual counting, simplifies Z-order layering, and handles complex plot types (Candles, Color Lines) with a single line of code.

If you have access to the Expert Advisor code, you can save balance and equity charts and calculate additional optimization criteria by adding additional code from this library.

A comprehensive stop-loss and trade management module offering multiple stop-loss methods (Fixed Pips, ATR-based, Swing High/Low, and Percentage) and trailing stop options (Fixed, ATR, Step, and Breakeven). It includes automatic broker stop-level adjustment, risk-reward–based take profit calculation, and visual stop-loss lines on the chart. The code follows a clean, structured architecture with a dedicated `CStopLossManager` class, standardized enums and structures, and fully documented English comments for clarity and maintainability.

Download all OHLC data history available and save it in a file, either for just one symbol or for many in Market Watch

Indicator Description – Candle Close Timer Name: Candle Close Timer Version: 1.0 Author: BENTRADE TRADING Link: https://www.mql5.com/en/users/dahmi_benali

NeuroPro Verbalisation Converter for MQL5

ICE Pro v1.0: Momentum Intelligence System. ICE isn't just a static indicator-based EA (Expert Advisor). It's an Adaptive Trading engine that uses volatility (ATR) and volume profiles as primary filters to determine which price movements are "True Impulses" and which are simply "Market Noise."

Complete SMC toolkit: BOS/CHoCH detection, Order Blocks (internal + swing), Fair Value Gaps, Equal Highs/Lows, Premium/Discount zones, Strong/Weak H/L, trend candles, dashboard, 4-channel alerts. Free.

This Expert Allows You To Run and Play DOOM (The Game) on MetaTrader5! It's A Take On The Infamous "Can It Run Doom?" Challenge.

A professional trade management utility that completely hides your Stop Loss and Take Profit levels from brokers. It features a Spread Protector to prevent virtual stop-outs during news events or daily rollovers.

Hon-APS (Advanced Pattern Scanner) is a sophisticated, open-source Expert Advisor for MT5. Unlike typical retail bots relying on lagging indicators, Hon-APS trades structural breakouts backed by quantitative Order Flow algorithms. It actively scans for classical chart patterns (e.g., Head & Shoulders, Bottoms, Triangles) and validates entries using L2 Order Book absorption and bid/ask imbalances. Complete with a polished on-chart UI, true Kelly Criterion risk management, and a robust macroeconomic news scraper, it's designed for prop-firm viability and high-end capital preservation.

An advanced quantitative filter based on Chaos Theory and fractal geometry, it calculates the intrinsic dimensionality of the price curve to instantly classify market regimes into trending or mean-reverting states.

KSQ Command Centre is a production-ready, two-way bridge between MetaTrader 5 and Google Sheets. It was originally designed to help fund managers and quantitative traders remotely monitor and manage large, funded accounts (e.g., Darwinex Zero, Prop Firms, PAM, MAM) directly from a mobile browser, without needing to log in to a VPS. This Expert Advisor not only exports data—it actively listens for commands typed into your Google Sheet and executes them in MT5 in near real-time.

Interactive Correlation Heatmap using high-performance MQL5 matrix functions. > Features a draggable, minimizable dashboard with instant multi-timeframe switching and a vivid 5-band color scale for real-time currency relationship analysis.