This MetaTrader 4 expert advisor functions as a local trade copier, allowing users to replicate trades from one terminal to another. It operates by sharing a data file between a master and a slave instance on the same computer or filesystem. The slave EA manages order execution, including market, limit, and stop orders
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Expert Advisor Library
1,977 free, open-source expert advisors for MetaTrader 4 and 5, each linked to its source code on GitHub.
Type
Trading robot 82Trade manager 2Risk & protectionNews tradingCopier & bridgeFramework & template 4Collection 86Utility
Strategy
Trend followingBreakoutScalpingGridMartingaleHedgingMean reversionSMC / ICT / price actionIndicator crossoverArbitrageAI / machine learningNewsMulti-strategy
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This expert advisor facilitates trade replication between MetaTrader 4 and MetaTrader 5 platforms using TCP communication. It functions as either a sender or a receiver, allowing cross-platform signal transfer. The tool includes a lot size multiplier to scale positions on the receiving side and requires IP and port con
This MetaTrader 4 utility acts as a bridge between custom technical indicators and Telegram channels for signal distribution. It monitors specific indicator buffers to identify trade entries and transmits alerts to a designated chat via the Telegram API. The tool is specifically configured for binary options workflows,
This MetaTrader 4 expert advisor functions as a trade copier, specifically acting as the slave component to receive and replicate orders from a source file. It features flexible lot sizing options, allowing users to apply a scaling coefficient, force a fixed lot size, or calculate volume based on the account balance. T
This MetaTrader 4 expert advisor functions as the receiving component of a trade copying system. It monitors a shared CSV file in the common terminal folder to replicate positions from a source account onto the local account. The EA provides multiple risk management options including lot size multipliers, fixed lot ove
This trade copier for MetaTrader 4 synchronizes orders from a master account to a slave instance using file-based communication. It provides flexible volume management, allowing users to copy original lot sizes, apply multipliers, or use fixed lot values. The tool includes account-level risk controls that can trigger b
Learn how to use expert advisors
Free, plain-English guides: find an EA, install it, set it up, test it and run it safely.
- 1Types of EAsRobots, trade managers, copiers and risk tools, and what each is for.
- 2Using this librarySearch, filters, badges and what our checks do and do not mean.
- 3Install an EA in MT4 or MT5Data folder, compile, attach to a chart and switch on algo trading.
- 4EA settings explainedLot size, stop-loss, magic number, max spread and trading hours.
- 5Backtest in the Strategy TesterModelling, spread, the report and the over-fitting trap.
- 6Choose a safe EAA checklist for the code, the logic, the evidence and the fit.
- 7Run an EA 24/7VPS, forward testing on demo and going live small.
- 8Open-source EAs on GitHubLicences, compiling in MetaEditor and editing inputs safely.
- 9Forex robots: an honest guideWhat automation can and cannot do for you.
About the EA Library
The ForexR EA Library collects open-source expert advisors for MetaTrader 4 and MetaTrader 5 that are published on GitHub. Each entry links to the original repository, so you always get the author's latest code, issues and licence straight from the source. Star counts, last updates and licences are synced from GitHub every hour, and new repositories are added every week.
Every repository is checked automatically before it is listed: it must contain readable MQL source code for a real expert advisor, and repositories that ship executables, hide downloads behind archive passwords or show signs of bought stars are left out. The summaries and tags are written automatically from each repository's README and code. They describe what an EA does; they are not a recommendation, and nothing here is tested or endorsed by ForexR.
Trading with expert advisors is risky. Backtest any EA and run it on a demo account before you trust it with real money. CFDs and leveraged forex are complex instruments with a high risk of losing money rapidly.
EA Library FAQ
What is an expert advisor (EA)?
An expert advisor is a program that runs inside MetaTrader 4 or MetaTrader 5. It can open and close trades on its own, manage trades you opened (trailing stops, break-even, partial closes), protect the account, or connect MetaTrader to other tools such as Telegram or Python. EAs are written in MQL4 (MT4) or MQL5 (MT5).
Are the EAs in this library free?
Yes. Every EA listed here is published on GitHub with its source code, so you can read, download and compile it at no cost. Check each repository's licence before reusing the code in your own projects: some EAs state no licence at all.
Are these EAs safe to use?
ForexR lists only repositories with readable MQL source code and never hosts files. Repositories that ship executables, ask you to disable antivirus, hide downloads behind passwords or show signs of bought stars are left out automatically. That does not make any EA profitable or bug-free: read the code, backtest it in the Strategy Tester and run it on a demo account first.
How do I install an EA in MT4 or MT5?
Download the source from GitHub, open MetaTrader, choose File, then Open Data Folder, and copy the .mq4 (MT4) or .mq5 (MT5) file into MQL4/Experts or MQL5/Experts. Open it in MetaEditor and press Compile, then drag the EA from the Navigator onto a chart and allow algorithmic trading.
How does ForexR choose which EAs to list?
A crawler searches GitHub every week for MetaTrader repositories, reads their code and keeps those that contain a real expert advisor and pass the safety checks. Stars, updates and licences are refreshed from GitHub every hour. Summaries are written automatically from each repository's README and code, so treat them as a guide and check the source.
What do "High risk", grid and martingale mean?
A grid EA opens a ladder of orders at fixed distances; a martingale EA increases the lot size after losses. Both can show smooth equity curves for a long time and then lose a large part of the account in one strong trend. EAs that use either are marked High risk, and you can hide them with the "Hide grid and martingale" filter.
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