MQL5 is a site for traders working with MetaTrader offering market tools, signals, automated trading robots, freelance developers, forum, documentation and other materials for algorithmic trading. It will be useful in daily browsing, researching and decision-making.
The most obvious fact is that MQL5 is a community and marketplace for MetaTrader platforms. Users visit the site for trading robots, indicators, signals, freelance services, and other things related to trading.
It is necessary to note that MQL5 is a kind of a marketplace and service ecosystem, which means that sitewide promo codes are not the primary way to save money. Each seller or service provider sets his own prices and deals.
One needs to understand that some products on the market place can have demo versions or something else. One should check out the product page before the purchase.
One needs to compare similar indicators or robots, read reviews, test demos if possible, and do not purchase the tools which are not compatible with your trading platform and strategy. Cheapest product is not always the best one.
Yes, it is correct to say that the site has a section with freelance services. The users can find developers of trading robots, indicators, scripts, and other things for MetaTrader.
As a rule, the MQL5 signals can be both free and paid depending on the provider. One should check out the performance, risk, drawdown, fees, and compatibility with your account.
Before purchasing anything from MQL5, it is necessary to check the seller's reputation, reviews, MetaTrader version compatibility, updates frequency, refund policy, and other things.