LEAN is the open-source algorithmic trading engine powering QuantConnect. Founded in 2012 LEAN has been built by a global community of 180+ engineers and powers more than 100+ hedge funds today. Join Our Discord Channel Join QuantConnect's Discord server for real-time support, where a vibrant community of traders and developers awaits to help you with any of your QuantConnect needs.
![LEAN COMMUNITY](https://cdn-ak-scissors.b.st-hatena.com/image/square/260c71a5025cb5899192f2d5815b4776c81dfb6b/height=288;version=1;width=512/https%3A%2F%2Fcdn.quantconnect.com%2Fi%2Ftu%2Flean-rn-meta.png)