--- title: "QuantConnect Home" canonical: https://www.quantconnect.com/docs/v2 markdown: https://www.quantconnect.com/docs/v2.md language: python source: https://github.com/QuantConnect/Documentation/tree/master/90%20QuantConnect%20Home modified: 2026-10-21 index: https://www.quantconnect.com/llms.txt --- # QuantConnect Home > Code examples are shown in Python. Append `?lang=csharp` to this URL for the C# version of this page. ![](https://cdn.quantconnect.com/i/tu/docs-hp-header-icon.svg) ### Documentation ### Learn to use QuantConnect and Explore Our Features QuantConnect is an open-source, community-driven algorithmic trading platform. Our trading engine is powered by LEAN, a cross-platform, multi-asset technology that brings cutting-edge finance to the open-source community. We support Python and C# programming languages. - [CLOUD PLATFORM](#cloud) - [LOCAL PLATFORM](#local) - [WRITING ALGORITHMS](#algorithms) - [RESEARCH](#research) - [LEAN CLI](#cli) - [LEAN ENGINE](#engine) ### Cloud Platform Join the leading cloud platform for quant research and trading. Easily scale your team on our cloud, and focus on what matters, alpha. [Learn More](https://www.quantconnect.com/docs/v2/cloud-platform.md) ![Cloud Platform](https://cdn.quantconnect.com/i/tu/cloud-tab-img.svg) ### Local Platform The Local Platform enables you to seamlessly develop quant strategies on-premises and in QuantConnect Cloud, getting the best of both environments. [Learn More](https://www.quantconnect.com/docs/v2/local-platform.md) ![Local Platform](https://cdn.quantconnect.com/i/tu/local-tab-img.svg) ### Writing Algorithms Build on a mature, flexible, feature-complete API managing billions of dollars capital, and used by 5,000+ investors every month. [Learn More](https://www.quantconnect.com/docs/v2/writing-algorithms.md) ![Writing Algorithms](https://cdn.quantconnect.com/i/tu/algorithms-tab-img.svg) ### Research Our data repository is preformatted and ready to go. Skip expensive and tedious data processing and get to work. [Learn More](https://www.quantconnect.com/docs/v2/research-environment.md) ![Writing Algorithms](https://cdn.quantconnect.com/i/tu/research-tab-img.svg) ### LEAN CLI LEAN CLI provides notebooks, backtesting, optimization and live trading with a simple to use API, deploying to the cloud or on-premises. [Learn More](https://www.quantconnect.com/docs/v2/lean-cli.md) ![Writing Algorithms](https://cdn.quantconnect.com/i/tu/cli-tab-img.svg) ### LEAN Engine Multi-asset with full portfolio modeling, LEAN is data agnostic, empowering you to explore faster than ever before. [Learn More](https://www.quantconnect.com/docs/v2/lean-engine.md) ![Writing Algorithms](https://cdn.quantconnect.com/i/tu/engine-tab-img.svg) ### Cloud Platform Quickly deploy quantitative strategies on the QuantConnect Cloud Platform [Learn More](https://www.quantconnect.com/docs/v2/cloud-platform.md) ### Local Platform Securely deploy quantitative strategies on-premises with proprietary datasets [Learn More](https://www.quantconnect.com/docs/v2/local-platform.md) ### Writing algorithms Make your first steps to writing a quantitative trading strategy [Learn More](https://www.quantconnect.com/docs/v2/writing-algorithms.md) ### Research Using the interactive Jupyter research environment [Learn More](https://www.quantconnect.com/docs/v2/research-environment.md) ### LEAN CLI Cross-platform CLI which makes it easier to develop with the LEAN engine locally and in the cloud [Learn More](https://www.quantconnect.com/docs/v2/lean-cli.md) ### LEAN Engine Learn the engine powering QuantConnect [Learn More](https://www.quantconnect.com/docs/v2/lean-engine.md) --- ![AI Assistance](https://cdn.quantconnect.com/i/tu/docs-ai-assistance.svg) ![AI Assistance](https://cdn.quantconnect.com/i/tu/ai-docs-section.svg) ### AI Assistance ### Your Quant Assistant Ready to Code Connect leading LLM agents to your account to automate quant research and fast track coding on QuantConnect. [Learn More](https://www.quantconnect.com/docs/v2/ai-assistance.md) ![Bootcamp](https://cdn.quantconnect.com/i/tu/bootcamp-docs-img.svg) ![Bootcamp](https://cdn.quantconnect.com/i/tu/bootcamp-docs-icon.svg) ### BootCamp ### Your Quantitative Foundation A collection of courses from independent educators to improve your quant skill base and create better strategies. [Start Learning](https://www.quantconnect.com/learning) ## Pages in This Section - [Cloud Platform](https://www.quantconnect.com/docs/v2/cloud-platform.md): Start Your QuantConnect Journey. Learn to use the QuantConnect Platform and explore our features. - [Local Platform](https://www.quantconnect.com/docs/v2/local-platform.md): Start Your QuantConnect Journey. Learn to use Local Platform and explore its features. - [Writing Algorithms](https://www.quantconnect.com/docs/v2/writing-algorithms.md): Learn tools you need to build algorithmic trading strategies. - [Research Environment](https://www.quantconnect.com/docs/v2/research-environment.md): Learn how to create and conduct research with jupyter notebook in QuantConnect. - [Lean CLI](https://www.quantconnect.com/docs/v2/lean-cli.md): Cross-platform CLI which makes it easier to develop with the LEAN engine locally and in the cloud - [LEAN Engine](https://www.quantconnect.com/docs/v2/lean-engine.md) - [Meta](https://www.quantconnect.com/docs/v2/meta/change-log.md) - [AI Assistance](https://www.quantconnect.com/docs/v2/ai-assistance.md): Cutting Edge Tooling for Your AI. Chatbots, Agents, and MCP Servers to Empower Your Quant Research.