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QuantConnect

Python and C# algorithmic trading platform

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  1. Lean Lean Public

    Lean Algorithmic Trading Engine by QuantConnect (Python, C#)

    C# 14.2k 4k

  2. lean-cli lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    Python 277 148

  3. Research Research Public

    Open sourced research notebooks by the QuantConnect team.

    Jupyter Notebook 696 195

  4. Documentation Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    HTML 225 179

  5. IBAutomater IBAutomater Public

    Automates IB Gateway start, stopping and restarting.

    Java 129 56

  6. Tutorials Tutorials Public

    Jupyter notebook tutorials from QuantConnect website for Python, Finance and LEAN.

    Jupyter Notebook 663 242

Repositories

Showing 10 of 90 repositories
  • Lean Public

    Lean Algorithmic Trading Engine by QuantConnect (Python, C#)

    QuantConnect/Lean’s past year of commit activity
    C# 14,169 Apache-2.0 4,040 241 (9 issues need help) 5 Updated Dec 27, 2025
  • Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    QuantConnect/Documentation’s past year of commit activity
    HTML 225 Apache-2.0 179 37 (1 issue needs help) 0 Updated Dec 26, 2025
  • Lean.Brokerages.dYdX Public

    dYdX Brokerage Plugin

    QuantConnect/Lean.Brokerages.dYdX’s past year of commit activity
    C# 1 1 0 0 Updated Dec 26, 2025
  • Lean.Brokerages.InteractiveBrokers Public

    InteractiveBrokers Brokerage Plugin

    QuantConnect/Lean.Brokerages.InteractiveBrokers’s past year of commit activity
    C# 57 Apache-2.0 42 28 0 Updated Dec 26, 2025
  • pythonnet Public Forked from pythonnet/pythonnet

    Python for .NET is a package that gives Python programmers nearly seamless integration with the .NET Common Language Runtime (CLR) and provides a powerful application scripting tool for .NET developers.

    QuantConnect/pythonnet’s past year of commit activity
    C# 28 MIT 829 4 0 Updated Dec 26, 2025
  • Lean.Brokerages.Tastytrade Public

    Tastytrade Brokerage Implementation

    QuantConnect/Lean.Brokerages.Tastytrade’s past year of commit activity
    C# 3 3 0 0 Updated Dec 26, 2025
  • Lean.Brokerages.Alpaca Public

    Alpaca Brokerage Implementation

    QuantConnect/Lean.Brokerages.Alpaca’s past year of commit activity
    C# 10 16 6 0 Updated Dec 26, 2025
  • Lean.Brokerages.TradeStation Public

    TradeStation Brokerage Plugin

    QuantConnect/Lean.Brokerages.TradeStation’s past year of commit activity
    C# 16 14 4 0 Updated Dec 26, 2025
  • Lean.DataSource.FactSet Public

    Implementation to the public FactSet Data API.

    QuantConnect/Lean.DataSource.FactSet’s past year of commit activity
    C# 4 5 0 0 Updated Dec 26, 2025
  • Lean.DataSource.CoinAPI Public

    LEAN CoinAPI Data Source

    QuantConnect/Lean.DataSource.CoinAPI’s past year of commit activity
    C# 1 Apache-2.0 3 0 0 Updated Dec 26, 2025