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@QuantConnect

QuantConnect

Python and C# algorithmic trading platform

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  1. Lean Lean Public

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

    C# 18.5k 4.7k

  2. lean-cli lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    Python 298 160

  3. Research Research Public

    Open sourced research notebooks by the QuantConnect team.

    Jupyter Notebook 744 198

  4. Documentation Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    HTML 240 188

  5. IBAutomater IBAutomater Public

    Automates IB Gateway start, stopping and restarting.

    Java 135 58

  6. Tutorials Tutorials Public

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

    Jupyter Notebook 703 242

Repositories

Showing 10 of 93 repositories
  • Lean.Brokerages.dYdX Public

    dYdX Brokerage Plugin

    QuantConnect/Lean.Brokerages.dYdX’s past year of commit activity
    C# 3 5 0 0 Updated Apr 17, 2026
  • Lean.Brokerages.Tastytrade Public

    Tastytrade Brokerage Implementation

    QuantConnect/Lean.Brokerages.Tastytrade’s past year of commit activity
    C# 9 8 0 0 Updated Apr 17, 2026
  • Lean.Brokerages.Alpaca Public

    Alpaca Brokerage Implementation

    QuantConnect/Lean.Brokerages.Alpaca’s past year of commit activity
    C# 13 20 4 4 Updated Apr 17, 2026
  • Lean.Brokerages.TradeStation Public

    TradeStation Brokerage Plugin

    QuantConnect/Lean.Brokerages.TradeStation’s past year of commit activity
    C# 17 17 4 0 Updated Apr 17, 2026
  • Lean.DataSource.FactSet Public

    Implementation to the public FactSet Data API.

    QuantConnect/Lean.DataSource.FactSet’s past year of commit activity
    C# 4 7 0 0 Updated Apr 17, 2026
  • Lean.DataSource.CoinAPI Public

    LEAN CoinAPI Data Source

    QuantConnect/Lean.DataSource.CoinAPI’s past year of commit activity
    C# 2 Apache-2.0 6 0 0 Updated Apr 17, 2026
  • Lean.DataSource.AlphaVantage Public

    LEAN Alpha Vantage Data Source

    QuantConnect/Lean.DataSource.AlphaVantage’s past year of commit activity
    C# 9 Apache-2.0 13 0 0 Updated Apr 17, 2026
  • Lean.DataSource.IQFeed Public

    LEAN IQFeed Data Source

    QuantConnect/Lean.DataSource.IQFeed’s past year of commit activity
    C# 3 10 1 0 Updated Apr 17, 2026
  • Lean.DataSource.ThetaData Public

    Integration with ThetaData for Options History and Live Streaming

    QuantConnect/Lean.DataSource.ThetaData’s past year of commit activity
    C# 21 Apache-2.0 14 3 0 Updated Apr 17, 2026
  • Lean.DataSource.DataBento Public

    Historical downloads and live data streaming

    QuantConnect/Lean.DataSource.DataBento’s past year of commit activity
    C# 4 Apache-2.0 7 0 0 Updated Apr 17, 2026
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finance quantconnect