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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# 12.6k 3.8k

  2. lean-cli lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    Python 261 142

  3. Research Research Public

    Open sourced research notebooks by the QuantConnect team.

    Jupyter Notebook 671 190

  4. Documentation Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    HTML 214 174

  5. IBAutomater IBAutomater Public

    Automates IB Gateway start, stopping and restarting.

    Java 126 54

  6. Tutorials Tutorials Public

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

    Jupyter Notebook 650 239

Repositories

Showing 10 of 89 repositories
  • Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    QuantConnect/Documentation’s past year of commit activity
    HTML 214 Apache-2.0 174 43 (1 issue needs help) 0 Updated Oct 28, 2025
  • Lean.DataSource.AlphaVantage Public

    LEAN Alpha Vantage Data Source

    QuantConnect/Lean.DataSource.AlphaVantage’s past year of commit activity
    C# 8 Apache-2.0 9 0 0 Updated Oct 28, 2025
  • Lean.Brokerages.Zerodha Public

    Zerodha Brokerage Plugin

    QuantConnect/Lean.Brokerages.Zerodha’s past year of commit activity
    C# 16 Apache-2.0 12 2 0 Updated Oct 28, 2025
  • Lean.Brokerages.Tastytrade Public

    Tastytrade Brokerage Implementation

    QuantConnect/Lean.Brokerages.Tastytrade’s past year of commit activity
    C# 2 2 0 0 Updated Oct 28, 2025
  • Lean.Brokerages.Alpaca Public

    Alpaca Brokerage Implementation

    QuantConnect/Lean.Brokerages.Alpaca’s past year of commit activity
    C# 8 12 5 0 Updated Oct 28, 2025
  • Lean.Brokerages.TradeStation Public

    TradeStation Brokerage Plugin

    QuantConnect/Lean.Brokerages.TradeStation’s past year of commit activity
    C# 13 12 5 0 Updated Oct 28, 2025
  • Lean.DataSource.FactSet Public

    Implementation to the public FactSet Data API.

    QuantConnect/Lean.DataSource.FactSet’s past year of commit activity
    C# 4 4 0 0 Updated Oct 28, 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 Oct 28, 2025
  • Lean.DataSource.IQFeed Public

    LEAN IQFeed Data Source

    QuantConnect/Lean.DataSource.IQFeed’s past year of commit activity
    C# 3 7 1 0 Updated Oct 28, 2025
  • Lean.DataSource.ThetaData Public

    Integration with ThetaData for Options History and Live Streaming

    QuantConnect/Lean.DataSource.ThetaData’s past year of commit activity
    C# 16 Apache-2.0 10 3 0 Updated Oct 28, 2025