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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# 16.4k 4.3k

  2. lean-cli lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    Python 286 153

  3. Research Research Public

    Open sourced research notebooks by the QuantConnect team.

    Jupyter Notebook 707 195

  4. Documentation Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    HTML 231 182

  5. IBAutomater IBAutomater Public

    Automates IB Gateway start, stopping and restarting.

    Java 130 58

  6. Tutorials Tutorials Public

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

    Jupyter Notebook 678 243

Repositories

Showing 10 of 92 repositories
  • Documentation Public

    QuantConnect Wiki Style Documentation Behind QuantConnect

    QuantConnect/Documentation’s past year of commit activity
    HTML 231 Apache-2.0 182 38 (1 issue needs help) 0 Updated Feb 9, 2026
  • Lean Public

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

    QuantConnect/Lean’s past year of commit activity
    C# 16,361 Apache-2.0 4,303 240 (8 issues need help) 5 Updated Feb 9, 2026
  • lean-cli Public

    CLI for running the LEAN engine locally and in the cloud

    QuantConnect/lean-cli’s past year of commit activity
    Python 286 Apache-2.0 153 32 0 Updated Feb 9, 2026
  • Lean.Brokerages.dYdX Public

    dYdX Brokerage Plugin

    QuantConnect/Lean.Brokerages.dYdX’s past year of commit activity
    C# 3 3 0 0 Updated Feb 9, 2026
  • Lean.Brokerages.Tastytrade Public

    Tastytrade Brokerage Implementation

    QuantConnect/Lean.Brokerages.Tastytrade’s past year of commit activity
    C# 8 6 0 0 Updated Feb 9, 2026
  • Lean.Brokerages.Alpaca Public

    Alpaca Brokerage Implementation

    QuantConnect/Lean.Brokerages.Alpaca’s past year of commit activity
    C# 10 18 5 0 Updated Feb 9, 2026
  • Lean.Brokerages.TradeStation Public

    TradeStation Brokerage Plugin

    QuantConnect/Lean.Brokerages.TradeStation’s past year of commit activity
    C# 16 16 4 0 Updated Feb 9, 2026
  • Lean.DataSource.FactSet Public

    Implementation to the public FactSet Data API.

    QuantConnect/Lean.DataSource.FactSet’s past year of commit activity
    C# 4 6 0 0 Updated Feb 9, 2026
  • Lean.DataSource.CoinAPI Public

    LEAN CoinAPI Data Source

    QuantConnect/Lean.DataSource.CoinAPI’s past year of commit activity
    C# 2 Apache-2.0 4 0 0 Updated Feb 9, 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 12 0 0 Updated Feb 9, 2026