Repositories list

• Lean.DataSource.FactSet

  Public
  Implementation to the public FactSet Data API.

  C#

  •99 forks•44 stars•00 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.Zerodha

  Public
  Zerodha Brokerage Plugin

  C#

  •

  Apache License 2.0

  •1818 forks•2222 stars•22 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.dYdX

  Public
  dYdX Brokerage Plugin

  C#

  •88 forks•33 stars•00 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.Tastytrade

  Public
  Tastytrade Brokerage Implementation

  C#

  •1111 forks•1111 stars•11 issue•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.Alpaca

  Public
  Alpaca Brokerage Implementation

  C#

  •2222 forks•1616 stars•44 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.TradeStation

  Public
  TradeStation Brokerage Plugin

  C#

  •1919 forks•2020 stars•55 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.DataSource.CoinAPI

  Public

  QuantConnect/Lean.DataSource.CoinAPI’s past year of commit activity
  LEAN CoinAPI Data Source

  C#

  •

  Apache License 2.0

  •88 forks•33 stars•00 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.DataSource.AlphaVantage

  Public

  QuantConnect/Lean.DataSource.AlphaVantage’s past year of commit activity
  LEAN Alpha Vantage Data Source

  C#

  •

  Apache License 2.0

  •1616 forks•1212 stars•00 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.DataSource.IQFeed

  Public
  LEAN IQFeed Data Source

  C#

  •1111 forks•33 stars•11 issue•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.DataSource.ThetaData

  Public
  Integration with ThetaData for Options History and Live Streaming

  C#

  •

  Apache License 2.0

  •1414 forks•2424 stars•33 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.DataSource.DataBento

  Public
  Historical downloads and live data streaming

  C#

  •

  Apache License 2.0

  •88 forks•66 stars•00 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.DataSource.Polygon

  Public
  LEAN Polygon Data Source

  C#

  •2121 forks•1010 stars•11 issue•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.ByBit

  Public
  ByBit Brokerage Integration to LEAN

  C#

  •1414 forks•88 stars•11 issue•22 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.Wolverine

  Public
  Wolverine Execution and Routing

  C#

  •88 forks•22 stars•00 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.RaiffeisenBankInternational

  Public
  FIX Implementation to Raiffeisen Centrobank

  C#

  •55 forks•11 star•00 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.OANDA

  Public
  OANDA Brokerage Implementation

  C#

  •

  Apache License 2.0

  •1919 forks•99 stars•22 issues•11 pull request•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.Tradier

  Public
  Tradier Brokerage Implementation

  C#

  •

  Apache License 2.0

  •1414 forks•1010 stars•33 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.Coinbase

  Public
  Coinbase Pro brokerage template

  C#

  •

  Apache License 2.0

  •1414 forks•66 stars•44 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.Bitfinex

  Public
  Bitfinex Brokerage Plugin

  C#

  •

  Apache License 2.0

  •1010 forks•22 stars•22 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.InteractiveBrokers

  Public
  InteractiveBrokers Brokerage Plugin

  C#

  •

  Apache License 2.0

  •6464 forks•7575 stars•2525 issues•22 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.Binance

  Public
  Binance Brokerage Plugin

  C#

  •

  Apache License 2.0

  •3131 forks•1313 stars•66 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.Samco

  Public
  Samco Brokerage Plugin

  C#

  •

  Apache License 2.0

  •1111 forks•11 star•33 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.Kraken

  Public
  Kraken Brokerage Plugin

  C#

  •

  Apache License 2.0

  •1616 forks•33 stars•55 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean.Brokerages.TradingTechnologies

  Public
  Trading Technologies Brokerage Plugin

  C#

  •

  Apache License 2.0

  •1111 forks•66 stars•11 issue•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Lean

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

  pythonc-sharpfinance+ 12

  pythonc-sharpfinancealgorithmoptionstradingtrading-botforextrading-platformtrading-strategies+ 5

  C#

  •

  Apache License 2.0

  •5k5k forks•20k20k stars•231231 issues•1313 pull requests•Updated Jul 10, 2026Jul 10, 2026

• pythonnet

  Public
  Python for .NET is a package that gives Python programmers nearly seamless integration with the .NET Common Language Runtime (CLR) and provides a powerful appli…

  C#

  •

  MIT License

  •777777 forks•2929 stars•44 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• Documentation

  Public
  QuantConnect Wiki Style Documentation Behind QuantConnect

  HTML

  •

  Apache License 2.0

  •191191 forks•257257 stars•1212 issues•11 pull request•Updated Jul 10, 2026Jul 10, 2026

• alpaca-trade-api-csharp

  Public
  C# SDK for Alpaca Trade API https://docs.alpaca.markets/

  C#

  •

  Apache License 2.0

  •9494 forks•11 star•00 issues•00 pull requests•Updated Jul 10, 2026Jul 10, 2026

• lean-cli

  Public
  CLI for running the LEAN engine locally and in the cloud

  cliquantconnectcloud-backtesting+ 2

  cliquantconnectcloud-backtestingcloud-optimizationlean-data

  Python

  •

  Apache License 2.0

  •169169 forks•317317 stars•3030 issues•11 pull request•Updated Jul 9, 2026Jul 9, 2026

• Lean.Brokerages.Template

  Public template
  Lean Brokerages Template

  C#

  •1414 forks•1212 stars•22 issues•00 pull requests•Updated Jul 8, 2026Jul 8, 2026