QuantConnect
Portfolio concentration
81%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
30 repos
Visible snapshot
13 repositories updated in the last 90 days.
Leading language
C#
Portfolio mix
C# (23), Python (3), Jupyter Notebook (2)
Average size
18
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
81%
of the visible star count comes from this organization's top three repositories.
18
stars per repository in this same snapshot.
C#
is the most common language here, with 13 repositories updated in the last 90 days.
Why this rank
This organization stands out because one flagship repo drives 63% of its visible star count.
Organization pages work best when you separate portfolio breadth from flagship concentration. In QuantConnect's case, the visible top three repositories account for about 81% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is C# (23), Python (3), Jupyter Notebook (2). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | ⭐ Stars | 🍴 Forks | Updated |
|---|---|---|---|---|---|
| 1 | quantconnect/HandsOnAITradingBook Code repository for the book "Hands On AI Trading with Python, QuantConnect, and AWS." | Jupyter Notebook | 337 | 140 | 5 months ago |
| 2 | quantconnect/mcp-server Official Python MCP server for local interactions with the QuantConnect API | Python | 75 | 30 | 2 weeks ago |
| 3 | quantconnect/Lean.DataSource.ThetaData Integration with ThetaData for Options History and Live Streaming | C# | 23 | 14 | Today |
| 4 | quantconnect/Lean.Brokerages.TradeStation TradeStation Brokerage Plugin | C# | 19 | 18 | Today |
| 5 | quantconnect/Lean.Brokerages.Alpaca Alpaca Brokerage Implementation | C# | 15 | 22 | Today |
| 6 | quantconnect/Lean.Brokerages.Tastytrade Tastytrade Brokerage Implementation | C# | 10 | 9 | Today |
| 7 | quantconnect/Lean.DataSource.AlphaVantage LEAN Alpha Vantage Data Source | C# | 10 | 15 | Today |
| 8 | quantconnect/Lean.DataSource.Polygon LEAN Polygon Data Source | C# | 9 | 20 | Today |
| 9 | quantconnect/Lean.DataSource.DataBento Historical downloads and live data streaming | C# | 6 | 8 | Today |
| 10 | quantconnect/Lean.DataSource.FactSet Implementation to the public FactSet Data API. | C# | 4 | 8 | Today |
| 11 | quantconnect/Lean.DataSource.BybitFundingRate ByBit Margin Perp Funding Rates | C# | 4 | 3 | 4 months ago |
| 12 | quantconnect/Lean.Brokerages.dYdX dYdX Brokerage Plugin | C# | 3 | 6 | Today |
| 13 | quantconnect/Lean.DataSource.HuggingFace HuggingFace caching for the QuantConnect Community | Python | 3 | 6 | 4 months ago |
| 14 | quantconnect/Lean.DataSource.CoinAPI LEAN CoinAPI Data Source | C# | 3 | 7 | Today |
| 15 | quantconnect/Lean.DataSource.IQFeed LEAN IQFeed Data Source | C# | 3 | 11 | Today |
| 16 | quantconnect/Lean.DataSource.InteractiveBrokersShortStock LEAN Interactive Brokers Short Stock Availability Data Source | C# | 3 | 5 | 4 months ago |
| 17 | quantconnect/Lean.DataSource.dYdXFundingRate dYdX Perp Futures Funding Rates | C# | 2 | 3 | 4 months ago |
| 18 | quantconnect/Lean.DataSource.DerivativeUniverseGenerator | C# | 2 | 7 | 3 months ago |
| 19 | quantconnect/Lean.DataSource.USDAFruitAndVegetables Historical fruit and vegetable pricing | C# | 1 | 5 | 3 months ago |
| 20 | quantconnect/alpaca-trade-api-csharp C# SDK for Alpaca Trade API https://docs.alpaca.markets/ | 1 | 2 | 6 months ago | |
| 21 | quantconnect/PredictNowNET A restful client library, designed to access PredictNow restful API. | Jupyter Notebook | 1 | 3 | 1 years ago |
| 22 | quantconnect/Lean.DataSource.QuiverQuant Quiver Quantitative Alternative Data | C# | 0 | 3 | 1 weeks ago |
| 23 | quantconnect/Lean.DataSource.SEC.FailsToDeliver FTD | C# | 0 | 3 | 7 months ago |
| 24 | quantconnect/docs-style-guide Rackspace Style Guide for Technical Content | 0 | 1 | 1 years ago | |
| 25 | quantconnect/Lean.DataSource.EODHD International micro-economic indicators | C# | 0 | 4 | 4 months ago |
| 26 | quantconnect/Lean.DataSource.QuiverGovernmentContracts LEAN Quiver Government Contracts Data Source | C# | 0 | 2 | 4 months ago |
| 27 | quantconnect/Lean.DataSource.QuiverLobbying LEAN Quiver Lobbying Data Source | C# | 0 | 2 | 4 months ago |
| 28 | quantconnect/Lean.DataSource.QuiverCNBC LEAN Quiver CNBC Data Source | C# | 0 | 2 | 4 months ago |
| 29 | quantconnect/Lean.DataSource.IEX LEAN IEX Data Source | C# | 0 | 4 | 1 years ago |
| 30 | quantconnect/Lean.DataSource.USInterestRate US Interest Rate Data Source | Python | 0 | 3 | 2 years ago |
Next step after the organization read
Learn and methodology
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.