QuantConnect.Algorithm.CSharp by: QuantConnect.Algorithm.CSharp

QuantConnect LEAN Engine: Algorithm.CSharp Project - A collection of C# algorithm demonstrations for how to use the API

QuantConnect.Algorithm.Framework by: QuantConnect.Algorithm.Framework

QuantConnect LEAN Engine: Algorithm.Framework Project - The core QCAlgorithm framework implementation

QuantConnect.AlgorithmFactory by: QuantConnect.AlgorithmFactory

QuantConnect LEAN Engine: Algorithm.AlgorithmFactory Project - Factory for instantiation of QCAlgorithm algorithm objects to be used with LEAN

QuantConnect.Api by: QuantConnect Team and Community Contributors

QuantConnect LEAN Engine: API Project - C# SDK for interaction with the QuantConnect.com

QuantConnect.Brokerages by: QuantConnect.Brokerages

QuantConnect LEAN Engine: Brokerages Project - A collection of brokerages for live trading and backtesting

QuantConnect.Common by: QuantConnect.Common

QuantConnect LEAN Engine: Common Project - A collection of common definitions and utils

QuantConnect.Compression by: QuantConnect Team and Community Contributors

QuantConnect LEAN Engine: Compression Project - A library with compression tools

QuantConnect.IBAutomater by: QuantConnect Corp.

QuantConnect IBAutomater package

QuantConnect.Indicators by: QuantConnect.Indicators

QuantConnect LEAN Engine: Indicators Project - A collection of financial indicators

QuantConnect.Lean by: QuantConnect Team and Community Contributors

QuantConnect LEAN Engine: Launcher Project - Main startup executable for live and backtesting

QuantConnect.Lean.Engine by: QuantConnect.Lean.Engine

QuantConnect LEAN Engine: Engine Project - Core engine and datafeed implementation

QuantConnect.Logging by: QuantConnect.Logging

QuantConnect LEAN Engine: Logging Project - The logging library implementation

QuantConnect.Messaging by: QuantConnect Team and Community Contributors

QuantConnect LEAN Engine: Messaging Project - The external messaging system implementation

QuantConnect.pythonnet by: QuantConnect Python Team

QuantConnect PythonNET package

QuantConnect.Queues by: QuantConnect Team and Community Contributors

QuantConnect LEAN Engine: Queues Project - Handles and generates live and backtesting algorithm jobs

QuantConnect.Research by: QuantConnect.Research

QuantConnect LEAN Engine: Research Project - Core implementation for jupyter research environment

QuantConnect.ToolBox by: QuantConnect.ToolBox

QuantConnect LEAN Engine: ToolBox Project - A collection of data downloaders and converters

Quartz by: Marko Lahma

Quartz.NET Scheduling Framework for .NET Platform

Quartz.Serialization.Json by: Marko Lahma

Quartz.NET JSON Serialization Support

QuestPDF by: MarcinZiabek

QuestPDF is a modern PDF generation library for C# and .NET. Create invoices, reports, and data exports — a code-first alternative to HTML-to-PDF conversion. Merge and edit documents, generate PDF/A and accessible PDF/UA files, embed ZUGFeRD and Factur-X invoice XML. Source-available with a free Community license.