QuantConnect.Common by: QuantConnect.Common
  • 5.516k total downloads
  • Latest version: 2.5.17865
QuantConnect LEAN Engine: Common Project - A collection of common definitions and utils
QuantConnect.Compression by: QuantConnect Team and Community Contributors
  • 1.122k total downloads
  • Latest version: 2.4.8341
  • algorithm algorithmic-trading-engine bitcoins broker c-sharp cfd crypto finance future forex fxcm gdax hft hft-trading interactive-brokers lean-engine markets nasdaq oanda options python quant quantconnect quantitative-finance stock-indicators trading trading-algorithms trading-bot trading-platform trading-robots trading-strategies
QuantConnect LEAN Engine: Compression Project - A library with compression tools
QuantConnect.IBAutomater by: QuantConnect.IBAutomater
  • 2.471k total downloads
  • Latest version: 2.0.62
QuantConnect IBAutomater
QuantConnect.Indicators by: QuantConnect.Indicators
  • 1.479k total downloads
  • Latest version: 2.5.11072
QuantConnect LEAN Engine: Indicators Project - A collection of financial indicators
QuantConnect.Lean by: QuantConnect Team and Community Contributors
  • 1.338k total downloads
  • Latest version: 2.5.10793
  • algorithm algorithmic-trading-engine bitcoins broker c-sharp cfd crypto finance future forex fxcm gdax hft hft-trading interactive-brokers lean-engine markets nasdaq oanda options python quant quantconnect quantitative-finance stock-indicators trading trading-algorithms trading-bot trading-platform trading-robots trading-strategies
QuantConnect LEAN Engine: Launcher Project - Main startup executable for live and backtesting
QuantConnect.Lean.Engine by: QuantConnect.Lean.Engine
  • 1.342k total downloads
  • Latest version: 2.5.11072
QuantConnect LEAN Engine: Engine Project - Core engine and datafeed implementation
QuantConnect.Logging by: QuantConnect.Logging
  • 1.447k total downloads
  • Latest version: 2.5.10834
QuantConnect LEAN Engine: Logging Project - The logging library implementation
QuantConnect.Messaging by: QuantConnect Team and Community Contributors
  • 1.214k total downloads
  • Latest version: 2.4.8341
  • algorithm algorithmic-trading-engine bitcoins broker c-sharp cfd crypto finance future forex fxcm gdax hft hft-trading interactive-brokers lean-engine markets nasdaq oanda options python quant quantconnect quantitative-finance stock-indicators trading trading-algorithms trading-bot trading-platform trading-robots trading-strategies
QuantConnect LEAN Engine: Messaging Project - The external messaging system implementation
QuantConnect.pythonnet by: Python.Runtime
  • 1.503k total downloads
  • Latest version: 2.0.3
  • python interop dynamic dlr Mono pinvoke
Python and CLR (.NET and Mono) cross-platform language interop
QuantConnect.Queues by: QuantConnect Team and Community Contributors
  • 1.165k total downloads
  • Latest version: 2.4.8341
  • algorithm algorithmic-trading-engine bitcoins broker c-sharp cfd crypto finance future forex fxcm gdax hft hft-trading interactive-brokers lean-engine markets nasdaq oanda options python quant quantconnect quantitative-finance stock-indicators trading trading-algorithms trading-bot trading-platform trading-robots trading-strategies
QuantConnect LEAN Engine: Queues Project - Handles and generates live and backtesting algorithm jobs
QuantConnect.Research by: QuantConnect.Research
  • 4.807k total downloads
  • Latest version: 2.5.17865
QuantConnect LEAN Engine: Research Project - Core implementation for jupyter research environment
QuantConnect.ToolBox by: QuantConnect.ToolBox
  • 4.578k total downloads
  • Latest version: 2.5.17865
QuantConnect LEAN Engine: ToolBox Project - A collection of data downloaders and converters
Quartz by: Marko Lahma, Quartz.NET
  • 1.518k total downloads
  • Latest version: 3.18.2
  • scheduling tasks jobs triggers scheduler threading
Quartz Scheduling Framework for .NET
Quartz.Extensions.DependencyInjection by: Facundo Glaeser, Marko Lahma, Quartz.NET
  • 909 total downloads
  • Latest version: 3.18.2
  • scheduling tasks jobs triggers scheduler threading
Quartz.NET Microsoft.Extensions.DependencyInjection integration; Quartz Scheduling Framework for .NET
Quartz.Extensions.Hosting by: Andrew Lock, Marko Lahma, Quartz.NET
  • 633 total downloads
  • Latest version: 3.18.2
  • scheduling tasks jobs triggers scheduler threading
Quartz.NET Generic Host integration; Quartz Scheduling Framework for .NET
Quartz.Jobs by: Marko Lahma, Quartz.NET
  • 824 total downloads
  • Latest version: 3.18.1
  • scheduling tasks jobs triggers scheduler threading
Quartz.NET Jobs; Quartz Scheduling Framework for .NET
Quartz.Plugins by: Marko Lahma, Quartz.NET
  • 906 total downloads
  • Latest version: 3.18.2
  • scheduling tasks jobs triggers scheduler threading
Quartz.NET Plugins; Quartz Scheduling Framework for .NET
Quartz.Plugins.TimeZoneConverter by: Sean Farrow, Quartz.NET
  • 936 total downloads
  • Latest version: 3.18.1
  • scheduling tasks jobs triggers scheduler threading
Quartz.NET TimeZoneConverter integration https://github.com/mj1856/TimeZoneConverter; Quartz Scheduling Framework for .NET
Quartz.Serialization.Json by: Marko Lahma, Quartz.NET
  • 837 total downloads
  • Latest version: 3.18.2
  • scheduling tasks jobs triggers scheduler threading
Quartz.NET JSON Serialization Support; Quartz Scheduling Framework for .NET
QuestPDF by: MarcinZiabek
  • 3.068k total downloads
  • Latest version: 2026.6.1
  • pdf generation creation document report invoice export tagged accessibility csharp dotnet fluent layout merge edit html
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.