Refit by: .NET Foundation and Contributors
  • 453 total downloads
  • Latest version: 11.2.0
The automatic type-safe REST library for Xamarin and .NET
ReflectionBridge by: Stef Heyenrath
  • 93 total downloads
  • Latest version: 0.0.13
  • type typeinfo extensions proxy bridge reflection
Provides some extensions which define a bridge for the differences between Type and TypeInfo.
reCAPTCHA.Net by: AlanJohn
  • 21 total downloads
  • Latest version: 1.0.0
Google reCAPTCHA .NET Standard 2.0
Quartz.Extensions.Hosting by: Andrew Lock, Marko Lahma, Quartz.NET
  • 550 total downloads
  • Latest version: 3.18.1
  • scheduling tasks jobs triggers scheduler threading
Quartz.NET Generic Host integration; Quartz Scheduling Framework for .NET
Remotion.Linq.EagerFetching by: rubicon IT GmbH
  • 37 total downloads
  • Latest version: 2.2.0
  • re-motion LINQ Eager Fetching
Allows LINQ providers based on re-linq Frontend to support eager fetching.
QuestPDF by: MarcinZiabek
  • 1,138k total downloads
  • Latest version: 2026.6.0
  • 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.
RestSharp by: .NET Foundation and Contributors
  • 4,693k total downloads
  • Latest version: 114.0.1-alpha.0.4
Simple REST and HTTP API Client
Roslyn.Diagnostics.Analyzers by: Microsoft
  • 1,247k total downloads
  • Latest version: 5.0.0-1.25277.114
  • Roslyn CodeAnalysis Compiler CSharp VB VisualBasic Diagnostic Analyzers Syntax Semantics
Private analyzers specific to Roslyn repo. These analyzers are not intended for public consumptions outside of the Roslyn repo.
RESPite by: Stack Exchange, Inc., Marc Gravell, Nick Craver
  • 22 total downloads
  • Latest version: 3.0.2-preview
Package Description
React.Core by: Daniel Lo Nigro
  • 1,181k total downloads
  • Latest version: 5.2.12
  • asp.net mvc asp jquery javascript js react facebook reactjs babel
ReactJS and Babel tools for .NET. Important: This package does not do much on its own; you probably want an integration package (like React.Web.Mvc4) as well. Please refer to project site (http://reactjs.net/) for more details, usage examples and sample code.
Rg.Plugins.Popup by: Kirill Lyubimov
  • 199 total downloads
  • Latest version: 2.1.0
  • Xamarin.Forms, xamarin, forms, popup, page, modal
Plugin for Xamarin forms. Allows you to open any page as a popup.
Reloadify3000 by: James Clancey
  • 127 total downloads
  • Latest version: 1.0.8
Hot Reload plugin for Comet
reCAPTCHA.AspNetCore by: Timothy D Meadows II
  • 75 total downloads
  • Latest version: 2.2.5
Google reCAPTCHA 2/3 for ASP.NET Core 2, and, .NET Standard 2
RBush by: viceroypenguin
  • 266 total downloads
  • Latest version: 4.0.0
  • .NET R-Tree Algorithm tree search spatial index
Spatial Index data structure; used to make it easier to find data points on a two dimensional plane.
Radzen.Blazor by: Radzen Ltd.
  • 15,059k total downloads
  • Latest version: 10.4.9
  • blazor material design fluent fluentui components datagrid scheduler charts
Radzen Blazor is the most sophisticated free UI component library for Blazor, featuring 110+ native components including DataGrid, Scheduler, Charts, and advanced theming with full support for Material Design and Fluent UI.
ReactiveUI.Disposables by: ReactiveUI Association Inc
  • 13 total downloads
  • Latest version: 5.5.0
  • system.reactive rx reactive observable primitives signals schedulers sequencers mvvm functional operators
High-performance reactive primitives for building allocation-conscious ReactiveUI and Rx-style .NET applications without a production dependency on System.Reactive or R3.
Remotion.Linq by: rubicon IT GmbH
  • 644 total downloads
  • Latest version: 2.2.0
  • re-motion LINQ ExpressionTrees
re-linq Frontend: A foundation for parsing LINQ expression trees and generating queries in SQL or other languages. Key features: - Transforms expression trees into abstract syntax trees resemblying LINQ query expressions (from ... select syntax) - Simplifies many aspects of this tree (sub queries, transparent identifieres, pre-evaluation ...) - Provides basic infrastructure for backend development (e.g. SQL generation) - Provides a framework for user-defined query extensions and transformations
RBush.Signed by: viceroypenguin
  • 33 total downloads
  • Latest version: 4.0.0
  • .NET R-Tree Algorithm tree search spatial index
Spatial Index data structure; used to make it easier to find data points on a two dimensional plane.
RabbitMQ.Client by: Broadcom
  • 606 total downloads
  • Latest version: 7.2.1
  • rabbitmq, amqp
The RabbitMQ .NET client is the official client library for C# (and, implicitly, other .NET languages)
Quartz.Serialization.Json by: Marko Lahma, Quartz.NET
  • 558 total downloads
  • Latest version: 3.18.1
  • scheduling tasks jobs triggers scheduler threading
Quartz.NET JSON Serialization Support; Quartz Scheduling Framework for .NET