Refit by: ReactiveUI and Contributors

Type-safe REST API clients for .NET, generated from annotated interfaces with build-time source generation, direct request construction, System.Text.Json defaults, and support for trimming and AOT.

ReflectionBridge by: Stef Heyenrath

Provides some extensions which define a bridge for the differences between Type and TypeInfo.

reCAPTCHA.Net by: AlanJohn

Google reCAPTCHA .NET Standard 2.0

Quartz.Extensions.Hosting by: Andrew Lock, Marko Lahma, Quartz.NET

Quartz.NET Generic Host integration; Quartz Scheduling Framework for .NET

Remotion.Linq.EagerFetching by: rubicon IT GmbH

Allows LINQ providers based on re-linq Frontend to support eager fetching.

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.

Quartz.AspNetCore by: Lewis Zou, Marko Lahma, Quartz.NET

Quartz.NET ASP.NET Core integration; Quartz Scheduling Framework for .NET

React.Core by: Daniel Lo Nigro

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.

Reloadify3000 by: James Clancey

Hot Reload plugin for Comet

reCAPTCHA.AspNetCore by: Timothy D Meadows II

Google reCAPTCHA 2/3 for ASP.NET Core 2, and, .NET Standard 2

ReactiveUI.Primitives.Core by: ReactiveUI Association Inc

Type-agnostic core primitives shared by ReactiveUI.Primitives and ReactiveUI.Primitives.Reactive.

ReactiveUI.Primitives by: ReactiveUI Association Inc

High-performance reactive primitives for building allocation-conscious ReactiveUI and Rx-style .NET applications without a production dependency on System.Reactive or R3.

RBush by: viceroypenguin

Spatial Index data structure; used to make it easier to find data points on a two dimensional plane.

Radzen.Blazor by: Radzen Ltd.

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.

Quartz.Extensions.DependencyInjection by: Facundo Glaeser, Marko Lahma, Quartz.NET

Quartz.NET Microsoft.Extensions.DependencyInjection integration; Quartz Scheduling Framework for .NET

ReactiveUI.Disposables by: ReactiveUI Association Inc

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

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

Spatial Index data structure; used to make it easier to find data points on a two dimensional plane.

RabbitMQ.Client by: Broadcom

The RabbitMQ .NET client is the official client library for C# (and, implicitly, other .NET languages)

Quartz.Serialization.Json by: Marko Lahma, Quartz.NET

Quartz.NET JSON Serialization Support; Quartz Scheduling Framework for .NET