Top 20 NuGet polyfill Packages

Theraot.Core is a .NET Backport (ValueTask, ValueTuple, Task, Expressions, Linq, ThreadLocal, IsExternalInit, Range, Index, etc...) for .NET Framework. .NET Core, .NET Standard
Support of Blazor server-side for Internet Explorer 11, Edge Legacy and more on .NET 6.0.200
Type and Reflection polyfill extension methods for .NET 3.5+ and .NET Standard 1.0+
The module provides extended primitives for multithreaded and asynchronous programming.
The module provides extended functionality for process manipulation.
Represents the Core profile of Gapotchenko.FX.
.NET polyfill to the future. A versatile RAD (Rapid Application Development) framework for .NET platform.
A source code only package which allows you to use C# 9's init and record features in older target frameworks like .NET Standard 2.0 or the "old" .NET Framework by providing a polyfill for the IsExternalInit class. This package does not contain any compiled binaries, but instead adds the IsExternal...
The module provides virtual terminal functionality, console traits and useful primitives for .NET console apps.
The module provides the math operations for combinatorics.
The module provides primitives for string and text manipulation.
The module provides extended math primitives.
The module provides primitives for LINQ expressions.
The module provides primitives for functional processing of data sequences.
The module provides highly demanded input/output functionality that is missing in conventional .NET platform.
The module provides high-level integration with OS web browser.
The module provides primitives for command line manipulation.
The module provides data structures and primitives for collections.
The module provides hardware-accelerated operations for numeric data types.
.NET polyfill to the future. A versatile RAD (Rapid Application Development) framework for .NET platform. Gapotchenko.FX closes the gaps in original .NET design by providing the long-missing functionality that should have been mainstream since 2012. This package represents Gapotchenko.FX.Drawing m...