Singulink 

Range types for each primitive integer type that can be enumerated over, intersected, unioned and coalesced.

The Silverlight 5 Toolkit data controls package. Packaged by Singulink (www.singulink.com) as apparently no more love is being shown by Microsoft for Silverlight :(

Disposable guards for ReaderWriterLockSlim that simplify entering and reliably exiting locks.

WinUI 3 / Uno Platform support for the Singulink.Navigation framework.

Widely useful highly optimized collections that are missing from the .NET BCL. Commonly Used Types: Singulink.Collections.Map<TLeft, TRight> Singulink.Collections.ListDictionary<TKey,... More information

Lightning fast methods to create objects and get delegates that call object constructors with matching parameters

Singulink WinUI 3 / Uno Platform extensions (behaviors, converters, static convert methods).

Provides super fast dynamic and generic casting capabilities between types determined at runtime.

Collection abstractions for Singulink.Collections. Commonly Used Types: System.Collections.Generic.IReadOnlySet<T> (netstandard polyfill) Singulink.Collections.ICollectionDictionary<TKey,... More information

Strongly-typed AOT-friendly navigation framework with comprehensive deep-linking support.

DI-friendly and UI framework-agnostic task runner/dispatcher with integrated support for managing UI busy-state while tasks are running.

Base routed view model classes for use with Singulink.Navigation and the MVVM Community Toolkit.