Singulink 

The Silverlight 5 Toolkit MSTest testing support package. Contains all the assemblies required to do unit testing for your Silverlight project. Packaged by Singulink (www.singulink.com) as apparently no more love is being shown by Microsoft for Silverlight :(

Automatic null check injection for runtime C# 8+ Nullable Reference Type (NRT) contract validation.

The core Silverlight 5 Toolkit controls package. Includes the Internals assembly missing from Tim's semi-official SL4 package. Packaged by Singulink (www.singulink.com) as apparently no more love is being shown by Microsoft for Silverlight :(

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

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

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

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

Reliable cross-platform strongly-typed file/directory path manipulation and file system access.

The Silverlight 5 Toolkit theming core package. You must add specific theme assemblies separately. Packaged by Singulink (www.singulink.com) as apparently no more love is being shown by Microsoft for Silverlight :(

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 :(

Base types to support custom DHCP server implementations in .NET.

A simple yet versatile .NET tokenized string formatting library written in C# to replace string.Format.

Fast, efficient, low-memory footprint generic operations and extension methods for enumeration types.

Upgradable hash algorithm password management library for .NET.

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

Adds Argon2 hash algorithm support for Singulink.Cryptography.PasswordHasher.

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