Top 20 NuGet .net4.5 Packages

A compiler for dylan.NET, a language targeting the CLR
Task helper library for dylan.NET (await support for Task, Task<T>, ValueTask<T>, YieldAwaitable, ConfiguredTaskAwaitable, ConfiguredTaskAwaitable<T>, ConfiguredValueTaskAwaitable<T> + new IAwaiter(<T>)/IAwaitable(<T>) abstractions)
SQLite Portable for .NET4.5, Windows 8+ and Windows Phone 8+.
dylan.NET support for ASP.NET 5
ZipFileEx add feature that support async/await and IProgress<T> to ZipFile/ZipArchive Classes
A not so fancy IoC container that works.
Convenient and easy-to-use TCP library for .NET 4.5 with optional SSL encryption.