picrap 

MrAdvice allows to weave aspects at build-time (just like PostSharp, but free as in free beer). Write your own aspects in the form of attributes and apply them to target methods or properties.

A simple FTP/FTPS/FTPES client. Multi-connection and thread-safe. Uses high-level methods but also supports direct command sending.

MrAdvice.MVVM is a lightweight MVVM library. It implements NotifyPropertyChanged, DependencyProperty (dependency and attached), A command binder and some threading management.

Allows to manage local files, FTP, FTPES, FTPS and SFTP files in a uniform and simple way

Signs unsigned assemblies at build-time. This is useful if your project requires signing and you use third-party unsigned libraries.

Allows to chain proxy servers in order to reach a given network target. Supports HTTP CONNECT and SOCKS proxy servers.

String wildcard match (I can noyt believe no one wrote already a simple NuGet package to do this).