TL:DR; 100% managed version of ZLIB compression library.
100% managed version of ZLIB compression library. Full C# source code is included.
Barcode Professional for Silverlight. High quality vector-based Linear, Postal, MICR, Composite and 2D Symbologies. Visual Studio&Expression Blend support. Silverlight printing data-binding support. Save barcode images in image files.
NOV Diagram for .NET is a fully featured diagram component for cross-platform .NET application development - WinForms, WPF, Silverlight and even Mac OS!
Generate barcodes from .NET with Bytescout BarCode Generator SDK which provides 4 types of controls to generate, display, save barcodes: Windows Forms, WebImage Control (ASP.NET), SSRS control, ActiveX. Supports almost all barcodes (1D and 2D types).