TL:DR; .
.NET component that sends and receives faxes using a fax modem. It has been developed in c-sharp and source code can be purchased.
Aspose.ASPXpand is an ASP.NET component that helps in bridging the gap between web and desktop development. Supported features are; Controls management, Page and Windows management, Event handling, Database Oriented, Messaging and Utility features.
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).
Aspose.Tasks is a .NET Project® management component that enables applications to Read, Write and Modify Microsoft Project® documents, MPX Projects and modifying MS Projects 2000-2003 in XML format, Access to Currency settings, Calendars and Tasks.