TL:DR; COM library for Visual Basic 6, providing functionality to send emails.
COM library for Visual Basic 6, providing functionality to send emails. Supports multiple recepients, email (MIME) attachments, AUTH and POP3 authentication, HTML email, custom headers.
Freeware .NET split-button (dropdown button) control for .NET WinForms. Supports all versions of .NET framework and all Visual Studio versions. Native look and feel. Free for non-commercial use, cheap source code licenses for commercial use.
Easy to use .NET charting controls for ASP.NET and Windows Forms applications. The package includes Graph, Line, Area, Bar and Pie Chart components. Each of them can be fully customized via the hundreds properties and methods. Royalty free.
ESB Professional Computation Suite (ESBPCS for VCL) provides a huge collection of Embarcadero (CodeGear) Delphi Routines and Components to make Data Entry and Manipulation easier for Delphi Developers and their end-users. Includes full source.