VintaSoftTiff.NET Library allows to work with multipage TIFF files without usage of temporary file. You can add/insert image to multipage TIFF file, delete image from TIFF file, split one multipage TIFF file to many files. Library can be used on a server side for saving uploaded images in one multipage TIFF file on server side. Image processing functions are also available: despeckle, deskew, border detection, blank page detection. Library was tested and has examples for VB.NET, C#, ASP.NET, Borland Delphi 8.0, Borland C# Builder.
This software is a shareware. You will be able to download and test VintaSoftTiff.NET Library during a certain period of time, then, if it does what you need, you will have to acquire the full version from VintaSoftTiff.NET Library publisher. The VintaSoftTiff.NET Library 2.2 free trial version contains an installer and an uninstaller, and has a size of 485 Kilobytes.
For additional information and support request, please contact directly VintaSoftTiff.NET Library publisher.

VintaSoftTiff.NET Library Screenshot