ASP component to save files that have been uploaded through a browser. Support for multiple files. The files can be saved to disk or to a database as a binary stream. There are also HTTP functions for transferring files between servers. Free trial.
If SharePoint's OOB approach to multi-file uploads causes problems for you, use my Multi Upload Feature for SharePoint instead. The feature adds an Upload Multiple Files command to the Actions menu of all document libraries.
EAUpload is an ASP.NET file upload component that provides expansive functionality for files upload to a web server. It has many features such as: Large files upload; Multiple files upload by one request; Advanced upload status information, etc.
Office Viewer ActiveX Control Control acts as an ActiveX document container for hosting Office documents (including Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, and Microsoft Visio documents) in a custom form or Web page.
PowerPoint ActiveX acts as an ActiveX document container for hosting PowerPoint document in a custom form or Web page. Support PowerPoint automation client and offer abundant sample codes.
Aurigma ASP.NET File Upload provides an easily-deployable solution for adding file upload functionality to your ASP.NET website. Visitors of your site will also be able to take advantage of the user-friendly and efficient interface.
Edraw Viewer Component for Excel contains a standard ActiveX control that acts as an ActiveX document container for hosting MS Excel documents in a custom form or Web page.
Edraw Viewer Component for Word contains a standard ActiveX control that acts as an ActiveX document container for hosting MS Word documents in a custom form or Web page.
Dynamic Web TWAIN is a TWAIN scanning SDK specifically optimized for web applications. You can control TWAIN compatible device drivers in a web page to acquire images, edit and then upload to web servers/databases using the TWAIN control.