Paul mentions some Sharepoint downloads at GotDotNet. The downloads are actually demo's from a webcast by Mike Fitzmaurice (March 21st):
SharePoint List Browser/Copier Demo Application - An example of what can be done using a WinForms smart client to access SharePoint sites via SOAP.
Example of how to upload a file to a SharePoint library via the FrontPage RPC protocol - Example of how to upload a file to a SharePoint library via the FrontPage RPC protocol, including check-in and the setting of custom metadata. This FrontPage RPC protocol is mentioned a lot lately by Mike. Is it because it's going to even better in Sharepoint v3...?
SharePoint Document Library Event Handler for Parsing JPEG Images - Source code for a SharePoint document library event handler that parses JPEG images, extracts their EXIF properties, then updates entries with those properties,modifying the libraries' fields accordingly if needed.
What's New Web Part for SharePoint Sites - Source code for a Web Part that walks through an entire site using the WSS object model and returns the most recently changed entries.