The 4sync SOAP API provides over 50 API functions like uploading and downloading files and deleting folders. The API gives access to 4sync's cloud synching, which is acknowledged to be among the least expensive deals available, featuring 15 gigabytes of free storage.
Today at its latest Campfire One event, Google announced major updates to Google App Engine, their scalable cloud computing platform for web applications. App Engine developers will soon be able to create web-scale applications using standard Java APIs, and will be able to create AJAX components using Google's Web Toolkit. Other major features include cron support for scheduling tasks, tools for securely accessing and importing data, and a new Google development plugin for the Eclipse IDE.