For example, you may have 50 email threads all related to the same project, attachments flying around all over the place, different document versions residing with different people, and so on.

That's why shared-workspace solutions like Microsoft's SharePoint are so popular. They put documents, collaboration, and communication under a single, private umbrella.

Alas, for many a small business, tools like SharePoint are price-prohibitive. Thankfully, there's at least one free alternative: .

Specifically, Kerio Workspace Starter Edition, which is more generous and versatile than its name implies. It provides unlimited workspaces, support for an unlimited number of users, and 10GB of shared storage.

The service gives you a simple environment for creating and organizing pages, each of which can contain one or more components: text, images, video, files, Web content, links, task lists, and so on. Users can add comments to any given page, effectively adding a social component to your project.