1. SharePoint Alternative - Comparison of Popular SharePoint Alternatives
(Page/Page)

... drives, shared folders, imap support, pop3 support, outlook integration, task management, sharepoint tco, shared links]  ...

2. SharePoint Alternative - Comparison of Popular SharePoint Alternatives
(Page/Page)

...           Document Collaboration File Locking   Versioning Notifications Auditiing   Virtual Drives     Shared Folders Any Browser Intranet/Extranet Publishing     ...