Work Folders is a Microsoft application that provides a secure file-syncing solution for Windows-based devices. It allows users to synchronize and back up their files across multiple devices, so they can access them anywhere, anytime. It also provides an extra layer of security by encrypting files and hosting them on the cloud. With Work Folders, users can share files with each other, and control who has access to what files. The application also supports Microsoft Office documents, so users can easily collaborate on documents. It's an easy-to-use solution that makes it easier than ever to store, sync and share files.
Discontinued "The Syncany core team is on hiatus for an indefinite period of time". See https://github.com/syncany/syncany