A free program for Android, by Telekom Deutschland GmbH.
You’re probably already using a data synchronization service, but if you want one that gives you the best of both worlds, you can’t beat Sync-Plus. It’s the best e-mail synchronization for Android devices. With this tool, you can easily synchronize your e-mails, contacts, calendars, and other data with your Android device or any other device that’s using the app. In addition, this app allows you to synchronize your data with the web, so you can access it from anywhere.
To use this app, you just need to download it and install it. After that, you can select which data you want to sync.