Connect your PC or Mac to your Android phone – Motorola Droid, Google Nexus One, HTC Hero, Motorola CLIQ, T-Mobile myTouch, T-Mobile G1 and many others coming from Motorola, Samsung, LG and HTC. The Missing Sync for Android is the best all-in-one sync software that helps you get the most from the features of your phone.Keep contacts in sync wirelessly via Wi-Fi or Bluetooth.4 Transfer music, ringtones, photos, files, and videos fast with a USB cable. The Missing Sync software makes it easy to use your information and media files on an Android phone – and take them wherever you go.
This seems that this tool is a more advanced than DoubleTwist however if you maintain everything on the cloud except your Multimedia then DoubleTwist is fine for you.
Missing Sync is focused on users who don’t want to hassle and is a tad pricey at $39.95, there is some cooler features coming though.