AirDroid - Access Android phone/tablet from computer remotely and securely. Manage SMS, files, photos and videos, WhatsApp, Line, WeChat and more on computer.

EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.

Droid Explorer - A tool to manage your rooted Android device with the simplicity of Windows Explorer.

Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

Wondershare MobileGo - Wondershare MobileGo is a dependable and convenient application that can help you to reinforcement or exchange information from your Android mobile phone to the PC and access particular applications to deal with your records effortlessly.

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.