Orbit Communicator is a client server application that's designed to be deployed locally on your desktop machine. It currently provides an integrated email / calendaring experience based on external IMAP mail sources.



EssentialPIM is described as 'The powerful, full-featured Personal Information Manager for Windows offering Email, Synchronization, Portability, Network support, Android and iOS versions' and is a popular todo list manager in the office & productivity category. There are more than 100 alternatives to EssentialPIM for a variety of platforms, including Windows, Mac, Web-based, iPhone and Android apps. The best EssentialPIM alternative is TreeSheets, which is both free and Open Source. Other great apps like EssentialPIM are Evolution, Microsoft Outlook, eM Client and Quire.
Orbit Communicator is a client server application that's designed to be deployed locally on your desktop machine. It currently provides an integrated email / calendaring experience based on external IMAP mail sources.



A self-hosted open source system for the long-term management of personal information. It is a combination of a web-based application intended for desktop use, and an Android mobile reader application.

TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.).




Pegasus Mail is a free, standards-based electronic mail client suitable for use by single or multiple users on single computers or on local area networks.




Taskfully is a productivity tool that leverages proven techniques and research to help you get closer to your goals each day. Too many busy individuals and small teams have been stuck using task management tools that are better suited for grocery lists and don't...

Focus Matrix is a smart personal organizer based on the so-called Eisenhower box, a personal productivity strategy created by Dwight Eisenhower, the 34th President of the United States. The principle uses a special priority matrix that helps break your tasks into several groups...




TakeAction iOS app combines a game and the Getting Things Done approach. Great for people who want to achieve their long-term goals.




Turn the Facebook News Feed into a todo list so you can stop wasting time and start getting things done.

Tracked is a chrome extension that adds labels and estimates to Basecamp to-dos and kanban boards for Basecamp projects all within Basecamp's UI.


Todo Pro is your personal assistant and ready to help you get stuff done. Todo comes with powerful tools to tackle everything from "honey-dos" to important work projects. Pull out all the stops and create shared task lists with your colleagues; make assignments, add...




DayTasks lets you easily manage adding new tasks, removing tasks, marking tasks complete, archiving completed tasks to your done.txt file, and even filtering and searching through tasks in a simple way that lets you find certain projects or contexts easily.


Simple way to manage your todo list in AJAX style. Written in PHP and jQuery. Data stored in SQLite or MySQL database. Distributed under the GNU GPL License.
Features
Multiple lists Task notes Tags (and tag cloud) Due dates (input format: y-m-d, m/d/y, d.m.y, m/d, d.m) Priorit.
