Actiontext is a very simple and basic universal app for managing your tasks. It uses the todo.txt file format. You can then synchronise the file with your cloud provider of choice.


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 Microsoft Outlook. It's not free, so if you're looking for a free alternative, you could try TreeSheets or Evolution. Other great apps like EssentialPIM are eM Client, Quire, ToDoList and ClickUp.
Actiontext is a very simple and basic universal app for managing your tasks. It uses the todo.txt file format. You can then synchronise the file with your cloud provider of choice.


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.



Swift To-Do List - all your tasks and notes in one place. The number one task organizer for Windows. Light-weight and easy to use, yet powerful.



TodoTxtMac is a minimalist, keyboard-driven to-do manager for Mac OS X (10.8 Mountain Lion and higher) that conforms to the todo.txt format spec. - mjdescy/TodoTxtMac
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.

TaskJot - GTD app made for Blackberry featuring sync to Toodledo.com. A Blackberry todo application more convienient than any other!



qOrganizer is a general organizer that includes a calendar with schedule,reminders,journal/notes for every day, to-do list.



With Black Hole Organizer you can store all of your notes and documents in one convenient place AND you can get them back out again.

Online GTD manager.
You can use it to manage your goals, projects and tasks, set next actions and contexts, use checklists, schedules and a calendar. A mobile version is available too.




Foguru is a teamwork & collaboration app for entrepreneurs and family offices with many different teams working remotely on different businesses and projects. As a single shared source of truth, the act of updating Foguru replaces writing reports.








Collaborative Task Management Software EASY-TO-USE TASK MANAGEMENT SOFTWARE THAT IMPROVES YOUR TEAM EFFICIENCY.



Grapple is for teams. It is not a Personal Information Manager.