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.

Kudos - Kudos is the simple and easy to use employee recognition software that enhances employee engagement and team communication.

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

Fond - Fond employee engagement platform helps companies increase employee happiness with recognition, rewards, perks and survey programs to maximize impact..

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

Bonusly - Recognition and rewards that make work fun