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.

EveryoneSocial - Social selling and employee advocacy software designed to help employees become powerful marketers, sellers, and recruiters.

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

Officevibe - Officevibe is an employee survey platform with the mission of improving company culture. Measure and improve your culture in less than 5 minutes per month, with our simple surveys.

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

15Five - 15Five software elevates the performance and engagement of employees by consistently asking questions and starting the right conversations.