No Kontact - KMail videos yet. You could help us improve this page by suggesting one.
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
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.
Geary - Geary is an email application built for GNOME 3.
Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
Evolution - Apps/Evolution - GNOME Wiki!
Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.