Teamup Calendar - Cloud-based calendaring using capability URL, application developed in Zurich, Switzerland.
15Five Plus - Insights to manage, measure, and retain great employees.
ApPHP Calendar - ApPHP Calendar is a PHP calendar script that may be easily integrated and used with various PHP projects, such as schedulers, event, etc.
Teambit - Teambit is a team engagement and performance platform, that makes feedback a daily habit.
UpTo - Life goes beyond meetings and appointments
HappyTeam - The simplest way to keep a pulse on your team's mental health and well-being.