Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Loxi - Easily add an events calendar to any website.
The Rock Clock - A motivational alarm clock from Dwane 'The Rock' Johnson
Event Calendar App - A simple, easy to manage, way of displaying events
Integrator.io iPaaS by Celigo - Next-Generation iPaaS integration platform
Whenever - Casual calendar app for iOS