Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Cronitor - Monitor cron jobs, micro-services, daemons and almost anything else, no setup required. Easier cron troubleshooting and no more silent failures.
Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
Trello Calendar Connector by Cronofy - See and Organize your Trello deadlines inside your calendar
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Agile Guy for Trello - The Swiss army knife for agile teams!