Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
Altova XMLSpy - The XMLSpy XML Editor is a powerful tool for editing XML and related technologies. It is the only XML Editor with patented SmartFix validation, enterprise-grade editors, converters, debuggers, and code generators.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
XML Copy Editor - XML Copy Editor is a fast, free, validating XML editor.
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Liquid Studio - XML Tools Provider: XML Studio - Graphical XML Schema Editor.