ical-org Ical.Net by: ical-org .NET 6.0 This package targets .NET 6.0. The package is compatible with this framework or higher. .NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher. 27,449,745 total downloads last updated 2/9/2026 Latest version: 5.2.1 iCal Calendar icalendar ics outlook events rfc-5545 rfc-2445 The most popular iCalendar (RFC 5545) class library for .NET.