Welcome to CalConnect

Welcome to CalConnect

Welcome to CalConnectSM. We are a non-profit partnership between developers, vendors and users of collaboration tools.  More About CalConnect ...

CalConnect For...

Marketcircle joins CalConnect

Marketcircle, based in Markham, Ontario, Canada, creates CRM software for small businesses.  They offer Calendar Client software that implements IMIP/ITIP, as well as a CalDAV service. 


Our Members

  • Google, Inc.
  • Cronofy
  • The University of Wisconsin Madison
  • The University of California
  • fruux GmbH
  • Apple Inc.
  • Verizon Media
  • audriga
  • Thunderbird
  • SchedJoules
  • CalDav Synchronizer
  • Burbio
  • OASIS - Organization for the Advancement of Structured Information Systems
  • Fastmail
  • Open-Xchange
  • Bedework Commercial Services
  • Marketcircle
  • Zimbra
  • M3AAWG - Messaging Malware Mobile Anti-Abuse Working Group
  • Youcanbook.me
  • DHL Express
  • SmoothSync
  • Jorte
  • Ribose Inc.

Connect with Us

Latest Developments