11
Synacor, Inc.
5,987
Open source
An advanced email client that includes collaboration features.
6
Zimbra and VMware, Inc.
31
Freeware
The free Zimbra Desktop client allows you combine the online and offline worlds.
4
MoonPhaseSoftware
79
Shareware
Desktop Lunar Calendar 1.6 is a simple lunar calendar program.
10
Google, Inc.
2,207
Freeware
Use Microsoft Outlook 2003, 2007, 2010, 2013 and 2016 with G Suite.
1
Google Calendar
30
Freeware
Google Calendar is one of the most popular Online Scheduling Systems.
1
Konstantins Onufrijevs
128
Open source
Desktop Google Reader is a client that allows to read RSS news from Google.
2
Ankesh Dave & Akanksha Gaur
42
Open source
Calendar Sync + synchronizes Outlook calendar entries to a Google calendar.
3
PPP Infotech Ltd.
359
Freeware
Sync Outlook Calendar appointments with Google Calendar events.
Kenneth
19
Open source
It allows you to sync your Domino calendar with Google Calendar.
4
PPP Infotech Ltd.
44
Shareware
A program to sync Outlook Calendar appointments with Google Calendar events.
CompanionLink Software, Inc.
Freeware
sync google calendar with outlook.
Duality Software
40
Shareware
This app can sync Calendarscope data between your PC and your Google Calendar.
57
Vlad Iliescu
4
Freeware
Atchoo provides desktop notifications for Google Calendar events.
2
Opera widgets
672
Freeware
Google Calendar is an Opera widget that will manage your Google Calendar.
Convert PST to Zimbra
4
Shareware
Convert PST file to Zimbra Desktop using PST to Zimbra conversion tool.
58
Cookapp
139
Freeware
It is a free program that supports Google Calendar and Yahoo! calendar.
