6
Google Inc.
66
Freeware
Add a calendar to the side bar of Google Desktop Search.
22
Google
4,620
Freeware
It is a useful calendar with many customizable features and a nice interface.
1
Spectrum Software, Inc.
158
Shareware
Create different types of calendars using your own photo collection.
13
Google
615
Open source
The Google Data APIs is protocol for reading and writing data on the web.
11
Google, Inc.
13,886
Freeware
Migrate email, contacts and calendar data from Microsoft Outlook to Google Apps.
10
Google, Inc.
2,207
Freeware
Use Microsoft Outlook 2003, 2007, 2010, 2013 and 2016 with G Suite.
Yellow River Arts Ltd.
4
Shareware
Software and expert help to copy any Palm Calendar to Google,Outlook,etc.
PCVITA
12
Shareware
PCVITA Outlook Migrator For Google Apps allows you to export Outlook Google Apps.
Kenneth
19
Open source
It allows you to sync your Domino calendar with Google Calendar.
EASY programs
53
Freeware
History Calendar Button is a handy calendar for Google Chrome.
99
Naresh Manandhar
1,705
Freeware
It is a software with integrated Dual Calendar (AD/BS) and Date converter.
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.
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.
GooOut.Net
8
Shareware
Sync Your Outlook Calendar and Contacts with Google and Your Mobile.