Offers calendar synchronisation between Outlook and Google, including attendees and reminders. Completely free, no install necessary, works behind web proxies and actively developed.
United Kingdom
SyncThemCalendars AlternativesCalendar Apps like SyncThemCalendars
Apps similar to SyncThemCalendars include Outlook Google Calendar Sync, which is free and open source. Other options are Keeper, OneCal, gSyncit and Spanning Sync. You can choose from more than 10 Calendar Apps like SyncThemCalendars for the web, Windows, Mac, iPhone and iPad.
Alternatives list
OneCal is a productivity tool that aims to make calendar synchronization as easy as possible. It has a very intuitive UI, supports multi-way syncs, and is fully configurable (you can choose to sync event titles, descriptions, and participants, assign colors to clone events...
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
+1
gSyncit™ is a Microsoft Outlook add-in that allows for the synchronization of Outlook calendars, contacts, notes, and tasks with your Google account.
Cost / License
- Paid
- Proprietary
Platforms
- Windows
United States
+2
Spanning Sync 3 is the one app that syncs both iCal with Google Calendar and Address Book with Google Contacts. It gives you even better control over how your information syncs, and is now up to 10x faster!
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- United States
+1
GDPR-compliant two-way calendar sync across Google, Outlook / Microsoft 365, iCloud, CalDAV and German providers like GMX. You choose per sync what is shared: busy only, title and time, or full details. Connects to Claude and ChatGPT via MCP. German company, German servers, DPA available.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
Germany
EU
+3
OggSync’s mission is to keep mobile users in sync with the scheduling demands of a busy lifestyle, keeping all calendars in one manageable view! Whether it is a users’ Google or Outlook calendar, OggSync syncs to a users mobile phone quickly and automatically, allowing users see...
Cost / License
- Paid
- Proprietary
Platforms
- Windows
Calendar Family is a free, web-based calendar-sync service. It mirrors events in real time (webhook/push, not slow polling) across Google and Microsoft/Outlook, one-way or two-way, so you stop double-booking work and personal accounts.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
Sync Contacts, Calendar and Tasks automatically Across iPhone, Android, Outlook, Gmail and apps
Cost / License
- Paid
- Proprietary
Platforms
- iPhone
- iPad
- Software as a Service (SaaS)
- United States
Canada
Romania
Estonia
