Work · alternatives · 2026

24 alternatives to Outlook4Gmail

Smart add-in for Google Contacts & Calendars synchronization

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Outlook4Gmail launched in 2021; newer entries below may have overtaken it.

1. 1
   Outlook Google Calendar Sync for Mac▲83

   Sync Outlook calendars to Google on your Mac

   Aug 2026 · outlookgooglecalendarsyncmac.com · its alternatives →

2. 2
   OneCal▲125

   Synchronise Outlook and Google Calendars

   2023 · onecal.io · its alternatives →

3. 3
   Mixmax for Google Inbox▲337

   The essential productivity suite (tracking, calendar & more)

   2015 · mixmax.com · its alternatives →

4. 4
   ShadowCal▲95

   Sync your Outlook Calendar to Google Calendar

   2025 · shadowcal.com · its alternatives →

5. 5
   SavvyCal for iCloud▲293

   Scheduling links for iCloud, plus Google, Outlook, Fastmail

   2021 · savvycal.com · its alternatives →

6. 6
   New Gmail▲935

   The new version of Gmail web

   2018 · blog.google · its alternatives →

7. 7
   Mixmax▲404

   Instant scheduling, tracking, templates, polls in Gmail

   2015 · mixmax.com · its alternatives →

8. 8
   Meetingbird for Gmail▲333

   View your calendar and schedule meetings right from Gmail

   2017 · front.com · its alternatives →

9. 9
   Superinbox▲531

   Email vibing in your Gmail / Outlook

   Oct 2025 · superinbox.com · its alternatives →

10. 10
    Boomerang for Gmail▲262

    The ultimate toolbox to control sending/receiving emails

    2014 · boomeranggmail.com · its alternatives →

11. 11
    Mailmeteor▲567

    Send hundreds of personalized emails with Gmail.

    2019 · mailmeteor.com · its alternatives →

12. 12
    Button for Google Calendar™▲525

    See your daily schedule and join meetings in one-click.

    2021 · manganum.app · its alternatives →

13. 13
    Unlimited Email Tracker▲496

    Track opens and clicks, set reminders and delays in Gmail

    2019 · snov.io · its alternatives →

14. 14
    Flow-e 2.0▲259

    Turn your Gmail & Outlook into Trello-like task lists 💌

    2018 · flow-e.com · its alternatives →

15. 15
    CompanionLink▲4

    Sync Google Calendar with Outlook using CompanionLink

    2019 · companionlink.com · its alternatives →

16. 16
    Mail Rocket▲141

    Create a mail merge with Gmail and Google Sheets

    2024 · mailrocket.io · its alternatives →

17. 17
    FullContact for Gmail▲380

    Your Gmail Contacts. On steroids.

    2014 · fullcontact.com · its alternatives →

18. 18
    Notion Calendar Sync▲283

    2-way sync between Notion and your Google Calendar

    2021 · 2sync.com · its alternatives →

19. 19
    Available▲306

    Share your calendar availability right inside of Gmail

    2020 · its alternatives →

20. 20
    Loop Email▲257

    Emailing for teams: Organize your Inbox into channels 💌

    2018 · intheloop.io · its alternatives →

21. 21
    Chronock▲110

    Scheduling and calendar sync, all in one

    Aug 2026 · chronock.ai · its alternatives →

22. 22
    Add to Calendar Link Generator▲151

    Create buttons for Google Calendar, Office 365 and Apple Cal

    2021 · labnol.org · its alternatives →

23. 23
    Polymail Calendar▲285

    Schedule meetings instantly over email

    2018 · polymail.io · its alternatives →

24. 24
    Best Reminder App Chrome Extension▲125

    Cloud Sync: Reminders across devices, plus email alerts.

    2025 · bestreminderapp.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →