Software Alternatives, Accelerators & Startups


Kontact is the integrated Personal Information Manager of KDE.

Kontact Alternatives

The best Kontact alternatives based on verified products, community votes, reviews and other factors.
Filter: 11 Open-Source Alternatives Latest update:

  1. 39

    Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.

  2. 42

    Spend less time managing your day & more time enjoying it

  3. Tomba is the leading solution to find and verify professional email addresses. Start using Tomba and connect with the people that matter for your business.

    Try for free Open Source freemium $39.0 / Monthly (Enterprise $389.00/mo Searches 25k Verifications 60k Teams 20)

    Try for free
  4. 26

    Access and edit your contacts from personal, business, and other accounts with the Contacts app.

  5. 17

    Open Contacts is an advanced address book program for managing contact info of individuals and...

  6. 26

    Automagically scan biz cards into LinkedIn/Gmail contacts

  7. 27

    A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

    Open Source

  8. 19

    Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

  9. 33

    Rainlendar - Customizable desktop calendar

  10. 24

    KAddressBook stores all the personal details of your family, friends and other contacts.

  11. 27

    Calendar is a personal calendar app made by Apple Inc. that runs on both the macOS desktop operating system and the iOS mobile operating system.

  12. 26

    Free service that takes care of your contacts, calendars and more so you don't have to.

  13. 11

    Put the power of full contact information into your web or mobile apps.

  14. 16

    Material design open source calendar for Android.

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