GNOME Contacts Alternatives

Kontact is the integrated Personal Information Manager of KDE.

The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server.

Open Source

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)

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.

Duplicate Contacts Fixer and Remover app enables users to merge all the duplicate contacts as well as they can also delete duplicate entries with a single tap.

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

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

A platform that makes connecting third-party APIs easy

KOrganizer is the calendar and scheduling component of Kontact, the integrated personal information...

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

Open Source

Automagically scan biz cards into LinkedIn/Gmail contacts

GNOME Calendar is a simple and beautiful calendar application designed to perfectly fit the GNOME...

Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.

Open Source

Next generation contact manager and dialer.