KAddressBook stores all the personal details of your family, friends and other contacts. Created by KDE It supports large variety of services, including NextCloud, Kolab, Google Contacts, Microsoft Exchange (EWS) or any standard CalDAV server.Features:Powerful search – KAddressBook has configurable filters and powerful search capabilities.Duplicate detection and merging – KAddressBook can find duplicated contacts from multiple sources and can merge them into a single contact.Good standard support – KAddressBook can import and export from and to nearly every address book standard.LDAP integration – Can connect to multiple LDAP servers, which can then be used for contact autocompletion when composing emails in KMail.Integration – Integrates with other Kontact components, e.g. exporting birthday reminders to KOrganizerQR codes – KAddressBook can display a QR code for each contact to quickly scan it into your phone or send to someone….
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Kontact – KAddressBook
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 1 |  |
Contacts | Web | Mac iPhone iPad |
Commercial | Website |
| 2 |  |
Kontact | Linux Windows |
Free | Website | |
| 3 |  |
Contacts+ (formerly the FullContact app) |
Web Chrome |
Mac Android iPhone Android Tablet Gmail iPad |
Freemium | Website |
| 4 |  |
GNOME Contacts | GNOME | Linux | Free | Website |
| 5 |  |
Google Contacts | Web | Android Android Tablet |
Free | Website |
| 6 |  |
Free Address Book | Windows | Free | Website | |
| 7 |  |
FCorp ID Book | Discontinued | Windows | Free | Website |
| 8 |  |
CircleBack | Web | Android iPhone |
Free Personal | Website |
| 9 |  |
E-Z Contact Book | Windows | Freemium | Website | |
| 10 |  |
People | Web | Free | Website |