Kontact - KAddressBook
KAddressBook stores all the personal details of your family, friends and other contacts.
17 Alternatives To Kontact - KAddressBook
Addza
Address book software for Windows.
Apple Contacts App
Access and edit your contacts from personal, business, and other accounts with the Contacts app.
Apple Mail
There’s big news attached.
CircleBack
Contact sync application.
Cloze
Smarter Relationship Management
E-Z Contact Book
E-Z Contact Book is an easy to use yet powerful Windows application for managing contact information. You can use it as a personal contact address/phone book, business directory, or a customer database, or a reminder of birthdays and other events
FCorp ID Book
ID Book is a handy, easy to use application specially designed to offer users a simple address book.
FullContact
Put the power of full contact information into your web or mobile apps.
GNOME Contacts
All your contacts in one place
Heroku
Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.
Kontact
Kontact is the integrated Personal Information Manager of KDE.
Memotoo
Memotoo allows you to sync your data (contacts, calendar, tasks, .) with phones (iPhone, Android, Samsung, ..
Multi-Step Zaps by Zapier
The easiest way to build powerful workflows with your apps
Nextcloud Contacts
The Nextcloud contacts app is a user interface for Nextcloud’s CardDAV server.
StackStorm
StackStorm is a powerful open-source automation platform that wires together all of your apps…
fruux
Free service that takes care of your contacts, calendars and more so you don’t have to.