Kontact Alternatives

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.

Spend less time managing your day & more time enjoying it

Warm up your cold email inbox, and never land in spam anymore!

Try for free freemium $9.0 / Monthly

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

Organize your life — it’s about time!

Automagically scan biz cards into LinkedIn/Gmail contacts

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

Rainlendar - Customizable desktop calendar

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

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

Open Source

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

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

Memotoo allows you to sync your data (contacts, calendar, tasks, .) with phones (iPhone, Android, Samsung, ..

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.