CircleBack Alternatives

Google Contacts

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...

Features:

• Category filters
• Cloud sync
• Sync Contacts
• Contacts

Contacts+ (formerly the FullContact app)

The top contact management platform for professionals, teams and small businesses. Sync, deduplicate, enrich, & more. Effortlessly manage your address book contacts...

Features:

• Address book integration
• Automatic Duplicate Merge
• Cloud based
• Sync Contacts
• Contacts
• Integration with CRMs
• Email finder
• Gmail integration
• Multiple Account support
• Sync across Devices
• Zapier integration

fruux

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

Features:

• CardDAV
• Backup
• CalDAV
• CalDAV Server
• Sync Contacts
• Contacts
• Calendar Sync
• Team Collaboration
• Todos

Memotoo

With Memotoo, sync all you want ! Sync and share your personal datas (bookmarks, address book, calendar, files, ...) with Memotoo.com to find them from any computer...

Features:

• Bookmarks
• CalDAV
• CardDAV
• Cloud Storage
• Contacts
• Drag n drop
• Events
• Notetaking
• Support for WebDAV

Contacts

Contacts, called Address Book before OS X Mountain Lion, is a computerized address book included with Apple Inc.'s macOS.

HeadReach

HeadReach is a prospecting tool designed to help sales, marketing, and data research people find valuable business contacts. With HeadReach you can find targeted leads...