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 business-oriented suite of web apps Google Apps.
vCard Studio - A contact management application with support for vCard file format (.vcf).
Google Calendar - Spend less time managing your day & more time enjoying it
WholeClear Split vCard - WholeClear Split vCard Software to smoothly divide VCF files into multiple parts. The program works independently to split VCF files.
Apple Contacts App - Access and edit your contacts from personal, business, and other accounts with the Contacts app.
Smartlook - Qualitative analytics for websites and mobile apps Start understanding the 'whys' of your users' behaviors with clear, visual insights. With session recordings and event tracking, you get the complete picture.