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.
Contacts Backup and Restore Contact - Contacts Backup and Restore Contact app enable users to get back all their lost and deleted phone numbers by restoring the available backup file with a single tap.
Backup SMS by Piandro - Backup SMS is an app by Piandro that allows you to choose the desired conversation or text message to add it to the backup list to save it for later use.
Kontact - Kontact is the integrated Personal Information Manager of KDE.
Vcf File Contact Import - Vcf File Contact Import app provides features through which users can import a copy of their phone book to share it with their friends and family members in VCF format.
SA Contacts Lite - SA Contacts Lite app comes up with features to help you in transferring all your contacts in your phone book between all your handheld devices without much of a stretch.