Titanium Backup - Titanium Backup is a very old backup app that has been around since the early days of Android. In fact, it's one of the few apps that covers all versions from 1. Read more about Titanium Backup.
Wide Angle Contact Transfer - Contact Transfer- easily manage contacts between iPhone, Android & PC with this Windows software. Transfer contacts directly between devices and edit them from your PC!
oandbackup - Make backups of selected apps on your device and restore from those backups.
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.
MIUI Backup - built in backup manager in xiaomi devices
MCBackup - MCBackup is an app by Globile that comes up with features to help you in creating a backup all your contacts to restore it in case of deletion of contacts.