Save contacts - Save contacts app provides features through which users can select the desired data to create the backup in a variety of different formats.
SIM Contacts Manager - SIM Contacts Manager app offers features that let you insert your sim card to your mobile phone to manage, edit, add, and delete your contacts right at your fingertips.
Transfer Contacts - Transfer Contacts app offers features that let you effortlessly switch devices by transferring all your contacts between your new and old phones without much of a stretch.
SMS Backup+ - Backup Android SMS, MMS and call log to Gmail / Gcal / IMAP - jberkel/sms-backup-plus
My Contacts by Captain Tushar - My Contacts is an app by Captain Tushar that comes up with features to help you in managing your contacts list so you can effortlessly delete or edit existing contacts.
Backup Your Mobile - Backup Your Mobile app provides features through which users can create a backup of their mobile phone data such as images, videos, audio files, system settings, the list of contacts, call history, messages, passwords, and various other.