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.
G Cloud Backup - The easiest Android Backup app that protects all your contacts, call logs messages, music, videos, family photos, and other personal (irreplaceable) data to secure, cloud-based servers for Free
X-Transfer - X-Transfer is an app by WebToGo that comes up with features to help you in performing data transfer between your smart devices in a few simple steps.
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