rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.

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.

Share Contacts PRO - Share Contacts PRO app comes up with features to help users in editing a contact from your phonebook to change the name, phone number, address, and other details without much of a stretch.

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.

vCard Export Import(Lite) - vCard Export Import(Lite) app allows you to export your phone numbers in your contact list to the internal storage in vcard, vcf, txt, CSV, and various other file formats.

SMS Backup+ - Backup Android SMS, MMS and call log to Gmail / Gcal / IMAP - jberkel/sms-backup-plus