Epistolaire is described as 'Android app to backup SMSes AND MMSes (unlike most "SMS backup" apps), in a nutshell' and is an app in the backup & sync category. There are five alternatives to Epistolaire for Android, Android Tablet, F-Droid and Windows Mobile. The best Epistolaire alternative is SMS Import / Export, which is both free and Open Source. Other great apps like Epistolaire are SMS Backup & Restore, SMS Backup Android, SMS Exporter and SMS Backup.
SMS Import / Export imports and exports SMS and MMS messages, call logs, and contacts from and to (ND)JSON / ZIP files. (Contacts import and export are currently functional but considered experimental.) It does not require root.
SMS Backup & Restore is a simple Android app that backs up and restores your phone's text messages, and now call logs too!
SMS Backup Android is a free Android application which allows users to backup and restore SMS to/from SD card and Gmail account as easy as ABC.
This program exports SMS (text messages) to text files
This app will backup and restore sms from your device to an xml file stored in the sdcard/SMSBackup folder.
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