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.
Link2SD - Link2SD is an application manager that makes it easy for Android 2.
Super Backup & Restore - Super Backup & Restore app allows users to backup all their stuff such as pictures, videos, apps, text messages, contacts, call history, and calendar data, etc.
OS9 Phone Dialer - OS9 Phone Dialer Pro Features: 1. Fast T9 Photo Dialpad. 2. Recents and Missed Calls logs. 3. Call blocker to block calls. 4. Hide Caller...
SMS Backup+ - Backup Android SMS, MMS and call log to Gmail / Gcal / IMAP - jberkel/sms-backup-plus
App Mgr III - Move your apps to the SD card to free up space on internal memory.