Backup SMS by Piandro - Backup SMS is an app by Piandro that allows you to choose the desired conversation or text message to add it to the backup list to save it for later use.

Evercontact - Your contacts always up to date and automatically with Evercontact.

SA Contacts Lite - SA Contacts Lite app comes up with features to help you in transferring all your contacts in your phone book between all your handheld devices without much of a stretch.

CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.

Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.

Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses