Evercontact - Your contacts always up to date and automatically with Evercontact.
Microsoft Office Access - Access is now much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating browser-based database applications.
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses
Brilliant Database - Create a personal or business desktop database fast and easily using this simple all-in-one database software. Free 30 day trial.