phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Sequel Pro - MySQL database management for Mac OS X
Brilliant Database - Create a personal or business desktop database fast and easily using this simple all-in-one database software. Free 30 day trial.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
CouchBase - Document-Oriented NoSQL Database