SQL Developer - Oracle SQL Developer is a free, development environment that simplifies the management of Oracle Database in both traditional and Cloud deployments.
phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.
Sequel Pro - MySQL database management for Mac OS X
DBeaver - DBeaver - Universal Database Manager and SQL Client.
Navicat Premium - Navicat Premium allows user to connect MySQL, MariaDB, MongoDB, SQL Server, SQLite, Oracle & PostgreSQL databases within a single application, includes data modeling feature
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.