SIDU has full range of database dev and admin tool run via web browser. No need to setup, just copy and unzip the download zip to my site. Support any OS, and support MySQL, PostgreSQL, SQLite.
Sesame Database Manager - Lantica Software, LLC - Sesame, A Q&A-compatible Database Manager.
phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.
Sheep - Membership and events for SMEs and nonprofits
Adminer - Adminer (formerly phpMinAdmin) is a full-featured database management tool written in PHP.
CentriQS - CentriQS offers small business management software and custom database solutions for small and medium enterprise businesses.
MySQL-Front - MySQL-Front, now officially called SQL-Front, is a front-end interface for the prevalent MySQL database.