PyLucid is a Open Source web content management system written in Python using the Django Framework. fully customizable output, expandable with plugins, i18n, L10n, Revision controled, support many database engines, WSGI conform and many more...
Mysql Ajax TableEditor is an easy to use mysql tableeditor with a ton of features. For examples and more information check out http://www.mysqlajaxtableeditor.com/.
The MyAccess online database editor is a ASP-VBScript web application that runs on Microsoft's IIS Application server. The current release and includes functionality to create/modify/delete MS Access databases, tables, views, keys, indexes, and content
mySQLweb is web interface for building SQL queries to MySQL databse. Query builder allows user to add and remove tables, set relations, apply criterias etc. Results are output in a table. The look is easy to change - it is simply CSS formatted XHTML.