Visual WebGui Enterprise Manager is a new open source web based database administration tool is actually a natural evolution of the popular "ASP.NET enterprise manager" but with fully AJAX enabled UI and multiple database
A framework for developing rich, AJAX enabled applications using the WinForms object model, development patterns and tools. Developing complex web applications is a simple as developing their desktop counterparts. Free community edition available.
Visual WebGui Open Source Express Studio allows developers to building responsive RIAs and utilities by using existing .NET skills and development patterns with familiar WinForms and ASP.NET controls with Visual Studio Express Edition 2008.