ALinq.org
Freeware
An entity visual designer for ALinq. it's integrate with VS2008 and VS2010.
AgileHead
Open source
Is as fast as Linq to Sql, but having the more advanced features.
Xavier Decoster
Freeware
This Visual Studio debugger visualizer targets Visual Studio 2010.
Topaz Systems, Inc.
11
Freeware
Topaz offers the SigPlus Pro .NET assembly to developers .
