It’s been a good day for announcements at OSCON. The latest (PDF) is from sponsor (thanks!) MindTouch:

MindTouch Unveils Open Source Web 2.0 API for Microsoft .NET
Web 2.0 applications made easy with MindTouch Dream

O’Reilly Open Source Convention (OSCON), Booth 911, Portland, OR - July 25, 2006 - MindTouch, a leading provider of on-site Web appliances for the small- to medium-sized business (SMB) market, today announced MindTouch Dream, a powerful open source Web 2.0 platform and software development kit (SDK) built on Microsoft Visual Studio(r) .NET.