Easily run Windows apps on Linux with CrossOver Linux 8. It's built on top of the open source project Wine, and runs an implementation of the Windows API.
How friendly is the Movable Type fork? Melody is a fork of the popular blogging platform.
Beyond the iPhone: What open source means for mobile. Open source--not Apple--may well be doing the most to define the future of mobile communications.
Can open source police open source? LiberKey is a French company offering a host of open source applications in one download.
Quakk, an open source Windows Mobile Twitter client is released. This one uses Microsoft's Codeplex, instead of Google Code, for storage of source code.