Will new Skype owners deal differently with open source? There is growing speculation, especially given its deal with Digium, that the new owners of Skype may take a different attitude.

10 interesting Google Chrome OS mock-up designs. Transparent windows and dialog boxes and more make these mock-ups look unlike any other OS.

Red Hat seeks respect for JBoss and ecosystem. The company has made a slew of announcements at Red Hat Summit.

Parallels Desktop 4 for Windows and Linux released. It lets you run any combination of Windows and Linux OSs concurrently, and is reportedly much faster than previous versions.

Sharp to introduce new mobile Internet tool. It's a netbook-like device that doubles as an e-book and runs Linux.

As JKOnTheRun reports, Sun Microsystems is out with the third version of its free virtualization software VirtualBox, downloadable here. You can take a screenshot tour here. VirtualBox 3.0 now supports Open GL 2.0 as well as Direct 3D 8/9 in Windows. Also included is the ability for guest operating systems to use up to 32 virtual CPUs. You can view the substantial changelog here. "VirtualBox might not be as glitzy, glamorous or functional for games as solutions from Parallels or VMware, but you can’t beat the price," says the JKOnTheRun post. "It’s definitely a must-see if you want to run multiple operating systems at the same time on a Windows, Mac or Linux machine."

There's a new version of Parallels Desktop for Mac available that adds more support for Linux users. According to MacNN, Build 5608 "adds support for guest Parallels Tools for Linux in the latest Linux distributions (including Ubuntu 8)."