The CEO of the legendary Mac software house Ambrosia Software wrote an article about the economics of Open Source and how does it fit to the market.

The best ever version of Mac OS X, 10.3 Panther, is now available. Panther includes more than 150 new features, enhancements and optimizations. However, anything that's 'great' can become 'near-perfect' with a bit more effort, right? Read our 10.4 wish list and then use the comment section to post your own wish list for the next version of OSX. Apple engineers and product managers, take notice!

Microsoft will enhance the handwriting recognition characteristics of its Tablet PC operating system in an interim edition code-named Lonestar. More advanced ink and personalization features are targeted for a Longhorn edition further out.

The latest OS X upgrade isn't a huge improvement, but it's faster and loaded with small enhancements that'll make your Mac purr, says BusinessWeek. In the meantime, Internet security company @Stake has warned of newly discovered vulnerabilities affecting Apple Computer's Mac OS X operating system. UPDATE: Apple Computer's latest version of its Mac OS X operating system, Panther (fourth release in 2.5 years), patches security flaws that affect previous versions of the operating system, leaving security experts wondering if users will have to pay the $129 upgrade fee to be secure.

An updated version of the heart of Linux is expected soon, but it could be more than a year before the operating system's top seller includes it in its corporate product.

The first release candidate for KOffice 1.3 has been released. Story, announcement, ChangeLog.

NeoWin put together lots of interesting links to videos, screenshots and articles of all the happenings in the PDC this week. In some of the screenshots and video you will see the new hardware accelerated Aero UI. Also, a demonstration of WinFS featured a method to "stack" documents by author in a window, with the heights of the stacks corresponding to the number of documents. Apple also works in something similar reportedly (Apple calls them "piles").

Despite the company's deep connections to Apple, Pixar Animation Studios only completed moving its computer infrastructure to Mac OS X eight months ago. More on the O'Reilly Conference at MacSlash.

Seifried writes "Changes in Red Hat Inc.'s business focus and support policies have forced me (and I assume many other administrators) to evaluate our options for the Linux operating system. Fortunately we do have choices, and ultimately can stick with Linux even if it isn't Red Hat Linux."

News.com spoke to Bill Gates on the first day of his company's software developers conference. In the meantime, eWEEK has a mini-review of Longhorn while here is a screenshot of a version of Longhorn that includes Avalon (not included in the PDC beta).

"In an ideal world, whenever a program cannot perform a function it exits with a useful error message, giving you enough clues to fix the problem. Unfortunately, we do not live in an ideal world -- at least, not all the time. Sometimes when an application encounters an error, you are none the wiser." Read the article at DevChannel.org by Gerard Beekmans.

"Sun has a desktop package that can be seriously considered by IT departments planning new rollouts". First look at Java Desktop System shows it has potential, ComputerWorld says.

OpenQNX reports that Julian (a.k.a. Kinners) has ported GTK2 and family to QNX6. You can find them in his repository here. This GTK2 port uses XFree86 4.3 for QNX.

Although MS is looking to rope in Longhorn developers now, the company knows it's in for a long ride.