Talk to any open-source vendor (myself included), and we'll tell you that there's a lot of money to be saved by dropping your proprietary software in favor of open-source alternatives. But is that always the case? And, if so, what are the necessary preconditions for saving money?

The scent of money in the air probably also explains why there are so many open source enterprise applications available. In other categories, like open source browsers, for instance, you'll struggle to find half a dozen good choices. To help you get started on the process, here are 101 open source enterprise applications.

Voiceroute, a software PBX vendor, originally started as a proprietary software company but went (at least partly) open source earlier this year. In this video, CEO Ming Guang Yong says the company should have moved toward open source "a lot sooner," and explains why.

Sourceforge.net estimated that there are 230,000 open source projects on its site till Feb last year. Some of the projects are outdated, some of them do no not provide any support and others are in development phase. So, it is hard to find the right one for your need.

Co-founders Jake St. Peter and Thomas Ingham started Coalmarch, a Web applications development company, in 2004 after "about 10 years' background in Web development" for other companies, St. Peters says. After working for a company called gotickets.com, he and his partner decided to launch their own business, providing content management systems and shopping carts.

In response to the news this week that the city of Los Angeles is going Googlefied with a $7.25 million, five-year deal to adopt Gmail, Google Calendar and other applications, Novell's blog has an interesting rebuttal. Of course, the reason for the city's switch to Google's corner of the cloud is to save money that it would otherwise spend on expensive software licenses, and it will save.

Should you believe Red Hat's claims that its new Exchange marketplace for "open source business applications" contains nothing but open source business applications? We say "no" - since not even Red Hat appears to have a good answer for this question.

We focus quite a lot on Linux stuff here at FOSSwire, which is fine, because it is a very important open source system, but it’s easy to forget that there are other platforms out there, and even if the platform itself isn’t open source, there are plenty of applications you can be using which are. In this post, I’m going to run through five top open source applications for Mac OS X.

This year's convention will include 40 tutorials that go deep into the technology behind open source innovations and over 400 sessions focusing on Administration, Business, Databases, Emerging Topics, Java, Linux, People, Perl, PHP, Programming, Python, Ruby, Security, Web Applications, and much more