Friday, August 21, 2009

New Stats Find Dynamic Languages on the Rise by Open Source Developers

By Jeffrey Schwartz08/12/2009

Dynamic programming languages have started accounting for a greater percentage of code used by developers of open source projects over the past year, according to a survey released today. The increased usage of JavaScript and PHP in particular, suggests that static programming languages such as C, C++ and Java are being used less for open source projects.

The survey was conducted by Black Duck Software, whose software crawls more than 4,300 open source repositories and tracks 1,500 licenses. Even though it sells software to enterprises, Black Duck (which also owns the free search engine for open source software and code) is a viable resource for tracking code usage, said IDC analyst Al Hilwa.

"It's difficult to get statistics for accounting for code but they do a decent job at crawling data," Hilwa said in an interview. The findings show 36 percent of all projects in the past year included JavaScript, making it the fastest growing scripting language, according to Black Duck. Overall the share of JavaScript code is now 2.1 percent higher than last year, PHP code is .3 percent higher and Ruby has a .2 percent greater share. At the same time, the share of C and C++ both has declined .6 percent and Java has declined .7 percent. SQL usage is up 1.1 percent.

That shouldn't be interpreted that development of C, C++ and Java are declining, said Black Duck executive VP Peter Vescuso. "It's not diminishing in terms of the number of lines of code, in fact it's growing, it's just shift in terms of the overall share of all open source code," Vescusso said in an interview. It means "the dynamic Web oriented programming languages, are growing, JavaScript and PHP in particular." Among some other data points shared by Black Duck:

65% of open source code is C, C++, and Java 80% of open source is C, C++, Java, Shell and JavaScript.  C is the only language that has exceeded 1 billion lines-of-code

 The growth of scripting language use by open source developers is not necessarily surprising but validates a move toward more client facing applications, IDC's Hilwa said. "These shifts are slow but it shows over time there seems to be some growth that has taken place toward the Web architecture in general," Hilwa said. " Java, C++ and C are used much more often for the back end whereas JavaScript and PHP are really about the Web tier or the front end of the application. That tells you that for the typical new application there's a lot more focus on the front end than there used to be."

Black Duck intends to provide free access to the data, which it will routinely update. It can be accessed here. The company for some time has offered data on licensing, which is updated daily and can be accessed here.

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