Trolltech will release its entire application development framework for Linux-based mobile phones under the GPL license, it announced on Sept. 18. Additionally, the development tools and software stack vendor plans to support FIC's iPhone-like GTA01 ("Neo1973") as an open phone development platform.

One of China's largest handset and infrastructure vendors has reportedly adopted a Linux-based mobile phone software stack as part of its standard 3G mobile phone operating system. ZTE will incorporate Trolltech's Qtopia Phone Edition into its Linux-based "U980" platform for 3G TD-CDMA phones, according to Trolltech.

Access is demonstrating its Access Linux Platform (ALP) 3.0 at Mobile World Congress in Barcelona. The new LiMo-compatible "advanced UI" mobile ALP stack leverages Open GL-ES 2.0 to offer 3D special effects, and introduces a standardized API that splits logic from presentation layers, says Access.

TapRoot Systems is demonstrating its telephony middleware for Linux/Qtopia-based mobile phones at the Linux Mobile Communications Conference this week in Beijing. TapRoot's director of product management, stated, "Development of Linux mobile phones is on the rise and is changing the landscape of the mobile phone industry. Our LinuxTel telephony software is a critical piece."

"Linux device software stack vendor Trolltech has acquired Fonav, a vendor of unified messaging software. Trolltech plans to use Fonav's "unified live inbox" application software to enhance its Qtopia stacks for mobile phones and VoIP phones, it said."

Shenzhen, China-based smartphone design company Tranzda Technologies is marketing five phone designs that use its NewPlus Linux phone application stack. All five Tranzda designs include GPS, along with optional features that include WiFi, cameras, and biometric fingerprint authentication.

Device and hardware makers are discovering the flexibility of the Linux stack as the foundation of a platform for mobile applications that bring value to the wares they want to sell. Complications exist, but manufacturers are working through them to further drive the adoption of the Linux stack.

Linux started out on desktops and servers, but has now shipped on about 20 million mobile phones. Ever wonder how it made the jump? In a new whitepaper, embedded industry pioneer Jim Ready offers a concise technical retrospective on Linux's transition into a mobile phone OS.

Google and 33 other companies have announced an ambitious industry alliance that will maintain a completely open source mobile phone stack. The Open Handset Alliance (OHA) says phones based on its Linux-based "Android" stack will reach market in as soon as eight months.