Mozilla Marketplace will be online in a few weeks to take on Apple App Store and Google Play Store
Objective-C, the computer language used to build apps for the iPad and iPhone, has the most momentum heading into 2012.
As Flash gives way to open technologies, Adobe is retooling to support the new developer reality.
At its JavaOne conference, Oracle showed JavaFX rich client software running on both an Apple iPad and a Google Android-based Samsung Galaxy tablet and introduced a separate project using HTML5 to bring Java to Apple's iOS platform, called Project Avatar.
Flash Player 11 and AIR 3 are announced just as Microsoft chooses HTML5 over plug-ins like Flash in Metro version of IE10
Despite Android's earlier gains, Apple developer interest climbs following launches of iPhone on Verizon, iPad 2, mobile application analytics provider Flurry says.
An API mapping tool from Microsoft offers porting assistance in moving apps from iOS to the Windows Phone 7 mobile platform.
Flash Builder 4.5 for PHP helps developers build apps for Web, desktop, and mobile systems, including Apple's iOS devices.
The proprietary multimedia plug-in platform and rival to HTML5 will offer 64-bit capabilities and digital rights management.
Apple created the tablet market, but iOS developer Raven Zachary says the growth opportunity for other companies is huge
The move toward offering support for third-party devices shows that Microsoft is embracing the consumerization of IT.
"We love HTML5," both companies claim, detailing support in their development tools
Business application developers will be quick to embrace other mobile OS options to hedge their bets against Apple's consumer focus, analysts say.