iOS, iPad, iPhone, Android, Palm, Palm PRE, Symbian, BlackBerry, Windows Mobile, J2ME
APIs: Facebook, Twitter, YouTube, Flickr, PayPal, Google maps, Yelp
Tools: SVN, git, Jenkins, Mantis, Redmine

Mobile web:
Frameworks: Sencha Touch, jQtouch

Languages and frameworks: iPhone/iPad API: UIKit, Core foundation, Core Services, CoreAnimation, CoreLocation, MapKit, MediaPlayer; Cocoa Touch, Objective-C; Cocos2D; Three20
Data storing: SQLite, Core Data, file storage
Data languages: JSON, XML
IDE: XCode

Languages: Java (Dalvik VM), C/C++ (JNI)
API: Location and map API, Search API, Media API, Widget API, Web API
Data storage: SQLite, file storage
Data languages: JSON (json-rpc library), XML(ksoap2 library)
Test frameworks: Andoid Unit tests, Robotium
IDE: Eclipse, Ant, Android Development Tools (ADT), ADT Plugin for Eclipse, XML Layouts

Languages and technologies: Java, J2ME, Address Book, MediaPlayer
Data storing: file system (DeviceMemory/SDCard), Persistent Store, Record Store, SQLite
Libraries: Bing – static maps, reverse geo-location
Data languages: JSON, XML
IDE: Eclipse, BlackBerry JDE, Ant

Languages and technologies: C/C++, Java, J2ME
Data languages: JSON, XML
IDE: Carbide, NetBeans

Languages and frameworks: PHP 5, Zend, Yii, Joomla, MODx, MySQL, SQL, LAMP: Apache, Tomcat, IIS
Languages and frameworks: ASP.NET, NHibernate, C# (LINQ, WCF), J#, VB.NET, MsSQL
Markup languages: HTML, CSS, JavaScript, jQuery/Dynamic rich interface, AJAX
Data languages: RESTful, SOAP, XML, JSON
IDE: NetBeans