ฟรี! Mobile Application Development Tools สำหรับนักพัฒนา-12 Tools ฟรีสำหรับนักพัฒนาแอพมือถือ โดยรวมเครื่องมือเขียนแอพแบบ Cross Platform สำหรับใครที่ต้องการหาทางเลือกในการเขียน iPhone , Android แอพ และ Windows Phone SDK
(1) Intel XDK
- Language : HTML , JavaScript
- Supported : Android, iOS, BlackBerry, Windows Mobile, HTML5
- Download @ http://software.intel.com/en-us/html5/tools
(2) COCOON JS
- Language : HTML , JavaScript
- Supported : iOS, Android, Blackberry, Windows Mobile, Tizen and more..
- Download @ https://www.ludei.com
(3) Code Name ONE

Code Name ONE
- Language : JAVA
- Supported : Android, iOS, BlackBerry, Windows Mobile Cost – Free and Opensource, Premium 79$/m/developer
- Download @ http://www.codenameone.com
(4) Open FL

Open FL
- Language : HAXE
- Supported : Windows, Mac, Linux, iOS, Android, BlackBerry, Tizen, Flash, HTML5, Steam, Amazon
- Download @ http://www.openfl.org
(5) HAXE

HAXE
- Language : HAXE
- Supported : Haxe สามารถ คอมไพล์เป็นภาษาอื่นได้,JavaScript, Flash, NekoVM, PHP, C++, C# and Java – which means your apps will support all popular mobile devices, such as iOS, Android, BlackBerry and more
- Download @ http://haxe.org
(6) Project Anarchy

Project anarchy
- Language : Lua , C++
- Supported : iOS, Android, Tizen
- Download @ http://vsnomad.com
(7) NOMAD
- Language : Javascript, HTML5, Visual Studio
- Supported : iOS, Android, Windows Mobile, Blackberry, HTML5
- Download @ http://vsnomad.com
(8) WAVE engine

WAVE engine
- Language : C#.Net
- Platforms : iOS, Android, Windows Mobile
- Download @ http://waveengine.net
(9) GINGEE

GINGEE
- Language : Actionscript, Adobe AIR
- Platforms : iOS, Android, Blackberry
- Download @ http://www.gingee.com
(10) ENYO

ENYO
- Language : Javascript, HTML5
- Platforms : iOS, Android, Windows Mobile, Blackberry, HTML5
- Download @ http://enyojs.com
(11) Genexus

Genexus
- Language : C#, C++
- Platforms : iOS, Android, Blackberry, Windows Mobile
- Download @ http://www.genexus.com
(12) Windows Phone SDK
- Language : C#, C++
- Platforms : iOS, Android, Blackberry, Windows Mobile
- Download @ http://dev.windows.com/en-us/develop/download-phone-sdk