FlashDevelop is a free and open source (MIT license) source code editor. FlashDevelop offers first class support for Flash ActionScript (AS2 and AS3) and Haxe development: great and fast code completion & code generation, projects compilation & debugging, plenty of project templates, SWF/SWC exploration, etc. FlashDevelop is more generally a great web developer IDE with integrated source-control support (svn, git, mercurial), tasks/todo, snippets, XML/HTML/CSS completion and built-in zen-coding for HTML. Join the community at FlashDevelop forums

LATEST RELEASE: FlashDevelop 5.3.3 (EN/JP/DE/EU/KR/CN) Release notes and download SOURCE CODE: Fork us on Github

• Microsoft Windows .NET 4.0 application for XP, Vista, 7, 8 and 10
• Mac OSX/Linux compatible using virtualization software or Wine/CrossOver
• Native (Qt) Mac OSX/Linux helper is available to improve OS integration

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• Visual Feature Tour
• FlashDevelop 5.3.3 released
• Setting Up FlashDevelop 5.3.3 : Download, Installing, configuring, upgrading, testing
• Command Line : FlashDevelop command line parameters
• Configuration : Configuring, tweaking
• Getting Started : New with FlashDevelop?
• Languages : Supported languages
• Arguments : Usage, processing
• Shortcuts : Default shortcuts
• Projects : Guides, samples
• QuickBuild : Standalone building
• Build : Build FlashDevelop 5
• Extensions : Themes, plugins
• Themes : UI & syntax themes
• Macros : Usage, samples
• Scripting : Usage, samples
• Bridge : Info, configuration
• Java : Java info and help
• F.A.Q : Common questions

• Third party howto
• Third party plugins FD4
• Third party plugins FD3
• Projects made with FlashDevelop
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