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FlashDevelop

Free open source code editor for Windows with first-class ActionScript and Haxe support

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FlashDevelop is a free, open source code editor for Windows that supports ActionScript 2 & 3 and Haxe development, along with web development tasks. It provides code completion and generation, project compilation, integrated debugging, and editing for HTML, CSS, JavaScript, PHP, and XML, with source control support for SVN, Git, and Mercurial.

Key capabilities include project compilation for ActionScript, Haxe, Flex, AIR, and generic projects, integrated debugging with breakpoints and call stack inspection, SWF and SWC file exploration, snippets and file templates, task tracking, and a plugin architecture extensible in C#. The editor is built on Scintilla and offers customization through settings, third-party plugins, syntax themes, and keyboard shortcuts.

FlashDevelop is aimed at developers working with ActionScript, Haxe, and web technologies on Windows. It is available as a free download with no paid editions or seat-based plans indicated.

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