SciTE for AutoHotkey is a free editor for AutoHotkey scripts that offers:

• Syntax highlighting
  
• AutoIndent
  
• AutoComplete
  
• Calltips (also known as IntelliSense)
  
• Code folding
  
• Custom toolbar
  
• Tools for AutoHotkey scripting

Based on PhiLho's AutoHotkey lexer for Scintilla, this provides a great script editor for both newbies and experienced AutoHotkey users.

Credits:

• Neil Hodgson for making Scintilla and SciTE.
  
• Chris Mallett, Steve Gray (Lexikos), Sean and jackieku for making AutoHotkey and AutoHotkey_L.
  
• Philippe Lhoste for making the LexAHK1 lexer.
  
• The AutoHotkey community for making some tools and being incredibly nice:
  
  • Rajat: SmartGUI Creator and SplashImage Maker
    
  • TheGood: TillaGoto
  
  
• Ice_Tea and Tuncay for the logos.

Download:
BetaInstall_v3_beta4.exe. This program will download and install SciTE4AutoHotkey automatically.
beta4_instdata.bin. Download this file in the same directory as the installer in order to perform offline installs of SciTE.