Caster is a collection of tools aimed at enabling programming and accessibility entirely by voice built upon the Dragonfly API.

• Videos by the Caster Community.
  • Caster Demo
  • VimGolf and Project Euler
  • Dictating maths into scientific notebook and Dictating math by voice using Caster
• Instructions for installing
• Documentation on Caster [ReadTheDocs] [YouTube] and Dragonfly [ReadTheDocs]
• Caster Command Reference Guides
  • Caster - Universal navigation and editing - These commands are active all the time, and provide input commands for letters, numbers and punctuation, as well as the ability to easily manipulate windows and text.
    • window right moves the active window to the right-hand side of the screen.
    • prekris inserts a pair of brackets () and moves the cursor inside them.
    • shackle selects the current line.
  • Applications - Application specific control - These commands are only activated when a particular program is the active window, and they provide support for text editors, IDEs, web browsers etc. For example, while the Sublime text editor is the active window, saying
    • find will execute a ctrl-f keystroke, bringing up the find and replace prompt,
    • open file will execute a ctrl-o keystroke,
    • edit next <n> - ctrl-d n times, selecting the next n instances of the currently selected word.
  • Program Languages - Language specific coding - These modules are activated and deactivated with the enable/disable <language> voice command. For example, saying enable python.
    • for loop which will insert for i in range(0, ):
    • print to console - print()
    • open file - open('filename', 'r') as f:
• Contributing / How can I help?
• Need support or just curious? Join our community at or Discord for voice chat.
• The Voice Index is a curated source of information: Videos, Blogs, Repositories, Presentations, etc related to Dragonfly, voice programming, and accessibility.

• Configurable Settings in caster\bin\data\settings.toml

• Customize Commands aka Specs and their actions via simplified filter rules and filter rules(code).

• Compatible Speech Recognition Engines

  • Dragon NaturallySpeaking v13 and higher
  • Windows Speech Recognition

• Supported Programming Languages - Enhanced by Caster's Continuous Command Recognition - Demo

  • Python, Java, Bash, C++, C#, Rust, Go, HTML, CSS, JavaScript, SQL, Dart, Latex , Matlab, R, Prolog, VHDL, and Haxe

• Supported Software

  • IDEs/Editors: Microsoft Visual C++, Visual Studio, Eclipse, Jetbrains IDEs, Emacs, Sublime, Atom, Visual Studio Code, Notepad++, FlashDevelop, Sql Developer, and SQL Server Management Studio
  • Development Tools: Command Prompt, GitBash, KDiff3
  • Statistics: RStudio and lyx
  • Browsers: Firefox, Chrome and Internet Explorer
  • Applications: Foxit Reader, Gitter, Microsoft Word, fman and Total Commander

• Editing and Navigation

  • Four additional mouse navigation modes: curse, douglas, legion, and rainbow - Demo
  • Text/line navigation commands, text formatting commands
  • Alphabet, numbers, punctuation input commands
  • Commands to interact with generic File Dialogues.

• Utilize Powerful Commands

  • "Alias" Commands - on-the-fly commands created by highlighting stuff
  • "Record From History" - turn previously spoken commands into a voice macro

• Third-party Integrations

  • Sikulix - v1.1.2: Automates anything you see on the screen of your desktop computer. - Demo
  • Aenea - A client-server library for using voice macros from Dragon NaturallySpeaking and Dragonfly on remote/non-windows hosts.

• Caster extends the Dragonfly API for even more powerful commands.

  • The Context Stack - Create asynchronous and context seeking commands
  • Spec reduction via NodeRule (WIP)