Skip to content


Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?

Latest commit


Git stats


Failed to load latest commit information.
Latest commit message
Commit time


A cross platform NodeJS REPL application based on electron and react frameworks.

![Gitter]( Chat.svg) Subscribe

 Language Support


  • Syntax Highlighting
  • Dark and light themes
  • Load and save session history
  • Separate console window for async stdout/stderr logs
  • Notification for async console logs
  • console output filter support
  • Traversable output with fold/unfold options
  • Support for adding directory to node path
  • Expand/Collapse/reload command options
  • History traversal support
  • Multiple window
  • Multiline prompt support with shift + enter
  • Auto suggestion
  • Tab completion
  • Code format support
  • Support to toggle REPL mode
  • Preferences for theme and REPL mode

 Version II 🌟

  • Download npm modules on demand
  • Babel support
  • await with auto async wrapper
  • Data visualization support
    • Integer representation (bin/oct/dec/hex and signed/unsigned)
    • Regular expression live editor
    • Buffer explorer
    • HTML view
    • CSS color view
    • base64 detection
    • Basic chart representation of data
    • Image detection / display
    • Download buffers support
  • Support to break long lasting commands
  • Preference window
  • Promise output tracking
  • Source file open support for node modules(.source name)
  • No special meaning for _
  • Syntax highlight as we type

For more detailed documentation, read here


wiki page has documentation for new features.


light theme

dark theme

console section

auto suggestion

function source


  • npm install -g mancy (or)
  • Download from latest release (or)
  • Clone and run npm install & npm run package. Executable file will be created inside ./dist/ directory.
  • To build native modules, make sure node >=4.x and npm >= 3.x installed.
  • Refer node-gyp for native module build failure.


Fork and run npm run debug or gulp debug to debug this application.


Subscribe this thread for new features and release notification.

 Ideas & Suggestions

Find consolidated ideas and suggestions here.


MIT License