Because sometimes a text based interface is more easier to use than a GUI. With Console you can add a command line interfaces to your web application. Use it for SQL query interface, admin shell, test interface, build integration, etc. - Supports raw line-based input, predefined commands, and basic control characters. - Built-in argument parsing. Supports grouping with double quotes. - Simple command/callback mechanism to quickly add new console commands - Command history - Terminal-like scrollable buffer - Following control characters are supported: BELL (^G), TAB (^I), LINE_FEED (^J) , FORM_FEED (^L), CARRIAGE_RETURN (^M). - Bash-like command completion using TAB - Bash-like "visual bell" - PrintStream implementation for redirecting output to console (even System.out or System.err). - Custom command prompt and greeting message - Set size either using width/height or rows/columns - 'ObjectInspector' helper to expose properties and methods in any Java object to the Console as commands. Note: Since version 1.1.6 the Console add-on requires Widget RPC add-on.