XLr8 Editor is a full screen editor that allows you to view your includes, subroutines, and other source code at a touch of the mouse. Color code reserved words, many undo levels, code formatter, and many more features. Here is a compile screen shot. If you have hundreds or thousands of programs the ability to filter is show here. The ability find where variables are is a simple as double click on the variable in question. Additionally, this is what a search would look like through you entire Unibasic directory.