A simple, powerful, mouse-based text environment Wily is an emulation for Unix and X of Acme which only works in the Plan 9 environment. Acme was inspired chiefly by Oberon. Interact in a general way with text on the screen using a mouse. Instead of menus or con- trol keys, clicking on text with the middle mouse button \\goes to\\ a file, directory, string or regular expression. Wily was written by programmers 4 programmers: there are very few rules and even fewer excep- tions. The learning curve is steep but short, and very few people have used wily for a few hours and gone back to another editor.