- Open source OpenLaszlo pie menus for Flash, by Don Hopkins. JavaScript - Open source JavaScript pie menus for the Internet Explorer browser, by Don Hopkins. JavaScript/jQuery Radmenu Plugin, Open source JavaScript radial / pie menus for ALL browsers, by Nirvana Tikku. ActiveX - Open source C++ ActiveX pie menus for the Internet Explorer browser, by Don Hopkins. X11 - Open source "piewm" X11 window manager with pie menus, by Don Hopkins, maintained by Russ Nelson. TCL/Tk - Free software Pie Menus for TCK/Tk, written in 1992 for SimCity by Don Hopkins. NeWS - Free software Pie Menus for NeWS 1.1 written in March 1988 by Don Hopkins. X10 - Free software Pie Menus for X10 "uwm" Window Manager, written in June 1986 by Don Hopkins. Suntools - Free software Pie Menus for Suntools, written in January 1987 by Mark Weiser. X10 - Free software Theta menus, proof of concept prototype for X10, written in June 1986 by Don Hopkins. Pie Menu Articles by Don Hopkins Circle Menus, by Greg Bronevetsky. 3D Circle Menu Variation - Cube Menu , by conquex with source code. Asymetrix [ToolBook] pie menu component, by Paolo Tosolini. Source code: Piemenu.com Piemenu.com. Pie Menus for Windows, Dr. Dobb's Journal, November 1992, pp 30–39, by Carl Rollo. Pie Menus Demonstration in Java, by Carl Rollo. Pie Menu for libGDX, an open-source library for Java game developers. Demonstration available. WPF Pie Menu, by Christoph Menge wheelnav.js, Animated JavaScript navigation component based on Raphaël (JavaScript library) (SVG/VML) by softwaretailoring.net Annotated Bibliography of References to Gestures, Touchscreens, and Pen Computing Graphical control elements User interface techniques