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OpenKneeboard is an interactive way to show reference information and take notes in games - especially flight simulators - including in VR.

OpenKneeboard can be controlled via joystick/HOTAS bindings, or a graphics tablet ('artists tablet') such as those made by Wacom or Huion; phones and tablet computers like iPads or Microsoft Surface tablets are not compatible. Mice are not supported in-game.

Go to for more information.

Building and contributing

See the internals documentation.


OpenKneeboard is licensed under the GNU General Public License, version 2, with an exception to permit certain additional dependencies. For details, see LICENSE.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

This project uses several third-party libraries, which are used and distributed under their own license terms.


Screenshot of the main app Non-VR Screenshot VR Screenshot iRacing VR Screenshot