Licenses & acknowledgements
Kachunk is a product of Trifecta Labs, LLC. This page lists the copyright and license terms covering the app, this website, and the sound recordings they ship with.
Kachunk
© 2026 Trifecta Labs, LLC
The Kachunk application, this website, the Kachunk name and icon, and the typewriter sound recordings (Underwood 1938, Olivetti Portable) are copyright Trifecta Labs, LLC. All rights reserved.
Mechanical switch recordings
© Thomas Lai — kbsim
The mechanical keyboard switch sound recordings used in Kachunk and in the interactive demo on this website are from Thomas Lai's kbsim project, used under the MIT License:
MIT License
Copyright (c) Thomas Lai
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Type
Fonts
This site uses Archivo and IBM Plex Mono, served by Google Fonts under the SIL Open Font License / Apache License 2.0.