Licenses

Terms for Duolapse and the open source software and fonts it uses.

Duolapse

Free to download and use. Proprietary software, © 2026 Septoleaf. All rights reserved.

Open source in Duolapse

KeyboardShortcuts

Global shortcuts in Settings › Shortcuts. GitHub

Copyright (c) Sindre Sorhus. MIT License.

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.

Young Serif

Headings in Duolapse and on this website. GitHub

Copyright 2023 The Young Serif Project Authors. SIL Open Font License 1.1. Full license.

On this website

Bricolage Grotesque

Text and smaller headings. GitHub

Copyright 2022 The Bricolage Grotesque Project Authors. SIL Open Font License 1.1. Full license.