Open-Source Licenses

CodeLook uses the following open-source software. Thank you to every author and contributor.

dog

Syntax highlighting engine.
sh.dog · GitHub

MIT License

Copyright (c) 2026 Edden Amber

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.

tree-sitter

Incremental parsing system.
tree-sitter.github.io · GitHub

The MIT License (MIT)

Copyright (c) 2018-2024 Max Brunsfeld

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.

Tree-sitter Grammars

All used under the MIT License.

GrammarCopyrightRepo
Bash© 2017 Max Brunsfeldtree-sitter/tree-sitter-bash
C© 2014 Max Brunsfeldtree-sitter/tree-sitter-c
C++© 2014 Max Brunsfeldtree-sitter/tree-sitter-cpp
CSS© 2018 Max Brunsfeldtree-sitter/tree-sitter-css
Go© 2014 Max Brunsfeldtree-sitter/tree-sitter-go
JavaScript© 2014 Max Brunsfeldtree-sitter/tree-sitter-javascript
JSON© 2014 Max Brunsfeldtree-sitter/tree-sitter-json
Lua© 2021 Munif Tanjimtree-sitter-grammars/tree-sitter-lua
Markdown© 2021 Matthias DeimlMDeiml/tree-sitter-markdown
Python© 2016 Max Brunsfeldtree-sitter/tree-sitter-python
Ruby© 2016 Rob Rixtree-sitter/tree-sitter-ruby
Rust© 2017 Maxim Sokolovtree-sitter/tree-sitter-rust
Swift© 2021 alex-pinkusalex-pinkus/tree-sitter-swift
TypeScript© 2017 Max Brunsfeldtree-sitter/tree-sitter-typescript
YAML© 2024 tree-sitter-grammars contributors
© 2019–2021 Ika
tree-sitter-grammars/tree-sitter-yaml
The MIT License (MIT)

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.

nvim-treesitter

Syntax highlighting queries, adapted for CodeLook's engine.
GitHub

Licensed under the Apache License 2.0.

Full Apache License 2.0 text

monospace-icon-theme

File-type icons used on this website (not in the app).
GitHub

Licensed under the Apache License 2.0. Icon colors have been modified to match the CodeLook site palette.

Full Apache License 2.0 text

Zed Extension Registry

Theme catalog provided by the Zed extension registry. CodeLook uses the public API to fetch theme color definitions — no Zed source code is used. Zed is a trademark of Zed Industries, Inc.

Individual theme extension licenses vary by author. Themes are downloaded by the user on demand and are not bundled with CodeLook.