yarn licenses

List licenses for installed packages.

yarn licenses ls

Running this command will list, in alphabetical order all of the packages that were installed by yarn or yarn install, and give you the license (and URL to the source code) associated with each package.

yarn licenses ls
yarn licenses v0.14.0
├─ abab@1.0.3
│  ├─ License: ISC
│  └─ URL: git+https://github.com/jsdom/abab.git
├─ abbrev@1.0.9
│  ├─ License: ISC
│  └─ URL: http://github.com/isaacs/abbrev-js
├─ acorn-globals@1.0.9
│  ├─ License: MIT
│  └─ URL: https://github.com/ForbesLindesay/acorn-globals.git
├─ acorn@2.7.0
│  ├─ License: MIT
│  └─ URL: https://github.com/ternjs/acorn.git
├─ align-text@0.1.4
│  ├─ License: MIT
│  └─ URL: git://github.com/jonschlinkert/align-text.git
├─ amdefine@1.0.0
│  ├─ License: BSD-3-Clause AND MIT
│  └─ URL: https://github.com/jrburke/amdefine.git
├─ ansi-escapes@1.4.0
│  ├─ License: MIT
│  └─ URL: https://github.com/sindresorhus/ansi-escapes.git
├─ ansi-regex@2.0.0
│  ├─ License: MIT
│  └─ URL: https://github.com/sindresorhus/ansi-regex.git
...
yarn licenses generate-disclaimer

Running this command will return a sorted list of licenses from all the packages you have installed to the stdout.

yarn licenses generate-disclaimer
The following software may be included in this product: package-1. This software contains the following license and notice below:

[[LICENSE TEXT]]

-----

The following software may be included in this product: package-2. This software contains the following license and notice below:

[[LICENSE TEXT]]