legit is a command line application that allows you to automagically generate a LICENSE file for the current working directory that you are in or a license header for a file where applicable.

npm install --global @captainsafia/legit

  Usage: legit [options] [command]
  Commands:
    list|l                     List all available licenses
    put|p [options] <license>  Put a license in this directory
  Options:
    -h, --help     output usage information
    -V, --version  output the version number
  Usage: put|p [options] <license>
  Put a license in this directory
  Options:
    -h, --help        output usage information
    -f --file <file>  The file to add a header to
    -u --user [user]  The user/organization who holds the license
    -y --year [year]  The year the license is in effect

• BSD 2-clause Simplified License (bsd-2-clause)
• GNU General Public License v2.0 (gpl-2.0)
• BSD 3-clause New or Revised License (bsd-3-clause)
• The Unlicense (unlicense)
• GNU Lesser General Public License v2.1 (lgpl-2.0)
• GNU General Public License v3.0 (gpl-3.0)
• MIT License (mit)
• GNU Affero General Public License v3.0 (agpl-3.0)
• Eclipse Public License 1.0 (epl-1.0)
• Apache License 2.0 (apache-2.0)
• Mozilla Public License 2.0 (mpl-2.0)
• GNU Lesser General Public License v3.0 (lgpl-3.0)
• ISC License (ics)