Folders and some other icons in One Commander are from Icons8.com

File Icons have been downloaded from 
https://github.com/dmhendricks/file-icon-vectors


One Commander is not licensed under the MIT license.

File Icons license from the project page
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.

Attribution from the github page

Android icon provided by Google via flaticon.com
Apple, Debian, Internet Explorer icons provided by Simple Icons
Adobe Flash icon provided by vscode-icons
QuickTime, Chrome and Firefox icons provided by Pixel Perfect via flaticon.com
.NET, CoffeeScript, Git, RedHat icons provided by Devicon
Nintendo Switch icon provided by flaticon.com
BitTorrent icon provided by noshery from icons101.com
GIMP, PowerShell icons provided by Icons8 LLC
Sass, Globe icons provided by oNline Web Fonts
Classic set Folder Icon made by Snip Master from Iconfinder
GNU icon from Be..anyone at Wikimedia Commons
Classic Windows icon from Wdwdbot at Wikimedia Commons
Maven icon provided by OnlineWebFonts