Upload is from here:
https://blueimp.github.io/jQuery-File-Upload/basic.html
https://github.com/blueimp/jQuery-File-Upload/wiki/Frequently-Asked-Questions

Most of the files have been removed to free up some space of the plugin.

uikit - Licensed under MIT license.
https://getuikit.com/v2/
https://github.com/uikit/uikit