[directory-discuss] Popular WebExtensions with unknown free software status

[David Hedlund]

* Video Downloader professional -> 
https://addons.mozilla.org/en-US/firefox/addon/video-downloader-profession/license/ 
-> "Licensed to usage limited to the Link64 Add-on. JQuery licensed 
under MIT."
    A few other add-ons distributed under the "Link64 License" found at 
https://duckduckgo.com/?q=site%3Aaddons.mozilla.org%2Fen-US%2F+%2B%22Link64+License%22&t=ffab&ia=web
    * Youtube and more – Easy Video Downloader -> 
https://addons.mozilla.org/en-US/firefox/addon/video-downloader-pure/license/ 
-> "Licensed to usage limited to the Link64 Add-on. JQuery licensed 
under MIT."
    * All Downloader Professional -> 
https://addons.mozilla.org/en-US/firefox/addon/all-downloader-professional/license/ 
-> "Licensed to usage limited to the Link64 Add-on."
    * Download MP4 videos from Youtube -> 
https://addons.mozilla.org/en-US/firefox/addon/download-mp4-videos-from-yo/license/ 
-> "Licensed to usage limited to the Link64 Add-on."
* Flagfox -> https://addons.mozilla.org/en-US/firefox/addon/flagfox/license/
* EPUBReader -> 
https://addons.mozilla.org/en-US/firefox/addon/epubreader/license/
* Honey -> https://addons.mozilla.org/en-US/firefox/addon/honey/license/
* Search and New Tab by Yahoo -> 
https://addons.mozilla.org/en-US/firefox/addon/search-and-new-tab-by-yahoo/license/
* Yahoo Homepage -> 
https://addons.mozilla.org/en-US/firefox/addon/yahoo-homepage/license/

I need help to identify if the are free or not so I can add the free 
programs to directory.fsf.org.