You don't have to ask for permission to fork open source projects. You are free to port the project to JS as long as you follow the applicable licenses: https:

You don't have to ask for permission to fork open source projects. You are free to port the project to JS as long as you follow the applicable licenses: https://github.com/timvisee/ffsend/blob/master/LICENSE https://github.com/timvisee/ffsend/blob/master/LICENSE