Hello. Do you know that GT Office PDF Studio sells your free program as Trio Office? They did not even try to convert it.
So what? This site is for questions about LibreOffice usage. Your posting is offtopic here.
Hello,
please see the answer to this question:
As long as they don’t violate TDF trademarks and branding (which apparently they don’t) and provide the source code at least upon request (hey, ask them :p) they are free to sell it. Of course they are freeloaders, but…
Additionally it seems to be crippleware with at least printing being disabled and available only for subscription (search the net for it). Given that, they are obliged to provide also modified source code, unless they realized things such that they only added code without modifying any existing file (see MPLv2), unlikely…