WordPress is released under the GPL (General Public License). This license grants users the freedom to run, study, share, and modify the software. Because most premium plugins and themes rely on WordPress’s GPL code, the PHP portion of these plugins is legally considered a derivative work. Consequently, once a plugin is sold once, the GPL allows the buyer to redistribute that code freely.
Since I don’t have live access to current reviews or third-party testing results for that specific name, here is a you can apply to evaluate “freshplugin4u free” yourself — plus what to watch out for with free plugin sites. freshplugin4u free