The Engines/Samples are ok for GSA SER?

Hi, friends. I'm sorry, I'm looking tools/soft to create backlinks like these:

http://www.meilleurduweb.com/?rep_rubrique=forum&page_centre=read_mess&id=46256&idforum=1
easy blog comment?

http://tecnln1-prod.its.waikato.ac.nz/resources/355836
comment, but need register account

https://plugins.movabletype.org/locksmith/
same

https://www.ohsu.edu/custom/knight-diagnostic-labs/home/2015/01/21/recent-publication-in-the-journal-of-molecular-diagnostics

http://www.meilleurduweb.com/?rep_rubrique=forum&page_centre=read_mess&id=46256&idforum=1

Thank you.