The one of SEO support is your website must have a much backlink quality, it can be one way links, reciprocal links, etc. I don’t recommend to use automatic software to submit your link as speed as not human possibility, it could be questions progress for search engine how can it be? In another way, you may to be ban or catch by sandbox. So becarefull your website can’t appear anymore on search engine like Google or the others. Of course if this is happened on our site, unfortunately the energy, time, and cost just useless, wasting the time like a rubbish.
Well, use the manual or semi automatic url submitter program software, it will save for your site because the progress as natural as human possibility to do that on how long timeline you have submit.
You can submit to below website directory to get free backlink:
Smart Web Directory
Submit URL Directory – Suggest URL – Sublime Directory
Submit Web Link General Directory
ArtCliff Internet Directory
BMVG Free Link Directory
WTS Link Directory
eWolf.info – Best Web Directory
The list of website directory will update as my progress manual. Feel free to use the good quality backlink web directory above.