155 free dofollow directories for your startup

A few are. Links from established directories in your niche help new sites get discovered and can send real visitors. Hundreds of links from low-quality directories don't help and can look spammy, so focus on the top of this list.

Link type is as each directory states it on its site. Directories change their rules, and some only make a link dofollow after review, a badge, or a paid upgrade, so check the link on your live listing.

Anywhere from minutes to several weeks. Many free tiers run a queue, and some offer a paid option to skip it.

Yes. Go Publicly's directory submission service creates the accounts and submits your product to 100+ free directories within 48 hours, so you only write your listing once.