DoFollow Case by Case v3.6.1
DoFollow Case by Case allows you to selectively apply dofollow to comments and make links in pages or posts nofollow.
Tags / dofollow
dofollow
10 WordPress plugins tagged “dofollow”. Every result links to a crawlable PlugIndex profile.
Nofollow Case by Case v1.5.6
"Dofollow" but Nofollow Case by Case allows you to selectively apply nofollow to your comments as well.
SMu Manual DoFollow v1.8.1
SMu DoFollow has many DoFollow Options (Manual or Automatism) and included URL Validator (Manual, WP-Cron or Cronjob).
DoFollow State v2.45
DoFollow State let your Wordpress webblog have dofollow structure for all links including links on comments.
BBP DoFollow v1.1
A helpful tool to makes your bbpress internal links dofollow and external links nofollow.
140follow v2.0
140follow removes NOFOLLOW from author link if the comment has more than XXX characters.
InComment v0.4
Adds an extra "referral" note to the bottom of comment forms, so you could see where people come from comment. Useful for finding resources …
NFCBC SEO Light v1.0
NFCBC SEO Light - The light version of [Nofollow Case by Case](http://www.fob-marketing.de/marketing-seo-blog/wordpress-nofollow-seo-plugin-nofollow-c …
WP DoFollow Comment Links v1.0.0
The plugin automatically makes all the comment links to your own domain dofollow, while all external links remain nofollow.
FloeComment v1.0
This plugin enables you to set rules for visitors to get a dofollow backlink on commenting.