Google Plus Authorship v2.6
Add Google Plus Profile Picture to Google Search Results. Very Easy to implement! Google authorship for multiple authors
Tags / authorship
authorship
8 WordPress plugins tagged “authorship”. Every result links to a crawlable PlugIndex profile.
WP Google Authorship v2.1
Google Plus Profile Picture appear in Google Search. Very Easy to implement. Including Google authorship for multiple authors and multisite.
RankWise SEO WordPress Plugin v2.1.12
Contains the SEO core of rankwise.net. Scan the website, individual pages and posts. Contains an authorship check and analyses for Google+ profiles.
Simple Google Authorship and Avatar v1.0
Enables users to easily claim google authorship on their content and use their google profile picture as an avatar
Disable comments with Google authorship v1.0
A quick way to disable comments with Google authorship link. This protect your blog from members who want to get article authorship.
GooglePlus Multi-Authorship v1.0
GPMA provides a straightforward solution to properly add Google+ Authorship markup to the head of each post and page on a multi-authored site.
Tessa Authorship v0.7.7
Show author information on post types not depending on WordPress users for galleries, expositions, content offered for/by third parties, etc.
Hummint Badge v1.0.1
Show a verifiable Hummint badge on posts and link readers to the public certificate of the writing process.