WP Social Bookmarking Light的作者是utahta,目前有80,000+个有效安装。已经Tested with 4.7.17版本的wordpress。
Description
This plugin inserts social share links at the top or bottom of each post.
For theme developers, social share links can be added by PHP code or by using shortcode. Check documentation for this use-case.
This plugin documentation can be found here.
This is the list of used social sites:

Hatena
Facebook Like Button
Facebook Share Button
Facebook Send Button
Twitter
Tumblr
Google Bookmark
Google +1
Delicious
Digg
reddit
LinkedIn
Instapaper
StumbleUpon
mixi Check
mixi Like
GREE Social Feedback
atode (toread)
LINE
Pocket
Printerest