xieweiking

Adds Wechat pay and Alipay QRCode upload fields to user profiles if the current user has media permissions, adds PayPal link field to user profiles too. Simple and lite.
Edit a user profile, and scroll down to the new “Rewards” fields.
User’s rewards content will display at the end of its articles.
Stores QRCodes in the “uploads” folder where all of your other media is kept.
若用户有上传多媒体内容的权限，则在用户个人资料页面添加微信支付、支付宝的收款二维码上传字段，同时添加PayPal链接字段到用户个人资料页面。十分简洁的一款插件。
编辑一个用户的个人资料，滚动到新添加的“打赏”字段你就可以看到。
用户的打赏内容将会在它的文章的结尾处显示。
二维码图片将会被保存在“uploads”文件夹，也就是用来保存其他多媒体内容的目录。

WP User Rewards

Pay tribute to simple-local-avatars and donate-with-qrcode

Great and simple

Adds user reward/donate fields to user profiles, including Wechat pay QRCode, Alipay QRCode, and PayPal link. 在用户个人资料页面添加打赏设置，包括微信收款二维码、支付宝收款二维码和PayP …

konnektiv

This Plugin provides a search engine to find experts who created or commented various WordPress content types. Experts are found using a sophisticated algorithm evaluating the social interaction. Its parameters can be configured on the plugin settings page. The search engine can be included anywhere on the site using the [expert_finder] shortcode.
This plugin was originally developed for the <a href="https://quality4digitallearning.org/" rel="nofollow ugc">globe – Community of Digital Learning</a> on behalf of <a href="https://www.giz.de/" rel="nofollow ugc">GIZ</a>.
<h4>Contact</h4>
<ul>
<li><a href="http://konnektiv.de/" rel="nofollow ugc">Konnektiv</a></li>
<li><a href="https://github.com/konnektiv/expert-finder" rel="nofollow ugc">Expert Finder on GitHub</a> – Report issues, contribute code</li>
</ul>

Expert Finder

A search engine to find experts who created or commented various WordPress content types.

WP User Rewards vs Expert Finder