Gwolle Guestbook is the WordPress guestbook you've just been looking for. Beautiful and easy.
Makes video thumbnails, allows resolution switching, and embeds responsive self-hosted videos and galleries.
Automatically add black ribbon into sites corner (may be used for some purpose)
SMu DoFollow has many DoFollow Options (Manual or Automatism) and included URL Validator (Manual, WP-Cron or Cronjob).
Save relative URLs to database. Present absolute URLs for viewing.
Postie allows you to create posts via email, including many advanced features not found in WordPress's default Post by Email feature.
This plugin adds courier and tracking number to the woocommerce order, and a dedicated email to send shipment tracking info to the customer.
AMP Supremacy | Accelerated Mobile Pages
By the makers of Project Supremacy.
Yet Another Stars Rating is a simple plugin which allows you and / or your visitor to rate a post or element. Ideal for review's website
WP RSS Aggregator is the most comprehensive RSS feed importer and autoblogging plugin for WordPress with premium add-ons for additional functionality.
The one and only next generation podcast publishing system. Seriously. It's magical and sparkles a lot.
Authenticate new users against the minecraft.net valid user database.
No. 1 Podcasting plugin for WordPress, with simple & advanced modes, players, subscribe tools, and more! Supports iTunes, Google Play, Stitcher…
Redux is a simple, truly extensible and fully responsive options framework for WordPress themes and plugins. Ships with an integrated demo.