Easy Media Replace allows you to replace images and media files easily while retaining the attachment URL and ID. No more delete, re-upload, and search-replace.

Merge and Split Cells

WPBruiser (formerly GoodBye Captcha) is an anti-spam and security plugin based on algorithms that identify spam bots without any annoying and hard to read captcha images.

WordPress Download Manager is a Files / Documents Management Plugin to manage, track and control file downloads from your WordPress Site. Use Passwords, User Roles to control access to your files, control downloads by speed or by putting a limit on download count per user, block bots or unwanted users or spammers using Captcha Lock or IP Block feature, you may also ask users to agree with your terms and conditions before they download.

This plugin adds to default WordPress search engine the ability to search by content from selected fields of Advanced Custom Fields plugin.

With Mouseflow for WordPress you can access everything Mouseflow has to offer – directly from your WordPress dashboard! Learn more about your visitors by viewing recordings of whole user sessions including mouse movements, clicks, scroll events and key strokes. The plugin makes it quick and easy to install the Mouseflow-tracking code on your WordPress-site.

Define a set of redirect rules for specific users, users with specific roles, users with specific capabilities, and a blanket rule for all other users. Also, set a redirect URL for post-registration. This is all managed in Settings > Login/logout redirects.

Best plugin of all time to categorize WordPress media library with folders.