Contact Form 7
Just another contact form plugin. Simple but flexible.
https://wordpress.org/plugins/contact-form-7/
Image Widget
A simple image widget that uses the native WordPress media manager to add image widgets to your site.
https://wordpress.org/plugins/image-widget/
Really Simple CAPTCHA
Really Simple CAPTCHA is a CAPTCHA module intended to be called from other plugins. It is originally created for my Contact Form 7 plugin.
https://wordpress.org/plugins/really-simple-captcha/
TablePress
TablePress enables you to create and manage tables in your posts and pages, without having to write HTML code, and it adds valuable functions for your visitors.
https://wordpress.org/plugins/tablepress/
UpdraftPlus – Backup/Restore
Backup and restore: take backups locally, or backup to Amazon S3, Dropbox, Google Drive, Rackspace, (S)FTP, WebDAV & email, on automatic schedules.
https://wordpress.org/plugins/updraftplus/
WP-RTL
Adds two buttons to the TinyMCE editor to enable writing text in Left to Right (LTR) and Right to Left (RTL) directions.
https://wordpress.org/plugins/wp-rtl/