Plugins That Have Worked for Me
Post Order
http://wordpress.org/plugins/intuitive-custom-post-order/
Image & Gallery Lightbox
http://wordpress.org/plugins/wp-slimbox2/
Membership
https://wordpress.org/plugins/members/
Backup
https://wordpress.org/plugins/updraftplus/
SEO
https://wordpress.org/plugins/wordpress-seo/
Edit Widget Text
https://wordpress.org/plugins/black-studio-tinymce-widget/
CSS Overrides
https://wordpress.org/plugins/simple-custom-css/
Google Fonts
https://wordpress.org/plugins/easy-google-fonts/
Gallery Custom Links
https://wordpress.org/plugins/wp-gallery-custom-links/
Regenerate Thumbnails
https://wordpress.org/plugins/regenerate-thumbnails/
Under Construction
https://wordpress.org/plugins/underconstruction/
URL Redirects
https://wordpress.org/plugins/simple-301-redirects/
Ecommerce
https://wordpress.org/plugins/wordpress-ecommerce/
https://wordpress.org/plugins/woocommerce/
Calendar
https://wordpress.org/plugins/the-events-calendar/
Forms
https://wordpress.org/plugins/contact-form-7/
https://wordpress.org/plugins/flamingo/
Builder
http://codecanyon.net/item/visual-composer-page-builder-for-wordpress/full_screen_preview/242431