https://www.prestashop.com/forums/topic/233442-free-modules-list-only-valuable-and-proven-solutions-15may2017/
Advertising and marketing
Front office features
- homepage tab with bestsellers
- homepage popuplar tab
- homepage new products tab
- homepage ‚on sale‘ products tab
- fixed sticky header
- display products on cms pages
Rest of the modules (1.6.x / 1.5.x / 1.4.x)
Advertise & marketing
- Zopim Live Chat
- Banner manager / multiple advertising
- Block advertising multiple
- Banner image and texts
- Minic mailchimp
- Minic promo
- Yotpo Social Reviews
- free optimizely module for A / B testing
- clicktale heatmapping module
Tools
Catalog, Orders, Products etc. management in BO
- Module to export orders
- Order Edit, Category Edit, Product Edit
- Product export module
- Delete orders from prestashop
- Delete orders from prestashop another one
Front office features
- Block News CMS
- Bottom sidebar banner – add hot info for customers
- Product Reviews – Dramatically increase your reviews
- Recaptcha
- Blog Module – A usefull PrestaShop Module
- HTML BLOCK – insert content anywhere
- display multilingual HTML texts everywhere
- Rating of Products in AJAX
- homepage categories module
- homecategories plus
- Slide captcha – add captcha to your forms
- European Union Cookies Law
- European Union Cookie law block
- Smart Tabs
- Floating viewed products block
- Random homefeatured
- Smoke background effect
- CMS page content on homepage
- Contact Slide module
- Adv Footer
- Featured product carousel
- maintenance information for front office
- password strength bar widget
- product accessories on the cart
- homefeatured + responsive + rich snippets
- background switcher
- infinite scroll
- elevate product zoom
- blog module
- products on cms pages
Integrations
Payments
Slideshows & carouselles
- Minic slider for PS 1.5.+
- Prestashop new product carousel
- Manufacturer carousel
- akila home slideshow
- homeslider on TOP – modification of official module
- sliders everywhere – responsive sliders
Social Networks
- Facebook Like Box free
- Facebook Like Box
- Facebook Comments
- Addsharethis Social Count
- Addthis Block
- Twitter widget – account timeline block
- Coolshare – bookmarks with styles
- Social Network animated buttons (twitter,facebook,google,youtube,rss)
Stats
Shop Admin Tools
- Mail alerts
- PDF Invoice plus
- Validate customer (accept accounts before activation)
- RawSQL query module
- File Explorer, manage your FTP files from back office
- Block IP address – ban any user you want
- Resizable PNG watermark module
- PHP configuration info module
- order sound alert notify in back office
- Hooks manager
- update elements module – display / hide products depending on stock
