Self-Hosted E-commerce Platforms (Shopping Carts):
Opencart - Features List Here - free/open source shopping cart
Magento - Features List Here - free and premium editions available
CubeCart - Features List Here - free and pro versions available
CS Cart - Features List Here - free and pro editions available
X Cart - Features List Here - premium version Gold and Pro
Zen Cart - Features List Here - free shopping cart
osCommerce - Features List Here - free online store software
CRE Loaded - Features List Here - free shopping cart solution
PrestaShop - Features List Here - free shopping cart platform
VirtueMart - Features List Here– free e-commerce extension for use with the Joomla CMS
Pinnacle Cart - Features List Here - Premium Shopping Cart Solution
AbanteCart – Features List Here – Free Version and Online Live Demo
SunShop – Features List Here – SunShop is a one-off fee shopping cart software solution
Content Management System E-commerce Extensions:
WooCommerce – Features List Here – Touted as the number one e-commerce plug-in for WordPress users and free to use – plus lots of extensions available.
JigoShop – Features List Here – Another e-commerce plug-in for WordPress – this time it is premium and not free to use.
Cart66 – Features List Here – Cart66 is another platform for selling on WordPress, it has Cart66 Pro for $149 one-off fee for unlimited site use or you can use the hosted Cart66 Cloud version for a subscription – all with 30 Day Money Back Guarantee.
Drupal Commerce – Features List Here – This is an e-commerce plug-in made for the Drupal CMS, free to use and has an online live demo – plus lots of extensions available
UberCart – Features List Here – Similar to Drupal Commerce, this cart works with the Drupal CMS system and is free to download
MijoShop – Features List Here – A premium e-commerce plug-in for the Joomla CMS system – online Demo Available
VirtueMart - Features List Here – A free e-commerce extension for use with the Joomla CMS
Hosted E-commerce Solutions:
Shopify - Features List Here – 14 Day Free Trial
Big Cartel - Features List Here – Basic Gold Plan is Free, Bigger Plans Incur Monthly Fee
Volusion - Features List Here – 14 Day Free Trial
BigCommerce - Features List Here – 15 Day Free Trial
EKM Powershop - Features List Here – Free Trial
Here is a Wiki on making templates for EKM ---> http://wiki.ekmpowershop.com/Modifying_an_ekmPowershop_template
3DCart - Features List Here– 15 Day Free Trial
Squarespace – Features List Here – 14 Day Free Trial
Fortune3 – Features List Here – 30 Day Free Trial
Shopping Cart Elite – Features List Here – Free Trial and can schedule a demo of the platform with them
AShop Commerce – Features List Here – 14 Day Free Trial
ProDemon - Features List Here - Hosted solution from forum member Gary
+++ Template Directory +++
Multiple Cart Template Sites:
http://themeforest.net/- Possibly the number 1 place to look for a template for Magento, Opencart, Zen Cart, PrestaShop, CS Cart, VirtueMart and osCommerce themes – also offers Shopify themes – WooCommerce, JigoShop, UberCart, Cart66 and WP-Ecommerce templates – Huge selection of Responsive themes for relatively small amounts of money.
http://www.algozone.com/- Opencart, CS Cart, osCommerce, Zen Cart, Magento, AbanteCart and CRE Loaded – Premium templates, quite expensive – some responsive templates and specific mobile template sections for Open Cart, Zen Cart and osCommerce.
http://www.templatemonster.com/ecommerce-templates.php- Opencart, Magento, Zen Cart, PrestaShop, osCommerce, VirtueMart, CRE Loaded, Shopify, JigoShop and WooCommerce templates available (some free) – a good amount of responsive templates - some CMS/Blog templates also.
http://www.drupallove.com/- templates for osCommerce, Magento, Zen Cart, PrestaShop and VirtueMart all available here.
http://www.nice-layouts.com/oscommerce-templates/- osCommerce, Zencart, CRE Loaded and wordpress themes available.
http://www.hypertemplates.com/type/zencart-templates/- Zencart, Magento, osCommerce, PrestaShop, ViruteMart templates – some wordpress and joomla – some mobile templates but very few responsive templates.
http://www.templatemagician.com/oscommerce-templates.html- CRE Loaded, Magento, Opencart, osCommerce, PrestaShop, VirtureMart and Zen Cart templates available.
http://www.membuy.com/- osCommerce, Magento, VirtueMart, PrestaShop, Zen Cart and Opencart templates – a large amount of premium templates and a limited selection of free templates – responsive layouts available for most carts listed.
http://www.pixemus.com/cs-cart-templates.html- Zen Cart, CS Cart, Open cart and osCommerce – some free and premium templates.
http://www.12leaves.com/cs-cart-templates/- Zen Cart, CS Cart, Open Cart and osCommerce – some free and premium templates.
http://websiteskin.com/- Has a few CS-Cart, Open Cart and Shopify Themes Available.
http://www.opencarttemplates.com/- Free and Premium templates available – small range but some responsive templates.
http://opencarter.com/index.php?route=common/home- Premium templates available - small range – customization also available apparently.
http://www.tmdhosting.com/templates/free-opencart-templates.html- some free open cart templates.
http://opencartmarket.com/- Premium templates – good range.
http://isenselabs.com/products/index/Dev-Tools-and-Themes/OpenCart-Themes- A small collection of responsive open cart templates – premium.
http://www.emthemes.com/- good range of premium themes for magento, new themes released every month, full customization available – a good range of responsive templates now available
http://www.hellothemes.com/- full premium range of themes (some optismised for mobile and Go), tweaks and modifcation services – also PSD to magento theme service, access to as many themes as wanted with the club membership (for developers). New monthly themes released.
http://templates-master.com/magento-templates.html- Magento premium templates more than 85+ to choose from, 3 months free support and free template installation.
http://web-experiment.info/- Both free and premium templates available, several responsive and retina templates available – their Magento showcase for inspiration is quite useful.
http://galathemes.com/- some premium themes available as well as tweaking services – most templates look to be responsive.
http://www.magento-themes.jextn.com/- premium themes but lower prices than normal, good range and testimonials available on site.
http://www.mage-world.com/magento-themes.html- good range of premium themes, also some basic free themes. Extensions available.
http://www.magthemes.com/- free and premium themes, magento plug-ins available and custom theme design available as a service.
http://www.design4magento.com/- some free and premium templates available.
http://www.plazathemes.com/- premium templates available from $60 – Plaza Club Membership benefits including responsive design – 30 Day Money Back Guarantee and Live Demo available.
http://www.magentocommerce.com/magento-connect/themes.html- this is the MagentoConnect marketplace for extensions and themes.
http://www.zencartwebtemplates.com/- premium zen cart templates – good range.
http://www.iwebshop.co.uk/zen-cart-templates-c-61.html- premium and free templates available. Custom template service also available.
http://www.picaflor-azul.com/- premium templates and modules available – custom design service.
http://www.hiddenpixels.com/designer-and-developer-resources/free-zen-cart-templates/- free templates available.
http://www.templateworld.com/oscommerce.html- large amount of premium templates available – membership available for developers, or cost of template from $25.
https://www.xtendify.com/en/themes/oscommerce - A collection of premium templates.
http://www.pinnaclecart.com/cart-themes/ - Pinnacle Cart comes with this selection of templates as standard.
http://xhtmlfactory.com/services/psd-to-pinnaclecart/- offer a PSD to Pinnacle Cart template design service.
http://cc3.biz/cubecart-version-4/cat_21.html - Skins and mods available for V3, V4 and V5.
http://forums.cubecart.com/- place to find good contractors and designers for skinning the cart – good knowledge base also.
http://www.cubecartforums.org/- a secondary forum with a large catalogue of skins and modules available from developers on the platform.
http://www.codingstaff.com/products/cs-cart-templates- premium templates available - minimum of 2 new templates every month.
http://www.cscartskins.com/- a handful of premium templates available.
http://www.cscartrocks.com/- premium templates and add-ons for the cart.
http://www.x-cart.com/ecommerce-design-templates.html- e-commerce design templates from the XCart forums.
http://marketplace.x-cart.com/skins-templates/- XCart marketplace for skins and templates.
http://x-cart-customization.com/templates/- a handful of premium templates available.
http://www.carttemplates.com/mods/x-cart-templates.html- a range of premium templates.
http://www.thexcartstore.com/xcart-templates.html - Several Premium Templates with Responsive and/or Mobile Built-in.
http://www.woothemes.com/product-category/themes/woocommerce/ - A small collection of themes built purposefully for the WooCommerce plugin (3 free themes available) including some themes that are fully responsive for mobile & tablet use. Also the site has some simple wordpress themes.
http://themes.shopify.com/- huge array of paid and free themes for the shopify platform – some developed for mobile usage also.
http://www.shopify-themes.net/- Boasts a large array of themes for Shopify sites with all being responsive and SEO optimized.
http://www.undergroundmedia.co.uk/shopify-themes- some themes available, full custom development available as well as tweaks and small upgrades.
http://themes.tonkapark.com/- premium store themes available as well as custom store design.
http://www.aarcadethemes.com/- another handful of premium themes with good support available. Some free pages available also.
+++ The All New - Plug-ins and Extensions Directory +++
I have decided to collate and add a section specifically for plug-ins and extensions for e-commerce platforms, so if you are looking to get more functionality and extend the power of your website then have a little look at the links below:
Multiple Cart Extensions:
http://codecanyon.net/?osr=tn – The biggests collection of extensions modules for Open Cart, Magento, osCommerce, Zen Cart, VirtueMart, PrestaShop, UberCart, WooCommerce, JigoShop and WP-Ecommerce all in one place, from small prices and with direct contact to developers.
http://www.modulebazaar.com/ - 46 PrestaShop and 27 Magento Extension Modules Available Mainly Premium.
http://www.magneticone.com/store/index.php - Provides Modules for Magento, PrestaShop, X-Cart, Zen Cart, osCommerce, CRE Loaded, Pinnacle Cart, Cube Cart, VirtueMart and Open Cart.
http://www.woothemes.com/plugins/ - A collection of plug-ins for the wordpress platform including WooCommerce and the well-designed WooSlider.
http://www.opencart.com/index.php?route=extension/extension&path=1&sort=e.date_modified&order=DESC– The Official Open Cart Extensions Marketplace.
http://opencartmarket.com/opencartmodules.html - A good range of modules.
http://www.opencartx.com/ - Another marketplace for Open Cart Modules.
http://opencartaddons.com/free-extensions - A Large Selection of Free Extension Modules and Some Premium Also.
http://opencartart.com/ - A Small Selection of Priced Modules for Open Cart.
http://opencartguru.com/ - Another Collection of Open Cart Extensions Mainly Premium.
http://isenselabs.com/products/index/Dev-Tools-and-Themes/OpenCart-Modules - An In-Depth Collection of Open Cart Modules with Many Social Integration Tools and a More Updated Feel Towards Developing.
http://opcrat.com/opencart-extensions - A Collection of Creatively Designed Open Cart Extensions.
http://the1path.com/opencart-extensions - 13 Open Cart Modules – Several Free and Premium.
http://www.oc-extensions.com/ - An Extensive Collection of Open Cart Modules – Run a Membership Scheme for Multiple Module Downloads under One Blanket Fee.
http://shop.openbaypro.com/opencart_modules - Good Collection of Open Cart Modules by a UK Based Team which Offers Support.
http://top1extensions.com/8-free-opencart-modules - 6 Free Open Cart Modules.
https://www.xtendify.com/en/plugins/opencart - Several Free and Premium Extension Modules.
http://www.emthemes.com/commercial-magento-extensions.html - A good range of both free and premium extensions for Magento.
http://templates-master.com/magento-extensions.html - Another large range of Magento extension modules.
http://web-experiment.info/magento-extensions - 8 Extension modules for Magento.
http://www.mage-world.com/magento-extensions.html - Good range of extension modules.
http://www.magthemes.com/magento-plugins-1 - 6 Magento Extension Modules.
http://www.fmeextensions.com/extensions.html?mode=list – A vast array of Magento extension modules – sometimes offering 15% discount for 3 or more purchases.
http://www.plazathemes.com/magento-extensions.html - 25+ Magento Extension Modules.
http://www.gomage.com/ - A good collection of free and premium Magento extensions – also they are a TWF Advertiser.
http://cubecart.expandingbrain.com/ - Estelle’s Mod Store for Cube Cart has a good range of Add-Ons.
http://forum.cs-cart.com/forum/24-third-party-add-ons/ - CS Cart Forum Lists of Add-Ons and Modules.
http://www.12leaves.com/cs-cart-modules/ - Banner, Facebook Integration, Image Pop-up Modules.
http://www.cscartrocks.com/cs-cart-addons - A collection of CS-Cart Add-Ons.
http://www.alt-team.com/cs-cart-modules.html?sl=EN – Several Free and Premium CS Cart Modules.
http://www.codingstaff.com/products/cs-cart-addons - A Good Range of CS Cart Add-Ons.
http://www.carttuning.com/cs-cart-addons/ - 9 CS Cart Premium Add-Ons.
http://www.magictoolbox.com/cscart/ - A Selection of Premium Image Tools for CS Cart - Potentially Available for Other Carts Too.
http://cs-cart.seonid.com/cs-cart-addons/ - A Collection of Premium CS Cart Modules.
http://www.x-cart.com/extensions - The Official X-Cart Extensions Marketplace.
http://marketplace.x-cart.com/addons-modules/ - Further X-Cart Add-Ons Marketplace with a Greater Range.
http://www.simplyxcart.com/x-cart-add-on-modules/ - A Large Marketplace of X-Cart Modules – Premium Mainly.
http://www.xcartmods.co.uk/ - A Small Collection of X-Cart Modules – Some Free but mainly Premium.
http://www.zone1creative.co.uk/x-cart-modules - 4 Modules - 2 Free & 2 Premium.
http://www.zen-cart.com/downloads.php - The Main Zen Cart Downloads List.
https://zen-cart-modules.com/ - A Small Collection of Premium Modules for Zen Cart.
https://www.numinix.com/downloads/zen-cart-modules - Detailed Collection of Free and Premium Zen Cart Modules nicely Categorised into Specific Sections.
http://zencart-modules.co.uk/ - Another Modules Marketplace for Zen Cart.
http://addons.oscommerce.com/ - The Official osCommerce Community Add-Ons List.
http://www.oscommerce-addons.com/ - A Collection of Free and Premium Add-Ons.
http://www.hotscripts.com/category/plugins/oscommerce-addons/ - A Large Collection of Mainly Free Add-Ons for osCommerce.
http://marketplace.algozone.com/abantecart/ - The Extensions Marketplace for AbanteCart.
http://www.jigoshop.com/extend/ - The Official JigoShop Extension Marketplace.
http://www.drupalcommerce.org/extensions/module - The Official Drupal Commerce Extensions Marketplace.