WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
Office Timesheets - Professional Services Automation
PrestaShop - Create your online store with PrestaShop's free shopping cart software. Build an ecommerce website for free and start selling online with hundreds of powerful features.
HarmonyPSA - HarmonyPSA - Professional Services Automation (PSA) for IT Businesses
Shopify - Shopify is a powerful ecommerce platform that includes everything you need to create an online store and sell online. Try it free for 14 days.
Timewatch - Timewatch offers time tracking, expense management, resource scheduling and professional services automation solutions.