AtroPIM - AtroPIM is a free, 100% open source and configurable PIM solution. It's easy to keep catalogs up to date, add new products or change existing ones, deliver your current product information across all channels.
Akeneo - Akeneo is an open-source Product Information Management solution.
Pimberly - The most powerful Product Information Management platform on the planet.
Pimcore - Pimcore is an award-winning data management and customer experience management software.
Bluestone PIM - Sales depends on how well you present your product.
Plytix - Plytix empowers small ecommerce teams to optimize, distribute, and analyze product data and content from one easy to use cloud platform.