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.
Exclaimer - Exclaimer is the industry's leading provider of email signature solutions, empowering businesses to unlock the potential of email as a key digital advertising channel.
Pimberly - The most powerful Product Information Management platform on the planet.
Sigstr - Email signature marketing
Bluestone PIM - Sales depends on how well you present your product.
NEWOLDSTAMP - Email signature generator