MarketplaceKit - MarketplaceKit is a platform for building different types of online marketplaces.
OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
JaJuMa-Market - All-In-One Multi-Vendor / Online Marketplace Solution. Various Business Models supported.
OptiMonk - OptiMonk is the most powerful Onsite Retargeting platform, that helps you increase the conversion rate of your site, and get more leads by recovering lost visitors.
Sharetribe - Build your online marketplace business. You don't need a developer.
POPUPSMART - A no-code tool to increase e-commerce sales, build email lists and engage with your visitors in just 5-minutes.