MarketplaceKit - MarketplaceKit is a platform for building different types of online marketplaces.

Sleeknote - Set up lead capture forms on your website in minutes. No coding required. Sync your new email leads with your favorite email service provider. Try for free.

JaJuMa-Market - All-In-One Multi-Vendor / Online Marketplace Solution. Various Business Models supported.

POPUPSMART - A no-code tool to increase e-commerce sales, build email lists and engage with your visitors in just 5-minutes.

Sharetribe - Build your online marketplace business. You don't need a developer.

OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.