MarketplaceKit - MarketplaceKit is a platform for building different types of online marketplaces.
RealMatch - RealMatch is an online recruitment company that builds a recruitment advertising network to connect employers with job seekers.
JaJuMa-Market - All-In-One Multi-Vendor / Online Marketplace Solution. Various Business Models supported.
Naylor Boxwood - Boxwood provides an e-mentoring system, mobile-optimized job board and career center Facebook application.
Sharetribe - Build your online marketplace business. You don't need a developer.
Adicio - Adicio develops interactive classified advertising software solutions for job boards, real estate, and automotive markets.