Populous is a decentralized invoice trading platform built on the Ethereum blockchain. Populous allows users to buy and sell invoices, and provides companies with an alternative funding solution for immediate cash flow needs.
Companies can sell invoices for up to 95% of their value through a decentralized bidding system that connects them to buyers. The platform is powered by the PPT token.

Fetch.AI is developing a decentralized, AI optimized marketplace for data. Trading on their decentralized network will be performed by Autonomous Economic Agents (AEAs), that will execute transactions without human intervention. These agents will perform tasks, such as delivering data or providing services, and will receive Ethereum-based Fetch tokens as an incentive. Fetch.AI's Open Economic Framework (OEF) will use AI and blockchain to enable these autonomous agents to optimize trading activity in real time.

district0x is developing a network of decentralized marketplaces and communities powered by Ethereum, Aragon, and IPFS. Marketplaces on the network, also known as districts, are built upon a standard open source framework, consisting of Ethereum smart contracts. Districts provide the core functionalities required to operate a decentralized marketplace. Users can post and search listings, rank sellers, and process payments directly on the platform. The network is powered by the Ethereum-based DNT token.