Santiment is building a decentralized sentiment information market for blockchain assets. It combines machine learning, reputation systems, and sentiment analysis to better understand blockchain market trends. Santiment's goal is to allow users to buy and sell information related to crypto-crowd emotions, and to provide more access to financial data related to blockchain assets. The network will be powered by the SAN token.

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.

Safex is developing a decentralized marketplace with an emphasis on privacy, anonymity, and a secure listings. The Safex ecosystem is powered by the SAFEX coin, which has a Proof-of-Work (PoW) consensus mechanism. The decentralized marketplace will require all listings to be curated by a centrally managed system that will be based on participants staking each listing.