CRE property online auction platform RI Marketplace and property showcase site Buildout announced that they'll cooperate, each giving its customers the ability to use the other's offerings, the two said in a press release.

RI Marketplace describes itself as an online commercial real estate auction platform. It holds periodic auctions of a variety of properties. A quick look shows mixed-use, hotels, multifamily, retail centers, office, student housing, and more. It offers two-day auction events, absolute auctions with a $1 reserve, custom auctions, and marketplace listings. It's courting potential investors.

Buildout calls itself an "all-in-one commercial real estate platform for brokerages and enterprise organizations." It offers a variety of capabilities, including owner research and outreach tools, CRM for brokers, property marketing software, and brokerage back-office software.