Typehut - Super simple publishing platform
The AlphaFlow Exchange - E*Trade of P2P / Real estate investing
Frost - An open API for Blockchain timestamping
Peerstreet - Finances real estate through a form of crowdfunding.
Telescope - Telescope is an open-source app that lets you easily set up your own online community.
RealtyShares - Real Estate Investing in 20 Minutes