Elebase is a back end as a service with geospatial capabilities.
Elebase's fully managed platform provides a powerful API and a rich set of tools to help you build more elegant applications faster and more efficiently. Spend more time building custom features that solve customer problems, and less time designing and maintaining back-end systems.
Napkin Beta - Backend in the browser
Openlink - Openlink is a leading developer of software solutions and support services for trading, risk management, financial and operations professionals.
Horizon - Horizon is a realtime, open-source backend for JavaScript apps.
Agiblocks CTRM - Agiblocks - CTRM software that really matches your requirements !
Socket.io - Realtime application framework (Node.JS server)
Saturn - The second largest planet in our solar system, adorned with thousands of beautiful ringlets, Saturn is unique among the planets.