restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Process Street - Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.
RemoteStorage - An open protocol for per-user storage OWN YOUR DATA
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.