Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.

QuickBase - Quickbase provides a no-code operational agility platform that enables organizations to improve operations through real time insights and automation across complex processes and disparate systems. ​​

Ninox - Ninox is a human-friendly database. Create your own Business Application with Ninox that matches your workflow. Ninox lets you integrate CRM, ERP, HR and many more...

AppSheet - AppSheet enables users to create mobile apps instantly for both OS and Android. 

AppyPie AppMakr - AppMakr is a browser-based platform designed to make creating your own iPhone app quick and easy.

Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.