Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
PHPRad - PHPRad is an advanced application development environment capable of generating complete applications in PHP using various databases. Great tool for professionals, the best tool for beginners. Little or No Coding Experience Required
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.
Linx - Integration and automation platform for growing businesses
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...
DHTMLX Suite - DHTMLX Suite offers JavaScript UI library for building cross-browser web and mobile applications.