Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Mongoku - A neat Web-based GUI for MongoDB
Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
adminMongo - An open source admin user interface for your MongoDB
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.
JawsDB - Fast, reliable, no-bullshark MySQL as a service