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.
LibrePCB - LibrePCB is a free EDA software to develop printed circuit boards.
Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
XCircuit - XCircuit: Home Page
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
KiCad - A Cross Platform and Open Source Electronics Design Automation Suite