Blazor - An experimental web UI framework using C#/Razor and HTML, running in the browser via WebAssembly
Microsoft PowerApps - Microsoft PowerApps provides tools to create, customize, share and run apps.
Retool - Build custom internal tools in minutes.
Backand - Backand is a backend-as-a-service for AngularJS that provides out-of-the-box social login, push notifications, Ionic integration and more.
Appsmith - Appsmith is an open source web framework for building internal tools, admin panels, dashboards, and workflows.
SaasMax - SaaSMAX helps SaaS Companies and Resellers accelerate sales and channel partner opportunities