adminMongo - An open source admin user interface for your MongoDB
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Mongoku - A neat Web-based GUI for MongoDB
Blazor - An experimental web UI framework using C#/Razor and HTML, running in the browser via WebAssembly
MongoLab - MongoLab is a fully managed MongoDB Database-as-a-Service platform that automates the operational aspects of running MongoDB in the cloud.
Flatfile - The new standard for data import