CloudBeaver might be a bit more popular than Kexi. We know about 1 link to it since March 2021 and only 1 link to Kexi. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
LibreOffice Base (which I tried several years ago) and KEXI (which I haven't tried) are some free/open-source alternatives. They may help get you started in what you're looking to build. Source: over 2 years ago
CloudBeaver's integrated schema diagrams\ Released around the same time as Beekeeper Studio, CloudBeaver is a smaller, open-source project supported by a stable of thirteen contributors. Because of this, development schedules are a little more deliberate, but that hasn't stopped CloudBeaver from fine-tuning its lightweight, user-friendly GUI. The interface is clean and has both dark and light modes. CloudBeaver... - Source: dev.to / over 2 years ago
Microsoft Office Access - Access is now much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating browser-based database applications.
TogetherDB - A simple, modern and powerful online database running on a real MySQL or PostgreSQL database, with fine granular permissions, SQL bookmarks, user groups management and more.
LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Baserow - Open source no-code database and Airtable alternative. Create your own online database without technical experience. Performant with high volumes of data, can be self hosted and supports plugins
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.