-
payload
The best way to build a modern backend + admin UI. No black magic, all TypeScript, and fully open-source, Payload is both an app framework and a headless CMS.
-
SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
-
Directus
The Modern Data Stack 🐰 — Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.
netlify - open-source, so free - great UI, suprisingly extensible, but great defaults as well.
payloadcms - free for a single user - no api limits - self hosted (optional) - and pretty damn clean and customizable. With a lot of great add ons
directus - free open source option, clean ui, simple api, very client friendly