GrapesJS / grapesjs

Free and Open source Web Builder Framework. Next generation tool for building templates without coding

plasmicapp / plasmic

Visual builder for React. Build apps, websites, and content. Integrate with your codebase.

avo-hq / avo

The Essential Toolkit for building Internal Tools and admin panels with Ruby on Rails

koosoli / ESPHomeDesigner

A visual drag-and-drop editor for ESPHome displays (E-Ink, OLED, LCD, Touch), running as a Home Assistant integration or a standalone web app.

lvgl / lvgl_pro

Complete workflow for professional LVGL UI development. Import from Figma, build in XML with instant preview, test in CI, and export plain LVGL C. No extra runtime needed.