If a template engine is all you need here's the simplest: https://github.com/wisercoder/uibuilder https://github.com/wisercoder/uibuilder used by apps such as h

If a template engine is all you need here's the simplest: https://github.com/wisercoder/uibuilder https://github.com/wisercoder/uibuilder used by apps such as https://circles.app https://circles.app