dito

Dito.js is a declarative and modern web framework with a focus on API driven development, based on Objection.js, Koa.js and Vue.js – Developed at Lineto by Jürg Lehni and made available by Lineto in 2018 under the MIT license. Maintained by ditojs on GitHub, where it has earned 94 stars from the community.

It's actively developed around api, declarative, json, and is a solid reference for anyone building with these tools.