Alternatives and similar repositories for core

Users that are interested in core are comparing it to the libraries listed below

• WebReflection / document-register-element
  A stand-alone working lightweight version of the W3C Custom Elements specification
  ☆1,132Updated 4 years ago
• googlearchive / observe-js
  A library for observing Arrays, Objects and PathValues
  ☆1,349Updated 9 years ago
• reworkcss / rework
  Plugin framework for CSS preprocessing in Node.js
  ☆2,755Updated 4 years ago
• WebReflection / dom4
  Modern DOM functionalities for every browser
  ☆931Updated 4 years ago
• tbranyen / diffhtml
  diffHTML is a web framework that helps you build applications and other interactive content
  ☆869Updated last week
• bosonic / bosonic
  A practical collection of everyday Web Components
  ☆215Updated 8 years ago
• Polymer / polymer-bundler
  Moved to Polymer/tools monorepo
  ☆1,194Updated 7 years ago
• krasimir / absurd
  A JavaScript library with superpowers
  ☆1,376Updated 7 years ago
• MaxArt2501 / object-observe
  Object.observe polyfill
  ☆350Updated 9 years ago
• AFASSoftware / maquette
  Pure and simple virtual DOM library
  ☆781Updated last month
• ModuleLoader / es-module-loader
  Polyfill for the ES Module Loader
  ☆2,223Updated 6 years ago
• webcomponents / custom-elements
  A polyfill for HTML Custom Elements v1
  ☆457Updated 6 years ago
• requirejs / almond
  A minimal AMD API implementation for use after optimized builds
  ☆2,414Updated 5 years ago
• mozbrick / brick
  UI Web Components for Modern Web Apps
  ☆2,963Updated 10 years ago
• Stuk / require1k
  A minimal, and yet practically useful, CommonJS/Node.js `require` module loader for the browser in under 1000 bytes
  ☆344Updated 5 years ago
• stealjs / steal
  Gets JavaScript
  ☆1,369Updated last year
• whatwg / loader
  Loader Standard
  ☆609Updated 4 years ago
• duojs / duo
  A next-generation package manager for the front-end
  ☆3,413Updated 7 years ago
• tildeio / router.js
  ☆1,348Updated 11 months ago
• trueadm / t7
  Lightweight virtual DOM templating library
  ☆900Updated 8 years ago
• calvinmetcalf / lie
  A basic but performant promise implementation.
  ☆741Updated 4 years ago
• dominiccooney / cache-polyfill
  Service Worker Cache polyfill extracted from https://jakearchibald.github.io/trained-to-thrill/
  ☆453Updated 6 years ago
• skatejs / skatejs
  Effortless custom elements powered by modern view libraries.
  ☆3,280Updated 3 years ago
• mathieuancelin / js-repaint-perfs
  Playground to test repaint rates of JS libs
  ☆253Updated 2 years ago
• medialize / sass.js
  Sass.js - API for emscripted libsass to run in the browser
  ☆1,196Updated 2 years ago
• krasimir / cssx
  CSS in JavaScript
  ☆1,007Updated 8 years ago
• naugtur / xhr
  A small xhr wrapper
  ☆801Updated last month
• nx-js / framework
  A modular front-end framework - inspired by the server-side and Web Components.
  ☆464Updated 8 years ago
• krasimir / deb.js
  Minimalistic JavaScript library for debugging in the browser
  ☆1,429Updated 5 years ago
• slushjs / slush
  The streaming scaffolding system - Gulp as a replacement for Yeoman
  ☆1,233Updated 6 years ago