Vue

In short: A frontend framework deliberately positioned between React (flexible, minimal) and Angular (complete solution) — known for its low barrier to entry.

In more detail: Vue uses an HTML-like template syntax (instead of JSX like React) and can be used both minimally (enhancing individual page components) and as a complete framework for entire single-page apps. Popular especially because Vue files can be read almost like normal HTML.

In Depth

A typical Vue component (a .vue file) bundles template, logic and styling in one file:

<template>
  <button @click="counter++">Clicked: {{ counter }}</button>
</template>
 
<script setup>
import { ref } from "vue";
const counter = ref(0);
</script>
 
<style scoped>
button { padding: 8px 16px; }
</style>

The <template> block reads almost like normal HTML with a few additional directives (@click for event handling, {{ }} for embedded values) — unlike JSX in React, where HTML-like syntax is embedded directly in JavaScript. This closeness to classic HTML/CSS/JS lowers the barrier to entry especially for developers coming from pure frontend craft (rather than complex JavaScript toolchains).

Vue was originally designed by a single developer (Evan You, formerly on Google’s Angular team) as “the best of both worlds”: the flexibility and low opinionation of React, combined with some of the built-in convenience features of Angular (e.g. two-way data binding out of the box). The ecosystem is smaller than React’s, but with officially maintained additional packages for routing (Vue Router) and state management (Pinia), it’s still complete enough for large applications, without having to decide between a confusing selection of third-party libraries as with React.

Reactivity as a core concept

Vue’s central technical feature is its reactive data system: if a value marked with ref() or reactive() changes, Vue automatically updates exactly the parts of the UI that depend on that value — without the developer having to explicitly trigger a re-render, as is necessary with some other approaches. Internally, Vue achieves this via JavaScript proxies, which intercept read and write access to reactive objects and automatically track which UI parts depend on which data — a fundamentally different technical approach from React’s comparison of the entire virtual DOM tree on every render.

Options API vs. Composition API

Since version 3, Vue has offered two parallel ways of writing components: the older Options API (logic split into fixed categories like data, methods, computed, good for beginners due to its clear structure) and the newer Composition API (<script setup>, as in the example above — logic is grouped freely by thematic relatedness instead of technical category, similar to React’s hooks). The Composition API suits complex components with a lot of reusable logic better, but the Options API remains fully supported and the standard in many existing projects.

Adoption and use cases

Vue is especially popular among teams looking for a gentler learning curve than React, but wanting more built-in structure than plain JavaScript — often in content management systems, admin dashboards, and among teams gradually migrating from server-rendered HTML to more interactive interfaces (since Vue, unlike React, can also very easily be used for just individual page sections of an otherwise classic website, without rebuilding the entire page into a single-page application).

See also: React, Angular