Angular (or Angular 2+) is a modified version of AngularJS (Angular 1.x) that became obsolete once React came out. It is maintained by Google. Angular is a complete framework compared to React which is only a library. Angular operates on real-DOM and two-way data binding, compared to React which uses virtual DOM and one-way data binding. In addition to this, React being smaller and more compact can sometimes be faster than Angular for smaller applications.
Vue.js, the youngest framework, was developed by an ex-Google employee, Evan You. It leverages concepts used in both React and Angular to build creative interfaces.