Alternatives and similar repositories for systemjs

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

• rollup / rollup
  Next-generation ES module bundler
  ☆25,880Updated this week
• Reactive-Extensions / RxJS
  The Reactive Extensions for JavaScript
  ☆19,430Updated 7 years ago
• immutable-js / immutable-js
  Immutable persistent data collections for Javascript which increase efficiency and simplicity.
  ☆33,049Updated last week
• jspm / jspm
  Import Map Package Manager
  ☆3,818Updated last week
• facebookarchive / prepack
  A JavaScript bundle optimizer.
  ☆14,189Updated 3 years ago
• umdjs / umd
  UMD (Universal Module Definition) patterns for JavaScript modules that work everywhere.
  ☆7,440Updated 7 months ago
• postcss / postcss
  Transforming styles with JS plugins
  ☆28,810Updated 3 weeks ago
• cyclejs / cyclejs
  A functional and reactive JavaScript framework for predictable code
  ☆10,245Updated last year
• forwardemail / superagent
  Ajax for Node.js and browsers (JS HTTP client). Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.
  ☆16,622Updated last week
• tj / co
  The ultimate generator based flow-control goodness for nodejs (supports thunks, promises, etc)
  ☆11,882Updated 4 years ago
• petkaantonov / bluebird
  Bluebird is a full featured promise library with unmatched performance.
  ☆20,539Updated 8 months ago
• google / traceur-compiler
  Traceur is a JavaScript.next-to-JavaScript-of-today compiler
  ☆8,172Updated 7 months ago
• webpack-contrib / webpack-bundle-analyzer
  Webpack plugin and CLI utility that represents bundle content as convenient interactive zoomable treemap
  ☆12,639Updated this week
• Matt-Esch / virtual-dom
  A Virtual DOM and diffing algorithm
  ☆11,800Updated 2 years ago
• JakeChampion / fetch
  A window.fetch JavaScript polyfill.
  ☆25,918Updated last year
• ramda / ramda
  Practical functional Javascript
  ☆24,025Updated last week
• stefanpenner / es6-promise
  A polyfill for ES6-style Promises
  ☆7,291Updated 2 years ago
• jayphelps / core-decorators
  Library of stage-0 JavaScript decorators (aka ES2016/ES7 decorators but not accurate) inspired by languages that come with built-ins like…
  ☆4,516Updated 4 years ago
• matthew-andrews / isomorphic-fetch
  Isomorphic WHATWG Fetch API, for Node & Browserify
  ☆6,944Updated last year
• infernojs / inferno
  An extremely fast, React-like JavaScript library for building modern user interfaces
  ☆16,263Updated last month
• ReactiveX / rxjs
  A reactive programming library for JavaScript
  ☆31,351Updated 4 months ago
• facebook / flow
  Adds static typing to JavaScript to improve developer productivity and code quality.
  ☆22,177Updated this week
• mobxjs / mobx
  Simple, scalable state management.
  ☆27,969Updated last month
• gaearon / react-hot-loader
  Tweak React components in real time. (Deprecated: use Fast Refresh instead.)
  ☆12,234Updated 2 years ago
• avajs / ava
  Node.js test runner that lets you develop with confidence 🚀
  ☆20,812Updated this week
• babel / babel
  🐠 Babel is a compiler for writing next generation JavaScript.
  ☆43,657Updated this week
• lerna / lerna
  Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.
  ☆35,972Updated 2 weeks ago
• babel / minify
  An ES6+ aware minifier based on the Babel toolchain (beta)
  ☆4,390Updated last year
• paularmstrong / normalizr
  Normalizes nested JSON according to a schema
  ☆20,922Updated 3 years ago
• BrowserSync / browser-sync
  Keep multiple browsers & devices in sync when building websites. https://browsersync.io
  ☆12,256Updated 3 months ago