Colossus
Colossus

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ExpressJS

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Colossus vs ExpressJS: What are the differences?

Colossus: I/O and Microservice library for Scala. Colossus is a lightweight framework for building high-performance applications in Scala that require non-blocking network I/O. In particular Colossus is focused on low-latency stateless microservices where often the service is little more than an abstraction over a database and/or cache. For this use case, Colossus aims to maximize performance while keeping the interface clean and concise; ExpressJS: Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple. Express is a minimal and flexible node.js web application framework, providing a robust set of features for building single and multi-page, and hybrid web applications.

Colossus and ExpressJS can be categorized as "Microframeworks (Backend)" tools.

Some of the features offered by Colossus are:

  • Clean Event-based Programming
  • Seamless Integration with Akka
  • Real-time Metrics

On the other hand, ExpressJS provides the following key features:

  • Robust routing
  • HTTP helpers (redirection, caching, etc)
  • View system supporting 14+ template engines

Colossus and ExpressJS are both open source tools. It seems that ExpressJS with 44.6K GitHub stars and 7.48K forks on GitHub has more adoption than Colossus with 1.14K GitHub stars and 100 GitHub forks.

What is Colossus?

Colossus is a lightweight framework for building high-performance applications in Scala that require non-blocking network I/O. In particular Colossus is focused on low-latency stateless microservices where often the service is little more than an abstraction over a database and/or cache. For this use case, Colossus aims to maximize performance while keeping the interface clean and concise.

What is ExpressJS?

Express is a minimal and flexible node.js web application framework, providing a robust set of features for building single and multi-page, and hybrid web applications.

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      What are some alternatives to Colossus and ExpressJS?
      Flask
      Flask is intended for getting started very quickly and was developed with best intentions in mind.
      Django REST framework
      Django REST framework is a powerful and flexible toolkit that makes it easy to build Web APIs.
      Sinatra
      Sinatra is a DSL for quickly creating web applications in Ruby with minimal effort.
      hapi
      hapi is a simple to use configuration-centric framework with built-in support for input validation, caching, authentication, and other essential facilities for building web applications and services.
      Sails.js
      Sails is designed to mimic the MVC pattern of frameworks like Ruby on Rails, but with support for the requirements of modern apps: data-driven APIs with scalable, service-oriented architecture.
      See all alternatives
      Decisions about Colossus and ExpressJS
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      How developers use Colossus and ExpressJS
      Avatar of Cloudcraft
      Cloudcraft uses ExpressJSExpressJS

      Express.js is the workhorse of the Cloudcraft.co backend. It's not the most exciting part of a stack, but it works, is very well documented, and you can find a plugin for almost everything you could possibly want. We also carefully evaluated Koa.js, but decided not to go down this route: fewer plugins, less documentation & answers online. I'm also not personally convinced by the generators yield syntax at all. ES7 async functions looks like a much better bet, and with Promises and Babel I can have that already today.

      Avatar of Volkan Özçelik
      Volkan Özçelik uses ExpressJSExpressJS

      I use express.js for nightly.zerotoherojs.com and dojo.zerotoherojs.com web apps.

      Express is well-known, lightweight, works out-of-the-box, has great middleware support and has minimal learning curve.

      It is the best framework to start developing a general Node.js web app.

      Avatar of Kent Steiner
      Kent Steiner uses ExpressJSExpressJS

      I'm fluent in ExpressJS, but over the past two years I have moved to HapiJS. Similar results, but I find Hapi to be more full-featured towards my app, api and service needs. I can operate confidently in both.

      Avatar of Promethean TV
      Promethean TV uses ExpressJSExpressJS

      PrometheanTV utilizes the ExpressJS web application framework to deploy various web applications and services including the Broadcast Center Tool, our video embed service, and our REST API.

      Avatar of Merge In
      Merge In uses ExpressJSExpressJS

      We rely on ExpressJS to serve our content simply, easily, and effectively, without the bloat-ware. Big thanks to StrongLoop for supporting this package.

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