ExpressJS vs. Flask vs. Koa



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Description

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.

What is Flask?

Flask is intended for getting started very quickly and was developed with best intentions in mind.

What is Koa?

Koa aims to be a smaller, more expressive, and more robust foundation for web applications and APIs. Through leveraging generators Koa allows you to ditch callbacks and greatly increase error-handling. Koa does not bundle any middleware.

Want advice about which of these to choose?Ask the StackShare community!

Pros

Why do developers choose ExpressJS?
Why do you like ExpressJS?

Why do developers choose Flask?
Why do you like Flask?

Why do developers choose Koa?
Why do you like Koa?

Cons

What are the cons of using ExpressJS?
No Cons submitted yet for ExpressJS
Downsides of ExpressJS?

What are the cons of using Flask?
No Cons submitted yet for Flask
Downsides of Flask?

What are the cons of using Koa?
No Cons submitted yet for Koa
Downsides of Koa?

Companies

What companies use ExpressJS?
1031 companies on StackShare use ExpressJS
What companies use Flask?
579 companies on StackShare use Flask
What companies use Koa?
52 companies on StackShare use Koa

Integrations

What tools integrate with ExpressJS?
16 tools on StackShare integrate with ExpressJS
What tools integrate with Flask?
7 tools on StackShare integrate with Flask
What tools integrate with Koa?
3 tools on StackShare integrate with Koa

What are some alternatives to ExpressJS, Flask, and Koa?

  • Django REST framework - Web APIs for Django
  • Sinatra - Classy web-development dressed in a DSL
  • hapi - Server Framework for Node.js
  • Sails.js - Realtime MVC Framework for Node.js

See all alternatives to ExpressJS

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