ExpressJS vs. Flask vs. Fastify

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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 Fastify?

Fastify is a web framework highly focused on speed and low overhead. It is inspired from Hapi and Express and as far as we know, it is one of the fastest web frameworks in town. Use Fastify can increase your throughput up to 100%.

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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 Fastify?
    Why do you like Fastify?

    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 Fastify?
    No Cons submitted yet for Fastify
    Downsides of Fastify?

    Companies

    What companies use ExpressJS?
    721 companies on StackShare use ExpressJS
    What companies use Flask?
    418 companies on StackShare use Flask
    What companies use Fastify?
    4 companies on StackShare use Fastify

    Integrations

    What tools integrate with ExpressJS?
    15 tools on StackShare integrate with ExpressJS
    What tools integrate with Flask?
    7 tools on StackShare integrate with Flask
    What tools integrate with Fastify?
    1 tools on StackShare integrate with Fastify

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

    • 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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