ExpressJS vs Flask vs Node.js

Overview

Flask

Stacks19.3K

Followers16.2K

Votes60

Node.js

Stacks200.4K

Followers164.5K

Votes8.5K

GitHub Stars114.1K

Forks33.7K

ExpressJS

Stacks35.1K

Followers24.0K

Votes1.6K

ExpressJS vs Flask vs Node.js: What are the differences?

Introduction

Node.js, ExpressJs, and Flask are popular web application frameworks that are widely used for developing server-side applications. In this Markdown code, we will explore the key differences between ExpressJS and Flask with Node.js.

Language: ExpressJs is a framework for Node.js, which uses JavaScript as its main programming language. On the other hand, Flask is a micro-framework for Python, which uses Python as its main programming language.
Architecture: ExpressJS is based on the Model-View-Controller (MVC) architecture, which separates the application into three main components. Flask, being a micro-framework, follows a more minimalistic approach and allows developers to choose the architecture that best fits their project.
Community and Ecosystem: Node.js has a larger and more active community compared to Flask. This results in a wider range of libraries, plugins, and resources available for Node.js. ExpressJS, being built on top of Node.js, inherits this strong community support.
Performance: Node.js, with its non-blocking I/O model, is known for its high performance and scalability. ExpressJS, being a Node.js framework, also benefits from this performance advantage. Flask, although efficient, may not match the same level of performance in high-traffic applications.
Learning Curve: ExpressJS, being a more feature-rich and complex framework, may have a steeper learning curve for beginners compared to Flask, which is considered to be more straightforward and easy to grasp, making it a popular choice for newcomers to web development.
Flexibility and Extensibility: ExpressJS provides a high level of flexibility and allows developers to customize their applications according to their requirements. Flask, being a micro-framework, is designed to be lightweight and simple, which may limit its extensibility compared to ExpressJS.

In Summary, the key differences between ExpressJS, Flask, and Node.js lie in their programming languages, architectures, community support, performance, learning curve, and flexibility.

Share your Stack

Help developers discover the tools you use. Get visibility for your team's tech choices and contribute to the community's knowledge.

View Docs

CLI (Node.js)

Manual

Advice on Flask, Node.js, ExpressJS

Shivam

AVP - Business at VAYUZ Technologies Pvt. Ltd.

Mar 25, 2020

Needs adviceon

Node.js

Java

Rails

Hi Community! Trust everyone is keeping safe. I am exploring the idea of building a #Neobank (App) with end-to-end banking capabilities. In the process of exploring this space, I have come across multiple Apps (N26, Revolut, Monese, etc) and explored their stacks in detail. The confusion remains to be the Backend Tech to be used?

What would you go with considering all of the languages such as Node.js Java Rails Python are suggested by some person or the other. As a general trend, I have noticed the usage of Node with React on the front or Node with a combination of Kotlin and Swift. Please suggest what would be the right approach!

915k views915k

Comments

Mohammad

Oct 28, 2019

Needs adviceon

Node.js

Laravel

PHP

I want to create a video sharing service like Youtube, which users can use to upload and watch videos. I prefer to use Vue.js for front-end. What do you suggest for the back-end? @{Node.js}|tool:1011| or @{Laravel}|tool:992| ( @{PHP}|tool:991| ) I need a good performance with high speed, and the most important thing is the ability to handle user's requests if the site's traffic increases. I want to create an algorithm that users who watch others videos earn points (randomly but in clear context) If you have anything else to improve, please let me know. For eg: If you prefer React to Vue.js. Thanks in advance

309k views309k

Comments

Zubair

Director at Aafiyah Technologies

Mar 12, 2020

Needs advice

Hi Team

I want your suggestions in order for me to decide which stack is suitable for the below-mentioned requirement.

Currently, I am considering building it in Wordpress (Starting with prebuilt plugins and develop on it)

But I am skeptical, so I am considering Laravel.

And recently I found one very good solution built in Angular, Node and MySQL

Here are the high-level goals I am trying to achieve:

The system has 3 modules

Multi-Vendor e-commerce Market Place
Peer to peer Selling of used items
Listing/ Directory kind of portal for the service industry

290k views290k

Comments

Detailed Comparison

Flask	Node.js	ExpressJS
Flask is intended for getting started very quickly and was developed with best intentions in mind.	Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.	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.
-	-	Robust routing;HTTP helpers (redirection, caching, etc);View system supporting 14+ template engines;Content negotiation;Focus on high performance;Executable for generating applications quickly;High test coverage
Statistics
GitHub Stars -	GitHub Stars 114.1K	GitHub Stars -
GitHub Forks -	GitHub Forks 33.7K	GitHub Forks -
Stacks 19.3K	Stacks 200.4K	Stacks 35.1K
Followers 16.2K	Followers 164.5K	Followers 24.0K
Votes 60	Votes 8.5K	Votes 1.6K
Pros & Cons
Pros 10 For it flexibility 9 Flexibilty and easy to use 7 User friendly 6 Secured 5 Unopinionated Cons 10 Not JS 7 Context 5 Not fast 1 Don't has many module as in spring	Pros 1439 Npm 1279 Javascript 1129 Great libraries 1012 High-performance 805 Open source Cons 46 Bound to a single CPU 45 New framework every day 40 Lots of terrible examples on the internet 33 Asynchronous programming is the worst 24 Callback	Pros 381 Simple 336 Node.js 244 Javascript 193 High performance 152 Robust routing Cons 27 Not python 17 Overrated 14 No multithreading 9 Javascript 5 Not fast

What are some alternatives to Flask, Node.js, ExpressJS?

Rails

Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern.

Django

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.

Laravel

It is a web application framework with expressive, elegant syntax. It attempts to take the pain out of development by easing common tasks used in the majority of web projects, such as authentication, routing, sessions, and caching.

.NET

.NET is a general purpose development platform. With .NET, you can use multiple languages, editors, and libraries to build native applications for web, mobile, desktop, gaming, and IoT for Windows, macOS, Linux, Android, and more.

ASP.NET Core

A free and open-source web framework, and higher performance than ASP.NET, developed by Microsoft and the community. It is a modular framework that runs on both the full .NET Framework, on Windows, and the cross-platform .NET Core.

Symfony

It is written with speed and flexibility in mind. It allows developers to build better and easy to maintain websites with PHP..

Spring

A key element of Spring is infrastructural support at the application level: Spring focuses on the "plumbing" of enterprise applications so that teams can focus on application-level business logic, without unnecessary ties to specific deployment environments.

Spring Boot

Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can "just run". We take an opinionated view of the Spring platform and third-party libraries so you can get started with minimum fuss. Most Spring Boot applications need very little Spring configuration.

Android SDK

Android provides a rich application framework that allows you to build innovative apps and games for mobile devices in a Java language environment.

Phoenix Framework

Phoenix is a framework for building HTML5 apps, API backends and distributed systems. Written in Elixir, you get beautiful syntax, productive tooling and a fast runtime.

Related Comparisons

ExpressJS vs Flask vs Node.js: What are the differences?

Introduction

Language: ExpressJs is a framework for Node.js, which uses JavaScript as its main programming language. On the other hand, Flask is a micro-framework for Python, which uses Python as its main programming language.
Architecture: ExpressJS is based on the Model-View-Controller (MVC) architecture, which separates the application into three main components. Flask, being a micro-framework, follows a more minimalistic approach and allows developers to choose the architecture that best fits their project.
Community and Ecosystem: Node.js has a larger and more active community compared to Flask. This results in a wider range of libraries, plugins, and resources available for Node.js. ExpressJS, being built on top of Node.js, inherits this strong community support.
Performance: Node.js, with its non-blocking I/O model, is known for its high performance and scalability. ExpressJS, being a Node.js framework, also benefits from this performance advantage. Flask, although efficient, may not match the same level of performance in high-traffic applications.
Learning Curve: ExpressJS, being a more feature-rich and complex framework, may have a steeper learning curve for beginners compared to Flask, which is considered to be more straightforward and easy to grasp, making it a popular choice for newcomers to web development.
Flexibility and Extensibility: ExpressJS provides a high level of flexibility and allows developers to customize their applications according to their requirements. Flask, being a micro-framework, is designed to be lightweight and simple, which may limit its extensibility compared to ExpressJS.

In Summary, the key differences between ExpressJS, Flask, and Node.js lie in their programming languages, architectures, community support, performance, learning curve, and flexibility.

ExpressJS vs Flask vs Node.js

Overview

ExpressJS vs Flask vs Node.js: What are the differences?