Express.js Express.js
vs
Flask Flask

This is a side by side comparison of Express.js and Flask. Two products that are similar in nature, yet provide unique feature-sets that are worth taking in to account before making a purchasing decision or start using the software. This page can help you broadly analyze the products and weigh pros and cons against one another. Allowing you scrutinize peoples opinions about Express.js and Flask, before making a decision if any of the products fit your use-case.

What is Express.js?

Express.js is a free and open-source web application framework for Node.js, released as free and open-source software under the MIT License. Express is designed for building fast web applications and APIs. In the Node.js community the Express framework is seen as the defacto standard when it comes to building such applications. The philosophy of the framework is to provide a small and robust toolset for building HTTP servers with JavaScript and Node.js. Express does not force you to use any specific database, ORM or templating language, as it leaves that up to you as a developer, to maximize freedom and choice. Express.js is used by companies and hobby developers alike to build single page JavaScript applications, websites, hybrids and public HTTP APIs.

How much does Express.js cost?

Express.js is a free and open-source software released under the MIT License.

What platforms does Express.js support?

Express.js is available for Self-Hosted , JavaScript and Node.js .

Top Express.js Alternatives

NestJS

NestJS is a free and open source JavaScript framework for building scalable Node.js web applications. The framework uses modern JavaScript and is built with TypeScript. NestJS is utilizing a multi paradigm model including Object Oriented Programming, Functional Programming and Functional Reactive Programming.

Free & Open Source
👍 Most people think NestJS is a good alternative to Express.js.

Hapi

Build powerful, scalable applications, with minimal overhead and full out-of-the-box functionality with Hapi. It's a free and open-source JavaScript framework for Node.js that is developed for enterprise-grade applications. Companies like Walmart, Brave and Condé Nast build web-services with Hapi and rely on it at scale.

Free & Open Source
👍 Most people think Hapi is a good alternative to Express.js.

Laravel

Laravel is an extremely popular, free and open source web application framework with expressive, elegant syntax. The framework is written in PHP and provides a developer experience that rival most web application frameworks on the market today. The structure and built-in features of Laravel allows developers to build web applications faster. Instead of setting up tooling and configuring settings, developers can focus on the important task at hand, making their ideas into reality.

Free & Open Source

The software Flask Flask is removed from the Top Express.js Alternatives since you are comparing against it. If you are looking for more software, applications or projects similar to Express.js Express.js we recommend you to check out our full list containing 10 Express.js Alternatives.

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What is Flask?

Flask is a micro framework framework written in Python that can be used to build APIs, web services and web applications. Flask is designed from the bottom up to be extremely minimal and easy to use, where your whole application can fit into one single Python file. The framework includes no database abstraction layer, form validation, or any other components, by design. However pre-existing third-party libraries provide common functionality needed to build production ready applications and services.

How much does Flask cost?

No pricing information available..

What platforms does Flask support?

Flask is available for Self-Hosted and Python .

Top Flask Alternatives

FastAPI

A modern, fast and highly-performant web framework written in Python. With FastAPI developers can quickly build APIs with performance on par with Node.js and Go thanks to Starlette and Pydantic.

Free & Open Source
👍 Most people think FastAPI is a good alternative to Flask.

Django

Django is a high-level Python web development framework used for building web application at scale with speed. The framework adhere to a clean and pragmatic design that lets developers develop rapidly. Django ships as a "batteries included" framework and contains many of the features needed for most web applications such as an admin panel, an ORM and templating language. It takes much of the hassle out of web development and lets developers focus on writing their application instead of focusing on authentication, authorization and security.

Free & Open Source
👍 Most people think Django is a good alternative to Flask.

Bottle

Bottle is a fast, simple and lightweight WSGI micro web-framework for Python. The framework can be used to create lean web applications with Python 2.7 and 3.x. Bottle is distributed as a single file module with no additional dependencies which makes it really easy to get started and later in the development-stage to manage.

Free & Open Source
👍 Most people think Bottle is a good alternative to Flask.

The software Express.js Express.js is removed from the Top Flask Alternatives since you are comparing against it. If you are looking for more software, applications or projects similar to Flask Flask we recommend you to check out our full list containing 15 Flask Alternatives.

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