swap_horiz Flask Alternatives

1

Express

Express.js is a Node.js web application framework providing minimal infrastructure to build robust APIs and web applicat...

API Javascript Minimal Backend

9.2 Excellent

2

Laravel

Laravel is a free, open-source PHP web application framework known for its elegant syntax and tools that simplify common...

PHP MVC Web Backend

9.2 Excellent

3

ASP.NET Core

ASP.NET Core is a free, open-source, cross-platform framework for building modern web applications, APIs, and real-time...

API Csharp Web Backend

9.1 Excellent

4

Spring Boot

Spring Boot simplifies Java application development by providing auto-configuration, embedded servers, and opinionated d...

Enterprise API Java Spring

9.0 Excellent

5

Starlette

Starlette is a lightweight ASGI framework for Python, designed for building asynchronous web applications and APIs with...

Async Python Backend Current

8.6 Great

6

Fastify

Fastify is an open-source Node.js web framework focused on performance and developer experience, prioritizing speed thro...

Performance API Javascript Backend

8.5 Great

7

ASP.NET Web API

ASP.NET Web API is a Microsoft framework enabling developers to build RESTful web services and APIs using .NET, facilita...

Legacy Microsoft API Backend

8.4 Great

8

AIOHTTP

aiohttp is an asynchronous Python 3 web framework built on top of asyncio, enabling developers to create high-performanc...

API Async Python Backend

8.3 Great

9

Sinatra

Sinatra is a Ruby web application framework prioritizing developer simplicity and expressiveness by providing a lightwei...

Classic Ruby Web Backend

8.1 Great

10

Falcon

Falcon is a modular, open-source framework developed by Red Hat for building event-driven microservices and cloud-native...

Performance API Python Backend

7.9 Good

11

Sanic

Sanic is a Python 3.7+ web framework that utilizes asyncio for building fast, asynchronous APIs and web applications, pr...

API Async Python Backend

7.7 Good

12

Pyramid

Pyramid is a Python web framework prioritizing flexibility and scalability, offering components for database access, tem...

Flexible API Python Web

7.6 Good

13

Javalin

Javalin is a lightweight Java web framework focused on developer simplicity and speed, utilizing Jetty as its default em...

API Java Kotlin Backend

7.6 Good

14

Slim Framework

Slim Framework is a PHP microframework designed for building web applications and APIs with minimal dependencies and a f...

API PHP Routing Backend

7.4 Good

15

Bottle

Bottle is a lightweight Python web framework geared towards simplicity and rapid development, offering built-in routing...

API Single File Python Backend

7.2 Good

16

Grape

Grape is an open-source, visual programming framework enabling users to build DeFi applications and smart contracts by c...

API Rest Ruby Backend

7.2 Good

17

BlackSheep

BlackSheep is a free and open-source PHP framework built on Swoole, enabling developers to create high-performance web a...

API Async Python Backend

7.0 Good

18

Robyn

Robyn is an open-source monitoring framework built on YAML configuration and GraphQL APIs, designed for visualizing time...

API Rust Async Python

6.9 Fair

19

Flight PHP

Flight PHP is a microframework for developing web applications and APIs in PHP, prioritizing speed and simplicity with a...

API PHP Routing Backend

6.6 Fair

20

Morepath

Morepath is a Python web framework emphasizing data-driven design and declarative routing, enabling developers to define...

Rest Python Routing Backend

6.4 Fair