Flask is a lightweight and flexible Python web framework designed to simplify the process of building web applications. It is characterized by its minimalist core, which provides essential tools and functionalities necessary for developing web applications but leaves plenty of room for extensibility. As a microframework, Flask emphasizes simplicity and ease of use, allowing developers to choose their components, such as ORMs or form libraries, and integrate them easily. Flask excels in supporting rapid development due to its built-in development server and debugger, Jinja2 templating engine, and extensive documentation. It is ideal for small to medium-sized applications and prototyping new ideas, given its minimal complexity and configuration. Flask's design is guided by best practices and patterns from the Python ecosystem, making it a popular choice among developers seeking to create RESTful services, APIs, and web applications without the overhead of more feature-rich frameworks.
View the most prominent open source Flask projects in the list below. Click on a specific project to view its alternative or complementary packages. Make comparisons and find the best package for your app.
- Apache Superset is a Data Visualization and Data Exploration Platform☆75,185Updated this week
- The Python micro framework for building web applications.☆74,920Oct 7, 2026Updated last week
- The 30 Days of Python programming challenge is a step-by-step guide to learn the Python programming language in 30 days. This challenge m…☆76,439Sep 30, 2026Updated 2 weeks ago
- Data Apps & Dashboards for Python. No JavaScript Required.☆24,455Updated this week
- A curated list of awesome Flask resources and plugins☆12,786Aug 17, 2026Updated 2 months ago
- a small, expressive orm -- supports postgresql, mysql, sqlite, now with asyncio☆11,994Oct 7, 2026Updated last week
- Serverless Python☆11,813Mar 23, 2023Updated 3 years ago
- A self-hosted, ad-free, privacy-respecting metasearch engine☆11,566Aug 14, 2026Updated 2 months ago
- People tracker on the Internet: OSINT analysis and research tool by Jose Pino☆9,054Jun 20, 2024Updated 2 years ago
- 该项目可以让你通过订阅的方式使用Cloudflare WARP+，自动获取流量。This project enables you to use Cloudflare WARP+ through subscription, automatically acquiring tr…☆8,818Sep 4, 2024Updated 2 years ago
- Companion code to my O'Reilly book "Flask Web Development", second edition.☆8,739Apr 6, 2025Updated last year
- A simple Blockchain in Python☆8,040Jul 21, 2024Updated 2 years ago
- A pixel office for your OpenClaw: turn invisible work states into a cozy little space with characters, daily notes, and guest agents. Cod…☆7,523Mar 11, 2026Updated 7 months ago
- The SimpleLogin back-end and web app☆7,059Updated this week
- Preview GitHub README.md files locally before committing them.☆6,842Jul 10, 2024Updated 2 years ago
- REST API framework designed for human beings☆6,747Mar 24, 2026Updated 6 months ago
- CTFs as you need them☆6,880Updated this week
- An Efficient ProxyPool with Getter, Tester and Server☆6,258Jul 4, 2026Updated 3 months ago
- A Low-Code MCP Framework for Building Complex and Innovative RAG Pipelines☆5,728Updated this week
- Socket.IO integration for Flask applications.☆5,506Oct 8, 2026Updated last week
- Red Ink - A one-stop Xiaohongshu image-and-text generator based on the 🍌Nano Banana Pro🍌, "One Sentence, One Image: Generate Xiaohongsh…☆5,636Jun 30, 2026Updated 3 months ago
- 基于Dineshkarthik的项目， 电报视频下载，电报资源下载，跨平台，支持web查看下载进度 ，支持bot下发指令下载，支持下载已经加入的私有群但是限制下载的资源， telegram media download,Download media files from a…☆5,606Mar 4, 2026Updated 7 months ago
- The ultimate Python library in building OAuth, OpenID Connect clients and servers. JWS, JWE, JWK, JWA, JWT included.☆5,434Updated this week
- Visualizer for pandas data structures☆5,230Jul 24, 2026Updated 2 months ago
- Simple and rapid application development framework, built on top of Flask. includes detailed security, auto CRUD generation for your mode…☆4,962Oct 8, 2026Updated last week
- Dependency injection framework for Python☆4,917Oct 1, 2026Updated 2 weeks ago
- The microblogging application developed in my Flask Mega-Tutorial series. This version maps to the 2024 Edition of the tutorial.☆4,777Apr 6, 2025Updated last year
- A flask template with Bootstrap, asset bundling+minification with webpack, starter templates, and registration/authentication. For use wi…☆4,725Dec 2, 2025Updated 10 months ago
- Like Vercel, but open source and for all languages.☆4,767Mar 3, 2026Updated 7 months ago
- Nginx UI allows you to access and modify the nginx configurations files without cli.☆4,461May 26, 2024Updated 2 years ago
- In this repository, I will share some useful notes and references about deploying deep learning-based models in production.☆4,379Nov 9, 2024Updated last year
- Adds SQLAlchemy support to Flask☆4,304May 18, 2026Updated 4 months ago
- Configuration Management for Python ⚙☆4,334Oct 1, 2026Updated 2 weeks ago
- Web-based SQLite database browser written in Python☆4,172Updated this week
- A web interface for managing docker containers with an emphasis on templating to provide 1 click deployments. Think of it like a decentra…☆3,875Oct 1, 2026Updated 2 weeks ago
- Easy OpenAPI specs and Swagger UI for your Flask API☆3,743Jun 17, 2024Updated 2 years ago
- Serverless Python☆3,698Oct 8, 2026Updated last week
- An async Python micro framework for building web applications.☆3,672Sep 12, 2026Updated last month
- A familiar HTTP Service Framework for Python.☆3,617Aug 1, 2026Updated 2 months ago
- Every web site provides APIs.☆3,556Aug 27, 2026Updated last month