Top 14 Python Frameworks Used for Top-Notch Web Development in 2021

Top 14 Python Frameworks Used for Top-Notch Web Development in 2021

Python is an elite in the field of high-end programming languages used when it comes to web development. This high-level programming language with built-in data structures and easy to learn syntax has made this language the most sought-after choice of any developer working on up-to-date apps and websites.

Undeniably, the python framework is the most potent abstraction employed to develop some robust and highly responsive ecosystems that are available at user’s fingertips to give them a personalized experience with the help of AI, AR, VR, and ML.

What is Python?

Python is an interpreted, high-level programming language that emphasizes code readability to construct some top-notch websites, apps, and software. The language constructs and the object-oriented approach of Python make this language versatile enough for IT developers to present clear and logical coding resulting in some best low and high scale masterpieces.    

Python is a foremost delegate for general-purpose coding which means it has high-level built-in data structures that support scripting for web app development, infrastructure management, data sciences, and system scripting as well.

Python is entitled as the ‘glue language’ which helps to integrate the other components of the software so the ecosystem works well.   

What is a Python Framework?

A python based web framework is a full-stack combination of data structures, UI libraries, plugins, and modules that allows the developers to come up with some robust websites or web apps that have integrated technology like AI and ML.

Python tops the list of Top 10 Programming Languages (in terms of popularity)

The graph below statistically represents the popularity of the top 10 programming languages based on Google search and viewed tutorials. Python tops the list with 29.9% of viewers searching for information and tutorials, preceded by JAVA (19.1%) and JS (8.2%). (source: Statista)

Python Top Programming Languages

Key Benefits of Python Framework 

-> Easy to learn syntax

-> Cost-effective websites and web apps can be built using Python Framework.

-> You can get open-source python frameworks for web development. Stay tuned to know some best Python Frameworks in 2021.

-> Easy development, testing, debugging, and maintenance. You can opt for Python Frameworks if you wish to reduce your time to market the website, app, software, or web app.

-> It is a glue language connecting the other components of the software.

-> Amalgamates with other languages like JS. for Eg. pyjs (used to make rich internet applications for web and desktop use).

-> The language is easy to learn and implement.

-> A sedate yet efficient and versatile coding for professional output.

-> Keeps on evolving and is a go-to technology when it comes to interactive and dynamic web apps.

Top 15 Python Frameworks for Web Development in 2021

Below is the list of the 15 best open source python frameworks that can be used for building some high-end masterpieces to pace with the trends of 2021:

GrokTurboGearsBottleTwisted Beautiful Soup
TornadoBlue BreamQuixoteKeras

1. Django

The python-based open-source framework responsible for some robust and dynamic apps, websites, and web apps. The framework is behind the making of popular web apps like Reddit, Insta, Spotify, Pinterest, etc. 

Narrowing down our search to the top 5 Python Web Development Frameworks, Django still tops the list.


-> Free open-source network.

-> Object-oriented programming that gives ultimate data storage, security, and backup.

-> High-end features to build some best standalone web apps.

-> Large libraries, components, and modules.

-> In-built authentication

-> Supports cache mechanisms.

-> Perfect documentation

-> You can hire an automatic admin interface feature instead of making one from scratch. It includes editing, adding, deducting, and optimization of data.

-> Versatile in nature – the framework creates the best base for any application or web app with the scope to integrate technology.

-> Rapid development.   

2. CherryPy

One of the oldest yet efficient in the league, CherryPie is the most stable yet quick framework that gives you the flexibility to use any technology for large data access and pattern-wise organization.


-> Can be used with other frameworks that support python

-> It has an object-oriented paradigm.

-> HTTP/1.1 compliant and WSGI thread-pooled webserver.

-> Compatible with Python 2.7+, 3.5+, PyPy, Jython, and Android.

-> Flexible plugin system.

-> A robust configuration system facilitating developers and deployers.

-> Built-in development, coverage, and testing support.

-> Highly customizable.

-> One of the most flexible open-source frameworks that are confident enough for commercial-level software.

-> The framework is capable of handling sessions, uploads statics, cookies, etc. 

3. Flask

The utility comes under a BSD license – inspired by the Sinatra Ruby Framework. This python-based framework is highly impressive and leads to the development of some highly responsive web applications due to its small and easy-to-extend core.


-> Robust open-source Python Framework for web application development.

-> Built-in development, deployment, and debugger.

-> Encoding for secure cookies.

-> Easy, light, and modular design with larger scope for web app customization and feature integration.

-> Supports HTTP (URL) request processing and JInja2 templating.

-> Features object-relational mapping.

-> Best compliance with WSGI 1.0

-> Efficient for both client-side and server-side scripting.

-> Helps in smooth development and promotes code reuse.          

4. Pyramid

Pyramid (web framework) is reaching heights in terms of popularity. As it is a flexible approach it is extensively trusted by the developers in the making of custom web apps. The framework is embraced by corporate giants like Mozilla, Yelp, and Firefox.


-> Used to make web apps with a minimalist approach

-> Highly flexible with small, medium, or large projects (easy to complex mechanism).

-> HTML structure generation and validation

-> URL mapping done

-> High-end documentation coverage.

-> Variety of templating, database, and security solutions.

-> Extension facilities, reusable codes, and highly customizable core-code structure.

-> Designing to develop and debugging is possible. 

5. Web2Py

Helps web developers to create, modify, debug, deploy and manage web apps via a browser. The framework can be used to build high-end cross-platform apps that easily are operated on Windows, Unix/Linux, Google App Engine, etc.  


-> An open-source framework for secure and database-driven web apps.

-> Manage HTTP requests to responses, cookies, and sessions.

-> Developers can work with rational and NoSQL databases to develop high-end data-driven applications.

-> Comes with useful batteries that are potent for making efficient web apps without the need for external tools and services.

-> No installation and configuration requirements.

-> Ability to run on multiple OS.

-> Supports settlement over configuration resulting in fast and easy web development.

-> Follows MVC architectural pattern (Model-View-Controller).

-> Integration of Web-based IDE to facilitate processes such as code editor, compiler, debugger, and GUI builder.

-> Helps in building highly successful apps by addressing security threats and issues.     

6. Grok

Grok inspired by Zope toolkit technology (advanced object-oriented set of libraries) is a web app framework that is easy yet efficient and emphasizes agile development.


-> Convention over configuration paradigm to prevent developers from losing their flexibility while coding.

-> Supports DRY – Don’t repeat yourself – the principle aimed at reducing the repetition of the software patterns eventually avoiding redundancy.

-> A stronger base that leads to highly scalable and extensive web applications.

-> Grok’s robust architecture helps developers predict the development of web apps.

-> Presents building blocks and other crucial assets to develop custom web apps.

-> Developers can now access the advantages of Zope 3.

-> Supports high-end storage.

-> Can be used by both beginners and experienced Python Developers.

-> Easy yet powerful framework.   

7. TurboGears

Made with the intention to eliminate the flaws in many web and mobile app development frameworks, it is a full-stack Python framework that provides a powerful base for developers to start building their web apps.


-> An Open-source framework supporting Python Web Development that also supports the integration of JS development tools as needed.

-> Multi-database support

-> MochiKit JS library integration.

-> Follows MVC architectural pattern and paste script templates.

-> Has Object Rational Mapper (ORM) and AJAX for programming and server.

-> Toscawidegets for building reusable UI components with ease.

-> Easy deployment of complex widgets to develop some powerful interactive and appealing websites.

8. Bottle

The Python-based framework that supports the quick development of small-scale web apps. Initially introduced to make web APIs, it is now supporting web development as well. In fact, it is considered a lightweight, fast and simple framework for web development.


-> It is independent of Python Standard Library

-> It is a WSGI-supported micro-web framework.

-> Developers get the opportunity to not only develop the apps but also learn Python language and prototyping.

-> Routes for URL mapping. worked in HTTP server and backing for glue, fapws3, flup, and other WSGI compliant HTTP servers.

-> Optimized and high-performing framework for the robust and feature-rich interface.

-> Runs with Python 2.7 and 3x.

-> Offers URL routes, templates, a built-in web server, and adapters.

9. Twisted

An event-driven open-source networking engine based on Python language. The utility is used to build some real-time web apps showing custom results to the users (giving them a personalized experience)


-> Easy to implement custom network applications.

-> Open-source network under MIT license

-> Supports both client and server-side coding

-> Support for popular network protocols like HTTP and SMTP

-> Supports GUI frameworks.

-> Integrate a web server, mail server, and IRC without configuration.  

10. Beautiful Soup

It is a python-based library to pull data from HTML and XML files. It makes it easier for web developers to scrape information from web pages. It provides Pythonic Idioms for searching and modifying the parse tree (python syntax tree).


-> Helps in locating content that is buried under HTML structure.

-> Not specifically for web development but it supports data processing and web scrap[ping.

-> get() features help you fetch any web page you need.

-> find() helps the developer to search for any data from the web.

11. Tornado

A Python-based web framework that uses non-blocking frameworks I/O and C10k issues to cope with 10,000+ simultaneous connections at the same time.


-> Implementation of genuine 3rd party schemes.

-> Integrated with a standard library.

-> Client and server-side implementation of HTTP

-> Offers a coroutine library that allows asynchronous code to be written in a simpler way.

-> It is a full-stack substitute for WSGI 

12. Blue Bream

Open source Python-based web app framework, Blue Bream has large libraries and servers for website and web app developers. A product by the Zope team, it was formerly known as Zope 3. The framework can be used to build small to medium and large-scale apps with well-labeled sections.


-> Functional testing frameworks.

-> Robust plugins and security approaches.

-> ZCA aka Zope Component Architecture executes separation of concerns to develop strong reusable components.

-> WSGI compliant

-> Automatically generating forms

-> Generic mechanism for pluggable security policies.

13. Quixote

A robust Python-based framework for developing some efficient and high-performing web apps that are also adaptive in nature. This python framework for web development is built in traditional technology, so if a developer wishes to work with the authentic Python programming language then Quixote is highly recommended for them.


-> Simple yet versatile design with sessions of API management.

-> Powerful and flexible framework.

-> Quixote comes in three versions – Quixote 1, 2, and 3.

-> Quixotes 1 and 2 seem to be similar but are incompatible with each other.

-> Quixote 3 is based on Python 3.

-> Supports Apache’s mod_python.

-> Compatible with any web server that supports CGI (Computer Generated Imagery) and FastCGI.

-> Python-supported HTML templates for easy coding.

-> Uses real programming language.

14. Keras

Designed and developed using Python language, Keras is an open-source software library that supports artificial neural networks using TensorFlow, Microsoft CNTK, or Theano in its backend.


-> The open-source API uses Theano or TensorFlow for its backend.

-> Supports deep learning with the implementation of deep Neural Networks.

-> Supports integration of ML (Machine Learning).

-> Includes extensive documentation and developers guide.

-> Reduces cognitive load and helps developers to seamlessly build the web app.

-> It offers simple and stable APIs.

-> Numerous layers and parameters implemented in the API.

-> Pre-labeled datasets.


Web development is the demand of this digital era and that too with the implementation of advanced technology. Aforesaid are the popular and robust Python frameworks for web development that creates a powerful base for coding and further is versatile and flexible for business-oriented customization. These are free open-source frameworks for full-stack web app development with less time to market benefit. 

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4 thoughts on “Top 14 Python Frameworks Used for Top-Notch Web Development in 2021

  1. Ayushi Patel

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