Top Ten Python Libraries for 2021-2022 (Based on Recent Stats)

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Python is a widely-used programming language with several libraries. Python libraries are used for various reasons, allowing Python developers to create more significant web applications in less time.

Do You Know?

Python is utilized by 44.1 percent of developers and is one of the developers’ most popular programming languages.

Python is one of the greater demand programming languages on Google, according to Statista, with 29.9 percent of people searching for it. As a result of examining the statistics above, you must be wondering:

Why is Python so well-liked?

Python Has a Strong Community: Python was first launched in 1990, its community support is greater. It has skilled developers who can answer other developers’ questions about Python libraries.

Python is a well-known data science language; it is also used for machine learning, AI systems, and several other contemporary technologies.

Sets of rich library materials: Libraries can help you save time on development. Python has an excellent library collection that can help you complete the project on time.

Python is a straightforward language to learn for a technical individual. Its streamlined grammar, combined with natural language, eases the learning process.

Wide Scalability: With this technology, you may manage jobs of varied sizes. It is compatible with a wide range of programming paradigms, including functional and object-oriented paradigms. Python allows developers to use code functions fast and build applications on a large scale.

Python is a very legible programming language that is akin to the English language. The language’s writing process is relatively simple, which is why it is popular among developers. Debugging techniques and code reviews enable engineers to tackle issues in less time.

Several Python libraries are available, but just a few are the finest, and they are typically utilized for software and web app development. This article will highlight the top Python libraries that you should be aware of if you are aiming to create cutting-edge software for your startup, SME, or large corporation.

Ten Popular Python Libraries to Know in 2021-22

Let’s take a look at some of the most well-known Python libraries for developing sophisticated software, web, and mobile applications. Python developers commonly use the libraries mentioned below to offer the most significant projects.


This Python library is a computational library that can be used to create new algorithms, including tensor operations. Google created a TensorFlow library in collaboration with Brain Team. With this framework created with TensorFlow, neural networks may be readily described as computational graphs.

The Best Features of TensorFlow

  • Its usability can be customized.
  • It is easy to train on both the CPU and the GPU.
  • It can train several neural networks and GPUs.

Best – known Apps Using TensorFlow

  • Google Photos
  • Google Voice Search


Because it works effectively with complex data, this is one of the best Python modules. Scikit-Learn, in combination with NumPy and SciPy, enables the application of a variety of metrics. This library needs a few improvements in logistics regression and nearest neighbors.

Scikit-Learn Advantages

  • Supports several ways for evaluating the effectiveness of supervised models on unknown data.
  • Contain a diverse set of algorithms (from clustering, factor analysis, principal component analysis, and unsupervised neural networks).
  • This program is handy for extracting information from photos and text.

Spotify and Inria are some of the most well-known apps that use Scikit-Learn.


Numpy is widely recognized as one of Python’s most popular machine learning packages. Numpy is used internally by TensorFlow and other libraries to perform different operations on Tensors. Numpy’s most significant feature is its array interface.

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Characteristics of a Numpy

  • It is straightforward to use.
  • It has random number generators in it.
  • It makes coding easier.


Keras is a straightforward method for describing neural networks. This library includes some of the greatest services for graph visualization, model compilation, data-set processing, and other tasks. Keras may also use a few well-known neural networks, such as CNTK. In comparison to other Python libraries, it is sluggish.

Characteristics of Keras

  • It is effective on both the CPU and the GPU.
  • It supports almost all neural network models.
  • It is very expressive, versatile, and well-suited to exploratory research.

The Most Well-known Apps That Use Keras 



PyTorch offers vibrant APIs for dealing with neural network-related application challenges. This Python library enables developers to implement tensor computations with GPU acceleration, construct dynamic computational networks, and compute gradients automatically.

The Benefits of PyTorch

  • It enables versatility while in eager mode.
  • By employing native support, it enhances performance in both research and production.
  • It works with other libraries and packages such as Cython and Numba.

Apple and Samsung Electronics Co., Ltd. are some of the most well-known companies that use PyTorch.

Requests Library

In practice, the requests library is used in Python to create HTTP requests. It eliminates the complexities of making requests and provides simple APIs, letting you focus on your application’s interaction with services and data consumption.

Characteristics of the Requests Library

  • Modify request headers, authentication, query strings, and other factors to make them unique.
  • Examine the information sent to a server.
  • Use HTTP methods such as GET, POST, and PUT to make requests.
  • Its automatic decompression feature allows you to swiftly recover and restore compressed data to its original state.


Gradient Boosting is the most popular and well-known machine learning framework, inviting developers to build special algorithms based on basic concepts such as decision trees.

LightGBM, XGBoost, and CatBoost are special libraries designed for this method’s quick and easy implementation. These libraries are opponents that aid in the determination of a common problem and may be used interchangeably.

It is difficult to manage Python-related projects since it requires knowledge to fix problems and other issues; consequently, hire Python developers if you want to build an application. This will help you create excellent apps while also giving you a hassle-free development strategy.

Advantages of LightGBM

  • A high manufacturing yield is ensured by extremely active computation.
  • Automatic and easy to use.
  • Not generates an error when NaN or other canonical values are considered.


Theano is a Python module that is part of a computational framework for measuring multidimensional arrays. Theano works in the same way as TensorFlow does. It is, however, not as significant. This library is suitable for usage in both shared and parallel environments.

The Benefits of Theano

  • NumPy arrays may be utilized in Theano-compiled functions fully.
  • It can do data-intensive processes quicker than a CPU.
  • Recognize and diagnose a wide range of errors and uncertainty.

Best known Companies That Use Theano

  • Vuclip
  • Zetaops


This is a well-known Python library that provides high-level data structures as well as quality tools for evaluation. It can do complex data manipulations with only one or two commands. The library includes several functions and built-in techniques for data grouping, merging, and filtering.

Panda Characteristics

It gives a simple approach for manipulating data.

There is support for iteration, re-indexing, aggregations, sorting, visualizations, and concatenations.

The Most Well-known Apps That Use Pandas

  • Spotify
  • Netflix


It is the most widely used open-source Python library for scientific and technical calculations. SciPy modules provide linear algebra, optimization, integration, addition, specialized functions, FFT, signal and image processing, ODE solvers, and other activities.

Characteristics of Scipy

  • Uses Numpy arrays to their maximum capabilities to generate generic data structures.
  • Scipy can handle 1-d polynomials in two ways: the Numpy poly1d class or co-efficient arrays.
  • It is also compatible with NumPy.lib.scimath.

You may now choose any of the greatest Python libraries from the list above to develop exceptional software and apps.


The FastAPI framework is a modern, fast (high-performance), and easy-to-use web API builder for developing production-ready APIs in Python employing best practices. The framework enhances the developer experience, allowing them to write easy code with no problems or inconveniences.

Advantages of FastAPI

  • It outperforms NodeJS and Go in terms of performance.
  • The learning curve is short, and there are 40% fewer human errors.
  • 200 to 300 percent faster code to develop features

The Most Well-known Apps That Use FastAPI

  • Netflix
  • Uber
  • Microsoft