Top Tools / February 23, 2023

The world's biggest online directory of resources and tools for startups and the most upvoted product on ProductHunt History.

Top 17 Python Library Tools

Python library tools are a collection of code snippets that developers can utlilise to create different programs.

These tools faciliate faster and effective software development by reusing the already available code. Companies use Python library tools for quicker and easier development process.

This top tools article discusses top Python library utilities that programmers should be familiar with and regularly utilize while working with this fantastic language.

1. Pandas

Pandas is a Python machine-learning package that offers high-level data structures and a number of analytical tools. The ability to translate complicated operations with data using one or two commands is one of this library's best features. With consideration to grouping, combining, and filtering data, as well as time-series functionality, Pandas has a large number of built-in approaches.

Pandas provides a more straightforward approach to data handling overall. A few of Pandas' characteristic highlights include support for operations, including re-indexing, iteration, sorting, aggregates, concatenations, and visualizations.

There aren't many versions of the pandas' library, but they come with hundreds of new additions, improvements, and API modifications.

Key Features:

  • Re-indexing

  • Iteration

  • Sorting

  • Aggregations

  • Concatenations

  • Visualizations

2. SciPy

SciPy is a machine learning package for programmers and engineers. The SciPy library has integration, statistics, linear algebra, and optimization modules.

Additionally, utilizing its particular submodules, SciPy offers all the effective numerical techniques like optimization, numerical integration, and many others. The documentation for every function in every SciPy submodule is thorough.

NumPy is a library that SciPy uses to solve mathematical problems. The fundamental data structure in SciPy is a NumPy array, and it includes modules for several frequently performed activities in scientific programming.

Key Features:

  • Optimization

  • Numerical Integration

3. PyTorch

PyTorch is the most popular machine learning package, allowing developers to do tensor calculations with GPU acceleration, generate dynamic computational networks, and automatically compute gradients. In addition, PyTorch provides comprehensive APIs for resolving neural network-related application problems.

Based on Torch, an open-source machine learning library created in C with a Lua wrapper, this machine learning library was created.

Since its initial release in 2017, this Python machine-learning library has gained popularity and attracted more machine-learning experts. PyTorch is mostly used in industries like processing natural language.

Key Features:

  • Dynamic graph computation

  • Python support

  • Modules are the foundational units of stateful computing and represent neural networks.

4. TensorFlow

TensorFlow functions as a computational library for building novel algorithms that include many tensor operations. Because neural networks can be simply described as computational graphs, they may be implemented as a sequence of Tensor operations using TensorFlow.

TensorFlow is a well-known open-source library that you may be familiar with if you are presently working on a machine learning project in Python. To construct this library, Google and Brain Team collaborated. Nearly all Google machine learning applications use TensorFlow.

You unknowingly utilize TensorFlow daily with applications like Google Photos and Voice Search.

Key Features:

  • Greatly simplifies multi-dimensional array-based mathematical formulas.

  • Deep learning and machine learning ideas are well supported.

  • Using the same code to run on both architectures, GPU/CPU computing.

  • Massive data collection and high computational scalability.

5. Numpy

Numpy is recognized as one of the most widely used machine learning libraries in Python. With this interface, binary raw streams of pictures, sounds, and other data types may be expressed as an array of real numbers in an N-dimensional space.

When using this machine learning library, full-stack developers must be familiar with Numpy. The high-performance multidimensional objects known as arrays and the tools for interacting with them are provided by this general-purpose array processing program. NumPy substantially resolves the slowness issue by providing these multidimensional arrays as well as operations and functions that operate well on these arrays.

Key Features:

  • Provides quick, precompiled functions for numerical tasks

  • Computing with arrays for more efficiency

  • Embraces an object-oriented strategy

  • Allows for smaller, quicker computations.

6. Keras

Keras is a Python-based deep-learning API. The program is utilized to build deep neural networks and support different back-end neural network operations. The program is user-friendly, adaptable, and easily extendable. It can easily run on top of TensorFlow, CNTK, Theano, Microsoft Cognitive Toolkit, and PlaidML, as it is built in Python and is compatible with that language.

The fact that it is open-source also encourages contributors to make more improvements, which makes building neural networks even simpler.

In order to make it simple for you to troubleshoot your code, it also generates informative and actionable error messages. To make the implementation of deep learning models as simple as possible, the language was first designed.

Key Features:

  • A high-level interface called Keras uses Theano or Tensorflow as its backend.

  • Both the CPU and GPU operate without any issues.

  • Virtually all neural network models are supported by Keras.

7. Scikit-learn

Scikit-Learn is a popular open-source Python machine-learning library. Classification, analysis, grouping, and data preprocessing are just a few of the statistical modeling and machine learning algorithms available in the library.

Additionally, to enhance performance, several of its primary algorithms are built in Cython. The library implements ML, visualization, pre-processing, and cross-validation algorithms using a single and consistent Python interface aside from that.

The acceleration of object classification, help with continuous-valued attribute prediction and regression, clustering of support-vector machines, gradient boosting, and other advantages of this library are only a few of its additional advantages.

Key Features:

  • Figuring out what classification a given thing falls under.

  • Predicting an object-related continuous-valued property.

  • Automatic set creation from comparable items.

8. Jupyter Notebook

Jupyter Notebook is a well-known and free online application. You may use this tool to promote interactive development, exchange documents with live code, and produce infographics. Additionally, it offers the option to include notes with your programs and employs a console-based method for document editing.

For various difficult jobs, data scientists and machine learning experts like this tool. This is due to the fact that Jupyter makes it simpler to write and run your code, only requiring you to run one cell rather than the full program to test it.

Key Features:

  • It is easy and fundamental.

  • Without a server or browser, it can function.

  • Only Anaconda installation is necessary.

  • It also has an internal debugger.

9. Pip Package

Pip is quite similar to other languages' package managers, such as JavaScript's npm, Ruby's gem, and the.NET platform's NuGet.

You might wish to go further into areas like data science, artificial intelligence, or data analysis after you have a firm grasp of the Python programming language. You should install some more packages in such circumstances.

Key Features:

  • Allows developers to easily install other packages that are not a part of the standard Python package.

  • Facilitates in installing dependencies with various packages.

10. Selenium

Selenium also belongs to the list of top Python Library tools. It is a Python-based agile testing tool and open-source automation platform for web applications. With the help of this tool, test scripts may be written in various computer languages, including Java, C#, PHP, and others.

It enables testing across various browsers on platforms like Windows, macOS, and Linux. Additionally, the tool is useful for manual, automated, and cross-browser testing for web applications built using Python.

One may combine it with tools like JUnit and TestNG to handle test cases and results. You may change automated testing into manual function tests as necessary.

Key Features:

  • Multiple Language Support

  • In order to automate web app testing, WebDriver is a particular Selenium component.

  • The handling of dynamic web components by Selenium is simple.

11. Scrapy

Scrapy is a Python framework commonly used for online scraping and various other applications, such as automated testing and data mining.

Although Scrapy was first created for online scraping, it has now changed to serve various needs. The library provides a quick and high-level way for web page crawling and structured data extraction.

Scrapy, a Python program, is based on spiders, which are essentially autonomous crawlers and are given a set of instructions. Scrapy makes it simpler to design and grow whole web crawling applications by adhering to the DRY principle.

Key Features:

  • Web crawling framework Scrapy is open source and cost-free to use.

  • Scrapy creates feed outputs in XML, CSV, and JSON formats.

  • Using XPath or CSS expressions, Scrapy provides built-in support for choosing and extracting data from sources.

12. Sublime Text

Sublime Text is a simple text editor for writing clean Python code. This program is quick and multilingual. Additionally, the editor enables plugins, which you may utilize to expand its functionalities.

The syntax definition engine and extremely context-aware auto-completion functionality are its main draws. Additionally, it has substantial Python API documentation and is beginner-friendly.

Multi-tab selection, rapid access to lines, files, and symbols, simultaneous editing, command palette, project-specific options, and comprehensive customizability are some other functions.

Key Features:

  • It has several features, including split editing, a command palette, multiple selections, an API for plugins, and many more.

  • Sublime Text is a straightforward text editor with a Notepad-like approach.

13. Thonny

Thonny is an easy-to-use integrated programming environment for Python intended for novices. A straightforward built-in debugger, a variable explorer, a built-in Python shell (Python 3.7), an editor that flags syntax problems, and an auto code completion function are some of Thonny's standout features.

You can also install third-party packages with its straightforward and tidy pip GUI.

Thonny IDE also offers the ability to evaluate expressions, display function calls in their window, and indicate syntax problems. To enable bracket matching, it may also check the code.

Key Features:

  • Without breakpoints, statement stepping.

  • Live variables are used for debugging.

  • Evaluating the phrases step by step.

  • Distinct windows for calling functions.

14. Matplotlib

Matplotlib is an open-source Python library frequently promoted as a viable alternative to the commercial product MATLAB. To construct graphs and plots, the SciPy extension Matplotlib was developed for data visualization.

Only 2D charting is possible with Matplotlib, which is a limitation. Although this is the case, this library is nonetheless quite capable of creating publish-ready data visualizations in the form of plots, charts, scatter plots, plots, histograms, error charts, and of course, bar charts.

Many novices opt to work with Matplotlib when beginning with data visualization because it is straightforward and understandable. As a result of their extensive familiarity with various data visualization tools, many developers like it.

Key Features:

  • Produce plots fit for publishing.

  • Create dynamic charts that can zoom, pan, and update.

  • Visual style and layout can be changed.

  • Export to a variety of file types.

  • Use graphical user interfaces and JupyterLab to embed.

15. Bokeh

Bokeh is an interactive visualization framework for the Python programming language that enables the stunning and insightful display of data inside of modern web browsers. The development of dashboards, data apps, and interactive plots is made simpler by the data visualization library.

The Bokeh library expands its capacity with high-performance interaction across streaming or extremely big datasets and provides succinct and beautiful development of adaptable visuals.

Key Features:

  • Bokeh may be used for both bespoke and complicated use-cases as well as for standard plotting requirements.

  • It produces dynamic interactive charts that adapt to user input.

  • Visual data may be shared. They may be produced in Jupyter notebooks as well.

  • An open-source project is Bokeh.

16. OpenCV

OpenCV is an excellent resource for real-time computer vision projects since it is a Python library with various functions. This extremely effective library can handle a variety of visual inputs from both video and picture data. Handwriting, objects, and faces can all be recognized using OpenCV.

Since it is a Python library, OpenCV has a wide range of features that make it an excellent tool for computer vision programs that run in real time. This extremely effective library can handle a variety of visual inputs from both video and picture data. In addition to objects, OpenCV can recognize faces and handwriting.

Key Features:

  • View and annotate pictures.

  • Video recording and saving.

  • processing photos (filter, transform)

  • Make a feature detection.

  • Find particular items in the movies or pictures, such as faces, eyes, or automobiles.

17. Seaborn

Seaborn is a Python package designed for charting and data visualization, much like Matplotlib. In actuality, Seaborn is an open-source library that was built on Matplotlib. However, it also incorporates elements of Pandas' intricate data structures. Users of Seaborn may build statistics graphs that are accurate and educational because of the high-level interface's wealth of capabilities.

This library produces some of the best-looking data visualizations, which is why it is ideal for marketing and publishing applications, according to many developers and Seaborn users.

Users appreciate Seaborn for saving time by generating these charts and graphs using straightforward commands and little coding.

Key Features:

  • Themes that are already built in for matplotlib style.

  • Bivariate and univariate data visualization.

  • Integrating and displaying linear regression models

  • Statistics time series data plotting.

  • With NumPy and Pandas data structures, Seaborn functions well.

Things to Consider While Selecting Python Libarary Tools

When selecting among the top Python libraries, take into account the following factors:

What do you want to achieve?

It's crucial to understand the main goal or intention of your project so you can reduce the number of potential Python libraries. Think about any secondary disciplines, objectives, or expertise that could cross with your main goal to reduce your options further.

Which variation of Python do you employ?

Python now comes in a variety of versions that you may utilize for your applications. You must ensure that any libraries you use are suitable for the Python version you selected for your application.

Is there compatibility between this library and the others you're using?

Ensure that all of the libraries you use are compatible with one another if you want to use more than one. You could have more problems than they're worth because of overlapping or incompatible libraries.

Will you be able to afford the library?

You can use a ton of open-source Python libraries for nothing at all. You may not need to pay for any libraries if you can locate that ideal for your project. There are certain libraries, though, where access is fee-based. Before making your choice, you might want to consider a library's price.


The top Python library tools have been discussed in this article. These Python development tools will increase your productivity and effectiveness in web development regardless of your level of programming knowledge.

With many tools for various demands and capabilities, Python is a flexible and well-liked language. Having viewed the top Python tools and their capabilities, you may now utilize the ones most suited to your needs.


What is Python?

A high-level, all-purpose programming language is Python. Code readability is prioritized in its design philosophy, which uses indentation heavily. Python has dynamic typing and trash control. It embraces a variety of programming paradigms, including structured, object-oriented, and functional programming.

What does the Python library mean?

A Python library is referred to as a collection of connected modules. It has groups of code that may be reused across several projects. It streamlines Python programming for the programmer and makes it more usable.

What is Python used for by hackers?

Hacking exploits are frequently written in the general-purpose computer language Python. It is essential for creating malicious software, exploits, and hacking scripts.

What Python specialty is in demand?

Python is the ideal programming language for rapidly expanding AI, machine learning, and deep learning fields. If you are interested in data science, learning more about machine learning might be an excellent idea.

Why is Python so well-liked?

  • Python is an excellent programming language for beginners due to its simplicity and ease of use.

  • Another factor in Python's enormous popularity is its portability.

  • Python wants its developers to be more productive across the development, deployment, and maintenance processes.

  • Compared to C, Java, and C++, Python programming language has a high level and is easy to learn syntax.

  • Python has a substantial library ecosystem.

Top 17 Python Library Tools

The world's biggest online directory of resources and tools for startups and the most upvoted product on ProductHunt History.