OpenClassrooms

Learn to create your first web pages using HTML and CSS, the two most important languages on the web. No coding experience required!

Mobilize good practices in public speaking! Discover how to create your content with the techniques of storytelling and mind mapping, how to rehearse effectively and how to master your performance.

Build a strong foundation in web development by learning and practicing JavaScript, one of the major programming languages on the web. You'll even create a simple application!

Find out how fun and rewarding programming in Python can be! In this course, you will learn how to use and write functions, get hands-on practice on data analysis, and start working on your very first algorithm!

Have you been thinking about a career in software development? Do you find computers and computer lingo a bit foreign? This course demystifies jargon and puts computer programming within reach!

The ability to learn quickly and effectively is a key skill that can open the door to any domain or career throughout your life. Follow this course to improve your learning capacity and to take control of your personal and professional development!

Storytelling and graphic design are powerful tools to communicate your ideas. Be sure to document your work along the way.

The command line in Terminal is where a lot of programming efficiency happens. Take this course to better communicate with your computer!

Learn the principles of Agile software development. Discover how a SCRUM team plans a sprint, builds feedback into each cycle, creates retrospectives, and holds daily standups.

Do you want to find a new career path? Or boost the one you're currently on? Develop a personalised career plan step by step and open the door to your next professional opportunity!

Go beyond basic HTML and CSS skills and learn how to create great layouts using CSS layout techniques!

Bootstrap, a popular CSS framework created by Twitter developers, will save you design time and allow you to quickly build attractive, responsive websites! Learn the latest version, Bootstrap 4.

Find out how rewarding programming can be! In this course, you'll learn the principles of object-oriented programming, get hands-on practice with interactive exercises, and start your very own app!

Take your JavaScript skills to the back end with Node, Express, and MongoDB — build everything from secure web services to full-featured APIs, creating tools for front-end developers to interact with easily.

Does the web interest you, but you aren’t totally clear on how the whole thing works behind the scenes? Learn internet history, vocabulary, logistics, and more with this course!

Are you a Python beginner? Take your basic coding skills to the next level with object-oriented programming. Practice using methods, classes, inheritance, and modules, and start coding your own applications!

In this course, you will learn how to create a project plan for large external clients - working with the budget and costing but also with the estimation of work and planning delivery dates.

Are you planning to join the OpenClassrooms team? That's great! Learn what you need to know before joining us in our mission to make education accessible.

Python is user-friendly for beginners and in high demand. Even the basics of data and program logic will empower you to write simple, powerful code. We'll practice a useful automation task called web scraping, an extract-transform-load process (ETL).

Find out what a product manager is, what they do, and what their roles and responsibilities are. Learn about the types of interaction that a product manager might have with the rest of the organization and describe the characteristics of a good product manager.

In this course we'll be learning how to use the popular React JavaScript library. It performs well at rendering web apps. It also demonstrates architectural ideas from functional programming that you will likely use throughout your career as a developer.

Are you ready for a career change? And you're interested in the web? Follow this course to see which digital job is made for you!

Use your JavaScript skills to build interactive, dynamic web apps. Learn to interact with your users and to leverage external APIs to build rich, immersive user experiences.

Using Git and Github is key for programmers, especially when working on a team! Manage your source code and track changes to your files with version control. Fix mistakes with Git commands!

Welcome to the fundamentals of digital marketing! You will learn how to develop a marketing strategy to turn prospects into leads, leads into customers, and customers into loyal brand ambassadors.

Start to explore the world in new ways through the lens of a user experience designer. Learn the key UX principles and processes that will take you from research through design.

in this course, you will discover what artificial intelligence really is - beyond the myths. You will understand its potential, its risks, and its impact on the workplace. You will go behind the scenes of an AI project and explore two of its sub-disciplines: machine learning and deep learning.

Drive traffic to your website by improving its crawlability and speed. Also learn how to optimize a website coded in JavaScript or a multilingual website to meet the requirements of search engines.

Find out how to implement an effective SEO strategy as part of your organization's overall online marketing plan. Increase organic traffic from Google to your website.

In this course, you will learn how to represent data using the relational model and apply relational algebra concepts to SQL, the world's most popular query language to query databases.

Start programming by learning one of the most popular programming languages. C# will allow you to build a variety of secure and robust applications that run on Microsoft's .NET Framework.

Learn how to enrich your web projects with REST and RESTful APIs! You'll be able to access other services' data that can then be integrated into your own applications. APIs will bring a whole new dimension to your software!

Every product vision contains many assumptions. The Lean Startup methodology gives us a framework for applying a "build measure learn" approach to validating our assumptions through designing experiments and analysing the resulting data.

Do you want to use social media in your marketing strategy? Unsure whether to choose Instagram, Facebook, LinkedIn, or something different? Learn how to develop a social media strategy to build a community, foster engagement, and provide valuable content.

WordPress is an indispensable tool for building any type of website. It'll serve you well to know how to launch a good-looking site quickly on the platform.

Have you ever prepared a PowerPoint presentation and felt like people lost interest after a few slides? This course shares presentation tips and tricks to make sure this won't happen again! Find out how to design beautiful slides and deliver a great presentation on the day.

Develop your writing skills to give yourself a competitive advantage in the world of design. UX designers also need to be part content strategists and UX writers.

Are you an independent worker, or do you hope to become one? Do you sell or promote your services online? Find your next clients online by building and developing your freelance digital commercial strategy.

Speed up your Java web application development time with an MVC framework. Spring Boot does the heavy lifting for you so you can create better web applications, in much less time.

Take your front-end applications to the next level with one of the most popular JavaScript frameworks: Vue.js! Use Vue CLI, Vuex, and reusable Vue components to build powerful apps that can scale and grow.

Ready to store your application's data? Let's cover the basics of SQL and design the structure of your first relational database with an Entity Relationship Diagram (ERD).

Gain firsthand experience in design thinking — empathy, define, ideate, prototype, test — through hosting a workshop! We'll also examine design sprints.

Whether you use Excel, LibreOffice Calc, Numbers on Mac, or Google Sheets on Drive, follow this course to master the basics of spreadsheets. You'll find out how to format, analyze, and visualize basic data.

Python has emerged as a prominent language for all things Data Science. Operate in a Jupyter notebook and learn how to use the essential libraries like NumPy, Matplotlib and Pandas.

Creativity is a key skill when problem-solving. Develop your convergent and divergent thinking by building a toolkit of practical exercises to help you innovate at work and in job applications.

Get ready to build your first Android app: TopQuiz! Along the way, you’ll learn the fundamentals of Android development: architecture, screen design, and all the tools you’ll need to build your own applications.

Mentorship is a key part of learning with OpenClassrooms! Take this course to discover what a mentor does and to eventually become one yourself.

Learn to write clean, maintainable, and modular CSS code through the implementation of designed naming and file structures, such as BEM, and the use of Sass, a CSS precompiler.

Learn to communicate in a project management environment! Define the details of a feature with User Stories and Acceptance Tests, and use the Agile Requirements Format to store requirements on a wiki.

By animating elements of a web page, we can guide the attention of our visitors, creating a more fluid user experience. Take your CSS skills to the next level and bring your web pages to life with modern CSS animations!

Ready to put your database modeling skills to use? Design and build a physical relational database with Structured Query Language (SQL) and learn the tools to manipulate your table data.

Teamwork is an essential skill, whatever your choice of career. And it can be learned! In this course, you will see some behavioural techniques to take advantage of a team's formidable leverage: collective intelligence.

Understand human behavior, habits, and emotion in order to make better design decisions.

Ruby is a readable and easy-to-learn programming language that is the foundation of the powerful Ruby on Rails framework, helping you make full websites easily. Take your first steps with Ruby in this course!

A lot of our communication happens in writing, especially in the professional world. Regardless of your career field, if you want to master professional writing, you'll find this course of value!

Soft skills such as adaptability, collaboration, communication or problem-solving are essential for any career. Develop your transferable skills.

jQuery is the most commonly used JavaScript library. You can use jQuery to accomplish cool stuff in your web projects such as animations, event-based actions, and more, all while enjoying cross-browser compatibility.

The front-end developer, as other job, has a corresponding toolset. In this course, you'll install and begin to explore the tools you'll use throughout your career as a front-end developer.

Whether its adopting new technologies to improve customer experience or introducing a new business model, learn how to design a digital transformation strategy for your company in this course.

Set up your Python local development environment using pip to install and manage your packages, virtualenv to create virtual environments for each of your projects, and PyCharm to leverage a range of integrated tools.

Boost the use of your services, and your organization’s growth and profit with customer relationship management (CRM) strategy and relevant digital software.

The Internet is part of our daily lives... But how is it impacting careers? What are the digital jobs?

Roadmaps help define and share what direction your team will take to make the product vision a reality. Use tools like impact mapping and story mapping to help you create a theme-based roadmap that shows how you will achieve your goals.

In this course, you will learn how to design an effective dashboard blueprint. You will then build interactive and engaging dashboards from scratch using Tableau, an industry-standard data visualization tool.

Use wireframes to communicate how a website or app will work. Diagram user flows to make sure the steps are all in place.

Build, interpret, and evaluate linear, logistic and polynomial regression models based on observations in your data.

Leverage the Spring Security framework to secure your Spring Boot web application with custom configurations and OAuth 2.0. Use secure programming techniques to protect against web application attacks!

How do people with disabilities interact with the web using assistive technologies? In this course, you'll assess for web accessibility barriers using the Web Content Accessibility Guidelines (WCAG) and design with digital inclusion in mind, from visual design to interactions.

Make your apps cleaner, more robust, and more maintainable with SOLID design principles, Model View Controller architecture, and design patterns.

Do you want to learn about data mining? In this course, you will perform univariate and bivariate analyses on your data. Above all, you will learn how to cleanse a dataset!

Learn how to stay abreast of industry changes, pinpoint areas for professional development, and work more efficiently in the digital age.

Now that you've learned to program with Python, make your code clean, readable, easy to modify, and resistant to bugs by applying the PEP 8 style guide for Python, a few key design patterns (including MVC), and the SOLID principles.

Make your work stand out from the competition by creating an eye-catching portfolio with beautifully designed case studies. Don't forget to consider your entire online presence!

Building a supervised model is integral to machine learning. In this course, we will learn how to apply classification (decision trees, logistic regression) and regression (k-nearest neighbors, linear regression) algorithms to your data!

Use DDD to communicate the technical architecture to the various stakeholders in your project, and learn functional modeling using UML use-case diagrams and class diagrams.

Learn how to better know yourself, set goals, manage your time and function both independently and interdependently to develop your autonomy. Apply this key skill in all of your professional activities!

To create a quality application, you must implement secure coding practices! Learn to apply the techniques of OWASP, an online community providing invaluable techniques and tools for reducing security risks in web development.

Learn about how companies can create rapid growth for themselves through new marketing techniques and experimentation in general! You’ll apply a hacker’s mindset to creating new strategies to engage with customers at all stages of the customer lifecycle.

Co-workers don't always get along, and it can affect their work. In this course, you’ll learn conflict resolution strategies to help resolve issues or avoid conflict altogether.

Deep Learning is at the heart of many of today's innovations from image recognition to natural language processing (NLP). This course will teach you how to train deep neural networks including: Fully Connected, Convolutional, and Recurrent Neural Networks.

To be an effective software architect, you'll need to learn a wide variety of patterns and their applications. Explore software architecture patterns and how to represent them.

Explore design systems and develop your own graphic design eye in user interface (UI) or product design.

Lead a one-on-one session with a client and build rapport by carrying out a needs analysis and creating a career development plan.

Networking can help you plug into your industry in many ways. It helps you learn about interesting career paths, be aware of job openings and more. With this course, build a personal networking strategy that works for you.

Identify common machine learning problems. Evaluate and improve them with feature selection, cross-validation, hyperparameter tuning and regularization.

Identify patterns in your data using PCA (Principal Component Analysis), a dimensionality reduction technique, and two of the most popular clustering methods: k-means and hierarchical clustering.

Transform your computer into a programming powerhouse! Install everything you need to set up your first Java projects, including Eclipse, the most widely used integrated development environment.

Critical thinking is essential if we are to question our world and make reliable and effective decisions. In this course we will learn how to identify cognitive biases, search for information, and avoid the pitfalls of argumentation using the scientific method.

Apply best practices for usability testing and learn methods for gaining insights into mental models of users, as well as sharing your findings.

Writing code is great, but you've gotta keep an eye on what you're doing! You'll need to manage your project (whether using Agile, Scrum, or a different workflow) from start to finish in order to hit your deadlines and keep everyone happy.

Learn how to build a custom PC! Discover the hardware components that make up a computer, shop for options suitable for specific needs, and learn the steps to assembling PC parts.

Improve your efficiency as a C# developer with a Model-View-Controller (MVC) framework. ASP.NET Core does the heavy lifting so you can create better modern, cloud-based, internet-connected applications in much less time!

What's the new programming language that's taking over Android development? Dive into this course and get hands on practice working with Kotlin! With a step by step comparison with Java, you'll work with Kotlin classes, extensions, lambdas, and more!

Look under the hood of your favorite websites using DevTools. See their HTML elements, CSS, JavaScript, and more!

Get out into the world and understand how people actually behave vs. what they say they do. Move past expectations and assumptions to uncover valuable insights through ethnography, interviews and participant observation.

Use Java concurrency to decompose a hard problem into independently executing tasks with threads, thread pools, java.util.Concurrent collections, and more!

Web developers should be able to break down the mockups they receive from designers. How can they integrate these designs in HTML and CSS?

Creating tests and applying a test-driven approach are essential for writing reliable code. As a front-end developer, you need to confirm that your application is always usable and does what you want it to do!

Have you identified a gig or a full-time job opportunity that interests you? Now is the time to apply! This course will help you succeed in getting that target job by guiding you through how to craft a tailor-made cover letter and prepare for an interview.

Effectively prepare for your job search by writing a CV that corresponds with your career plan. We'll look at how to build your presence on social networks and hunt for your future job both off and online!

In order to know how good an idea is, you need to research the competition, identify a market segment, find and interview potential customers, and develop target personas.

Emailing is the preferred channel for generating revenue and building customer loyalty. Learn how to design effective emailing campaigns to take advantage of this essential tool.

Discover the different steps to create an advertising campaign: define objectives, calculate the size of your audience, learn how to work with media agencies, and measure the impact of your advertisements.

Ready to improve your C# coding practices? Your .NET applications will be cleaner, more robust, and more maintainable with model-view-controller architecture, the SOLID principles, and design patterns.

Effective product managers are data-driven in their decision-making. Learn the necessary concepts, tools and frameworks to ensure that your product goals are being met.

Learn the tools to keep any project organized and to collaborate with other team members.

You've set up as a freelancer. So what next? On this course, you'll learn how to plan your working days; manage your cash flow; set positive, realistic goals; identify the multiple roles you'll have and decide how much to charge.

Want to freelance, but unsure where to start? From setting up legally, choosing a name and securing work to finding funding and writing a business plan, this course will guide you on your journey to UK self-employment, and also offer invaluable tips and advice to freelancers everywhere.

Mentorship is a key part of learning on OpenClassrooms! Take this course to see how it works and to eventually become a mentor yourself.

In this beginner course, discover Linux, an open-source operating system (OS) created by computer enthusiasts - the perfect alternative to Windows or macOS!

Persist Java objects into a relational database using JDBC and Hibernate. Use the repository pattern to organize persistence logic in your code!

Turn your computer into a programming powerhouse! Use Visual Studio, an Integrated Development Environment, or IDE, to set up your first .NET projects and start coding in C#.

To create a quality app that users love, you've got to test it properly! Discover the power of unit, integration, and end-to-end tests, use test-driven development and leverage the power of JUnit and Mockito to deliver applications that do what they're supposed to do!

As the Ruby on Rails apps on which you work get more complex, you'll need to be sure you can handle configuration and deployment like a pro.

Learn about the nature of estimation and its potential pitfalls. Learn how to estimate user stories and create user story maps. You will learn about concepts like planning poker, team estimation workshops, and velocity.

In this course, we'll learn how to use the popular Ruby on Rails framework to build database-backed websites. We'll be creating a demo app that features a blog!

Heroku is a platform that will allow you to easily deploy Rails apps. Learn more about it and find their documentation here.

Take your Django web applications to the next level with authentication, modularity, and advanced functionalities of models, forms, templates, and the Django ORM.

Career coaches can work in various settings such as a home-based freelancer, at a coaching firm, and at a job centre. In this course, become more familiar with the various working contexts of a career coach, specific tasks, as well as potential incomes.

This course dives deep into object-oriented programming in Ruby. It teaches many of the more difficult concepts in Ruby by focusing on the relationship between classes and objects. You'll emerge from this course with a much more solid foundation in the Ruby language.

Prototyping is an excellent way to communicate and get feedback - whether it is customers, stakeholders or even your own developers. Learn the process of identifying a minimum viable product!

Every product is different. Examine the metrics that will help inform design decisions. Use storytelling to communicate data visually through simple but effective charts and graphs.

No turning back now! You are swiftly getting to the core of iOS development: learning Apple's new programming language for creating apps. Advance your apps with just a few lines of Swift code!

In this course, you will discover how to install and configure Microsoft Windows 10 for your computer. Then you will learn how to do a mass deployment of Windows 10 using a generalized image created using Sysprep.

Ready to start? In this introductory course, you will discover the essentials of iOS development: dive into Apple's mobile ecosystem, familiarize yourself with the development environment, and build your first app in just a few hours - no kidding!

It’s time to enhance your skills with the knowledge of a founding concept of most modern programming languages: Object Oriented Programming (OOP).

Create unit tests to minimize bugs. Your mobile apps will be reliable and you'll make your users happy.

Testing is essential for creating high quality apps that users love. Learn best practices with test-driven development and behavior-driven development. Make your C# applications robust with unit testing, mock testing, and integration testing.

Bugs getting into your Java code? Use tools like a Java debugger and its breakpoints, conditional breakpoints, and watchpoints to find and fix Java bugs. Use the scientific method to test your bug theories, all while using tools like JConsole, VisualVM, and a Java logger!

Discover different ways of saving data on Android using Kotlin! Save data in a phone's memory by using a performant relational database and ensure that your users can use their apps in offline mode.

Integrate a relational database with your MVC application in ASP.NET Core using C#, LINQ, code-first migrations, SSMS, and database-first integration.

Expand your knowledge of the Ruby programming language to allow you to create web sites that display dynamic content and take user input via web forms.

To create software architecture, you'll first need to synthesize client needs. Learn to apply structural guidelines, stakeholder management, and agile methodology to interpret and construct an effective functional project brief.

To guarantee the best possible user experience via tablette or smartphone, learn how to use the different navigation and display mechanisms proposed by Android.

Discover different ways of saving data on Android. Save data in an Android phone's memory by using a performant relational database.

In this course, we'll look at the advantages of decoupling software and learn how to refactor a monolithic application into separate layers using an MVC (model-view-controller) framework.

Sharing sensitive data in real time is an essential element of back-end development! Use .NET Core, Identity Framework, and Token Authentication to secure your .NET MVC application.

Save your application data and place structured data in a database.

Take advantage of list layouts, build custom reusable components, comprehend Core Data, and engage users with local notifications.

Hit the ground running with a solid understanding of how you'll become a Salesforce developer by following this path.

An Android app is designed to communicate. Learn how to use an API to optimally download data and how to display various data in a list format.

Adopt MVC code design architecture in order to build sustainable code.

Discover React.js, the Javascript library that allows you to create apps from components. Learn the basics while using the Create React App tool (CRA) to build a complete web application!

Start hunting down bugs with Visual Studio! Discover through concrete examples the tips, tools, and methodology for getting to the root of problems in your code and fixing errors with unit tests.

Learn how to virtualize your work environment using Virtual Machines. Choose the type of hypervisors that suits your project and practice with Virtual Box and vSphere.

Guarantee the success of your project by anticipating potential risks. Learn how to analyze risks for various projects and develop prevention plans to avoid problems.

Learn how to enrich your app with dynamic content delivered in real-time from remote sources via a network. You will also learn about SOLID coding principles.

Your work isn't finished once you complete a project. You'll need to stay up to date on the technology landscape so you don't miss important updates or exciting new tools!

Understand and alter existing Swift code efficiently and sustainably. In this course, you will discover the benefits of implementing tests and learn how to practice test driven development.

Learn to manage your PC with Windows 10! Master Cortana, the Windows Store, and the tools to monitor, optimize, and secure your PC, such as Windows Security and the firewall.

There are many RubyGems that will simplify your lives as Ruby developers. Learn about them here!

Decision-making is an indispensable soft skill to help you solve problems. Whether you're facing personal or professional choices, learning how to make decisions quickly and efficiently will help you in your chosen career.

Assessors evaluate the students’ skills and provide constructive feedback at the end of their presentation. Learn more about the role of an assessor in this course!

Apply digital inclusion principles in your HTML & CSS code using ARIA, alt tags, and other digital accessibility tools. Learn to comply with the W3C WCAG (Web Content Accessibility Guidelines) as a developer.

Being service-minded is at the heart of any professional relationship. In this course, you will learn how to communicate effectively, improve professional relationships with both colleagues and external clients, and overcome communication and relational challenges.

Natural Language Processing (NLP) allows us to classify, correct, predict, and even translate large text data quantities. In this course, you will discover how to transform text into vectors for exploration and classification. We will explore bag-of-words, word embeddings, and sentiment analysis.