Language courses can help you learn grammar, vocabulary development, pronunciation techniques, and conversational skills. You can build skills in writing clearly, understanding cultural nuances, and using language for specific purposes like business or travel. Many courses introduce tools such as language learning apps, online dictionaries, and pronunciation software, which enhance your ability to practice and apply what you've learned in everyday situations.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Transformation, SQL
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Regression Analysis, R (Software), Data Analysis Software, Statistical Analysis, R Programming, Statistical Modeling, Statistical Inference, Correlation Analysis, Model Evaluation, Exploratory Data Analysis, Mathematical Modeling, Statistics, Predictive Modeling, Probability & Statistics
Beginner · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Descriptive Statistics, Data Manipulation, Data Presentation, Data Management, Data Literacy, Graphing, SAS (Software), Peer Review, Data Analysis, Statistics, Research Reports, Exploratory Data Analysis, Python Programming
Mixed · Course · 1 - 3 Months

Skills you'll gain: Web Services, Email Automation, Scripting, Automation, Python Programming, Restful API, Application Programming Interface (API), JSON, System Monitoring, Image Analysis, Debugging
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months
Duke University
Skills you'll gain: Pandas (Python Package), Bash (Scripting Language), Version Control, Jupyter, Linux Commands, Git (Version Control System), Shell Script, Linux, Web Scraping, Linux Administration, Data Manipulation, MySQL, Microservices, AWS SageMaker, SQL, JSON, Cloud Engineering, Python Programming, Big Data, Data Science
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: File I/O, Java Programming, Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Software Engineering, Computer Programming, Algorithms, Encryption, Web Servers
Beginner · Course · 1 - 3 Months

Skills you'll gain: Vector Databases, LLM Application, Retrieval-Augmented Generation, Generative AI, Embeddings, Document Management, Natural Language Processing, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Unified Modeling Language, Software Design, Image Analysis, Python Programming, Jupyter, Software Engineering, Application Programming Interface (API), Object Oriented Programming (OOP), Computer Vision, Integrated Development Environments, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Model Evaluation, Predictive Modeling, Machine Learning Algorithms, Statistical Machine Learning, Feature Engineering, Supervised Learning, Predictive Analytics, Applied Machine Learning, Data Preprocessing, R Programming, Classification Algorithms, Machine Learning, Random Forest Algorithm, Regression Analysis, Exploratory Data Analysis, Data Wrangling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, Mobile Development, Swift Programming, Mobile Development Tools, Objective-C (Programming Language), User Interface (UI), Application Development, UI Components, Integrated Development Environments, Development Environment, Storyboarding
Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Wireframing, User Interface and User Experience (UI/UX) Design, Mockups, Responsive Web Design, Web Design, User Experience Design, Prototyping, Web Language, Graphic and Visual Design, HTML and CSS, Design Reviews, Typography
Intermediate · Course · 1 - 3 Months