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.

Johns Hopkins University
Skills you'll gain: Data Warehousing, Apache Hadoop, Distributed Computing, Scalability, Transaction Processing, Database Design, Database Systems, Data Architecture, Relational Databases, Database Management, Database Architecture and Administration, Databases, Cloud Computing, Query Languages, Big Data, Data Processing, Machine Learning, SQL, Data Access, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Spring Boot, Configuration Management, API Gateway, JUnit, Java Programming, Java, Application Design, Unit Testing, Middleware, Service Oriented Architecture, Software Design Patterns, Authentications
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LangChain, LLM Application, Large Language Modeling, PostgreSQL, Database Systems, User Interface (UI), Prompt Engineering, UI Components, User Interface (UI) Design, Artificial Intelligence, Cloud Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Ajax, JSON, Application Programming Interface (API), Javascript, Event-Driven Programming, Data Validation, Web Development, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Visualization, Probability & Statistics, Plotly, Statistical Analysis, Data Visualization Software, Statistical Hypothesis Testing, Seaborn, Data Science, Programming Principles, Pandas (Python Package), Statistics, Descriptive Statistics, Data Analysis, NumPy, Probability Distribution, Exploratory Data Analysis, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Unstructured Data, Tensorflow, Data Pipelines, Big Data, Model Deployment, Machine Learning, Jupyter, Artificial Intelligence, Natural Language Processing, Image Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), ChatGPT, Authentications, Generative AI Agents, Back-End Web Development, Web Servers, OpenAI API, Databases, Web Applications, Secure Coding, Command-Line Interface, Generative AI, AI Enablement, Agentic systems, API Testing, Key Management, Restful API, Development Environment, Unit Testing, Maintainability
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Web Design, Typography, Front-End Web Development, Cascading Style Sheets (CSS), UI Components, Figma (Design Software), Hypertext Markup Language (HTML), User Interface (UI) Design, User Interface (UI), Web Content Accessibility Guidelines, Usability, Animations
Intermediate · Course · 3 - 6 Months

Sungkyunkwan University
Skills you'll gain: Regression Analysis, Predictive Analytics, Predictive Modeling, Investment Management, Risk Analysis, Investments, R Programming, Machine Learning, Statistical Analysis, Financial Analysis, Logistic Regression, Financial Data, Algorithms
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Javascript, Web Design and Development, HTML and CSS, Front-End Web Development, Event-Driven Programming, Data Structures, Data Validation, Programming Principles, User Interface (UI), Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Real Time Data, Apache Spark, Apache Kafka, Data Integration, Apache Hive, Big Data, Applied Machine Learning, System Design and Implementation, Distributed Computing, Data Processing, NoSQL, MongoDB, SQL, Scalability
Intermediate · Course · 1 - 3 Months

Universidades Anáhuac
Skills you'll gain: Data Cleansing, Database Management, SQL, Databases, Data Visualization Software, Pandas (Python Package), Data Science, Jupyter, Data Manipulation, Web Scraping, Data Processing, Data Collection, Python Programming, Matplotlib, Machine Learning
Beginner · Course · 1 - 4 Weeks