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.

Coursera
Skills you'll gain: Financial Modeling, Descriptive Statistics, Data Literacy, Financial Forecasting, Reconciliation, Financial Analysis, A/B Testing, Portfolio Risk, Model Evaluation, Data Cleansing, Decision Tree Learning, Regression Analysis, Exploratory Data Analysis, Predictive Modeling, Data Analysis, Risk Analysis, Risk Management, R Programming, Statistical Analysis, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Object Oriented Programming (OOP), Systems Analysis, Systems Design, Software Architecture, Software Design, Software Engineering, C++ (Programming Language), Java Programming, Program Development, C# (Programming Language), Software Development, Software Development Methodologies, Requirements Analysis
Beginner · Course · 3 - 6 Months

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, Unix, File Management, Operating System Administration, Unix Shell, Shell Script, Containerization, Git (Version Control System)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Python Programming, Data Manipulation, Programming Principles, Computer Programming, Software Installation, Development Environment, Jupyter, Integrated Development Environments
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Data Processing, Real Time Data, File I/O, Data Transformation, Jupyter, Performance Tuning, JSON, SQL
Advanced · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Prompt Engineering, Large Language Modeling, LLM Application, ChatGPT, Generative AI, Responsible AI, Healthcare Ethics, Public Health, Data Ethics, Health Policy, Health Informatics, Medical Science and Research, Artificial Intelligence, Microsoft Copilot, Emerging Technologies
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Bayesian Network, Linear Algebra, Numerical Analysis, Matlab, Statistical Modeling, Simulations, Estimation, Advanced Mathematics, Mathematical Modeling, Statistical Analysis, Time Series Analysis and Forecasting, Probability & Statistics, Control Systems, Forecasting, Applied Mathematics, Statistical Methods, Predictive Analytics, Engineering Analysis, Mathematical Software, Simulation and Simulation Software
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Manipulation, Histogram
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Databricks, Data Lakes, Data Pipelines, Data Integration, Dashboard, PySpark, SQL, Apache Spark, Data Management, Data Transformation, Version Control
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side, Application Frameworks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Cloud-Native Computing, Docker (Software), Containerization, Microservices, DevOps, Application Deployment, YAML, Virtualization, Virtual Machines, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Web Design and Development, Front-End Web Development, HTML and CSS, Responsive Web Design, React.js, JavaScript Frameworks, Web Development, Cascading Style Sheets (CSS), Web Development Tools, UI Components, Event-Driven Programming, Maintainability, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks