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.

Skills you'll gain: Feature Engineering, Dimensionality Reduction, Data Integration, Data Preprocessing, Exploratory Data Analysis, Data Visualization, Plot (Graphics), Data Compilation, Matlab, Scientific Visualization, Data Processing, Data Cleansing, Data Wrangling, Data Manipulation, Histogram, Data Transformation, Data Science, Text Mining, Predictive Modeling, Unstructured Data
Intermediate · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Simulations, Python Programming, Agentic systems, Statistical Methods, Programming Principles, Numerical Analysis, Mathematical Modeling, Simulation and Simulation Software, Probability, Applied Mathematics, Mathematical Software, Sampling (Statistics), Process Modeling, Event-Driven Programming, Mechanics
Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Extract, Transform, Load, Decision Support Systems, Data Warehousing, Data Mining, Database Design, Business Intelligence, Dashboard Creation, Dashboard, Star Schema, Relational Databases, Database Management, Data Visualization Software, Snowflake Schema, Data Presentation, Database Development, Data Visualization, Business Reporting, SAS (Software), Data Modeling, Interactive Data Visualization
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: File I/O, Memory Management, Debugging, C++ (Programming Language), C and C++, Software Documentation, Code Reusability, Development Testing, Vibe coding, Programming Principles, API Design, Program Development, Pseudocode, Software Architecture, Software Design, Functional Design, Performance Tuning, Generative AI Agents, Application Design, Technical Documentation
Beginner · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: SQL, Data Manipulation, Relational Databases, Database Management, Database Software, Database Design, Databases, Data Integrity, Database Management Systems, Debugging, Data Management
Intermediate · Guided Project · Less Than 2 Hours

Nanjing University
Skills you'll gain: Operating Systems, File Systems, File Management, Computer Systems, Memory Management, System Software, OS Process Management, System Programming, File I/O, Data Storage, Computer Hardware, Program Development, Peripheral Devices, System Design and Implementation, Algorithms, Human Computer Interaction, Data Sharing
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, UI Components, Scripting, JavaScript Frameworks, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Hypertext Markup Language (HTML), Frontend Performance, Animations, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Database Design, Data Manipulation, SQL, Relational Databases, Database Management, Data Analysis, Data Cleansing, Databases, Query Languages, Case Studies, MySQL Workbench
Beginner · Course · 1 - 3 Months

Skills you'll gain: Portfolio Risk, Portfolio Management, Risk Modeling, Financial Data, Risk Analysis, Investment Management, Return On Investment, Time Series Analysis and Forecasting, Financial Modeling, Investments, Object Oriented Programming (OOP), Statistical Analysis, General Finance, Correlation Analysis, Simulations, Regression Analysis, Financial Forecasting, Simulation and Simulation Software, Jupyter, Python Programming
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Unified Modeling Language, Software Design Patterns, Software Testing, Java, Software Engineering, Java Programming, Computer Programming, User Interface and User Experience (UI/UX) Design, Unit Testing, Software Design, Software Architecture, API Design, Model View Controller, Software Development, Test Driven Development (TDD), Conceptual Design, Databases
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Database Management, Database Administration, Database Management Systems, Databases, Database Application, Relational Databases, Database Architecture and Administration, Data Security, User Accounts, User Provisioning, SQL, Database Design, Vulnerability Management, Application Security, Security Controls, Information Systems Security, NoSQL, Role-Based Access Control (RBAC), Encryption
Beginner · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Matlab, Scientific Visualization, Data Visualization, Simulation and Simulation Software, Plot (Graphics), Mathematical Modeling, Simulations, Data Analysis, Engineering Analysis, Numerical Analysis, Mathematical Software, Programming Principles, Control Systems, Data Structures, Scripting, Computer Programming, Algorithms
Beginner · Course · 1 - 4 Weeks