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.

Duke University
Skills you'll gain: C (Programming Language), Data Structures, C and C++, Programming Principles, Program Development, Algorithms, Memory Management, Computer Programming, Data Access
★ 4.3 (351) · Beginner · 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
★ 4.3 (413) · Mixed · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Analysis, Statistical Software, Correlation Analysis, Statistical Programming, Data Analysis Software, SAS (Software), Data Analysis, Statistical Methods, Quantitative Research, Probability & Statistics, Analytical Skills, Data Management, Statistical Inference
★ 4.5 (417) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Extract, Transform, Load, IBM DB2, Star Schema, PostgreSQL, Snowflake Schema, Data Mart, Data Architecture, Data Modeling, Database Design, Database Systems, Data Lakes, Data Integration, Query Languages, Data Validation, Data Cleansing, SQL, Data Quality
★ 4.5 (267) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, React Native, Responsive Web Design, Browser Compatibility, HTML and CSS, Cross Platform Development, Hypertext Markup Language (HTML), Web Design, Javascript, Application Development, Application Frameworks, JavaScript Frameworks, Cascading Style Sheets (CSS), Web Development, React.js, UI Components
★ 4.7 (608) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Statistical Hypothesis Testing, Predictive Modeling, Logistic Regression, Predictive Analytics, Statistical Analysis, Model Evaluation, Statistical Modeling, Regression Analysis, Correlation Analysis, Statistical Software, Model Training, Exploratory Data Analysis, Statistical Methods, Statistical Inference, Business Analytics, Probability & Statistics, Model Deployment, Data Analysis, Supervised Learning
★ 4.6 (229) · Intermediate · Professional Certificate · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Agentic systems, Artificial Intelligence, Algorithms, AI literacy, Python Programming, Responsible AI
★ 4.3 (44) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Presentations, Data Presentation, SQL, Descriptive Statistics, Data Storytelling, Data Analysis, Peer Review, Exploratory Data Analysis, Descriptive Analytics, Statistical Analysis, Data Modeling, Database Design, Performance Metric, Business Metrics, Analytical Skills, Business Analytics, Text Mining, Data Science, Data Import/Export, Target Audience
★ 4.2 (267) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Based Systems Engineering, Systems Development Life Cycle, Unified Modeling Language, Systems Engineering, Systems Design, Systems Architecture, Engineering Software, Systems Analysis, Product Lifecycle Management, Process Modeling, Diagram Design, Solution Architecture, System Requirements, Requirements Analysis, Cloud Computing
★ 4.1 (72) · Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Verbal Communication Skills, Oral Expression, Presentations, Interviewing Skills, Public Speaking, English Language, Cultural Diversity, Communication, Language Learning, Non-Verbal Communication, Language Competency, Intercultural Competence, Cultural Sensitivity, Oral Comprehension, Vocabulary, Business Communication, Communication Strategies
★ 4.6 (159) · Mixed · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Java, Object Oriented Design, Java Programming, Code Reusability, Object Oriented Programming (OOP), Data Structures, Computer Programming, User Interface (UI), Programming Principles, User Interface (UI) Design, Algorithms, Computational Thinking, Program Development, Debugging
★ 4.6 (300) · Beginner · Course · 1 - 3 Months

The Linux Foundation
Skills you'll gain: Package and Software Management, Linux, Command-Line Interface, File Systems, Linux Administration, Linux Commands, User Accounts, Operating System Administration, System Configuration, Bash (Scripting Language), File Management, Unix Shell, User Provisioning, System Monitoring, Shell Script, Operating Systems, System Software, Patch Management, Software Installation, OS Process Management
★ 4.5 (1.4K) · Beginner · Course · 1 - 3 Months