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.

University of California, Santa Cruz
Skills you'll gain: R Programming, Statistical Programming, R (Software), Statistical Modeling, Bayesian Statistics, Statistical Software, Markov Model, Mathematical Modeling, Statistical Methods, Statistical Inference, Sampling (Statistics), Simulations, Probability Distribution, Classification Algorithms
★ 4.5 (63) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Frontend Integration, API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Event-Driven Programming, Database Development, Front-End Web Development, Python Programming, Database Management, Restful API, Object-Relational Mapping, SQL
★ 4.2 (25) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI Agents, AI Orchestration, Agentic systems, Agentic Workflows, AI Workflows, Artificial Intelligence, LLM Application, Generative AI, Development Environment, Tool Calling, AI literacy, Large Language Modeling, Software Development Tools, Python Programming, Software Installation
★ 4.6 (145) · Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Model Context Protocol, Agentic systems, Retrieval-Augmented Generation, Prompt Engineering, Agentic Workflows, Tool Calling, Google Gemini, AI Workflows, Generative AI Agents, AI Orchestration, Server Side, Node.JS, Vector Databases, MongoDB, Embeddings, Large Language Modeling, Natural Language Processing, Web Development, Machine Learning, Javascript
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Regression Analysis, Data Ethics, Statistical Methods, Statistical Hypothesis Testing, Data Science, R Programming, Statistical Programming, Statistical Analysis, Predictive Modeling, Predictive Analytics, Probability & Statistics, Correlation Analysis, Model Evaluation, Plot (Graphics)
★ 4.3 (40) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Continuous Delivery, Test Driven Development (TDD), Unit Testing, Continuous Deployment, Continuous Integration, Test Script Development, Program Development, CI/CD, Agile Methodology, Test Automation, Development Testing, Mockups, Test Case, Agile Software Development, Software Testing, Debugging, Software Development, Python Programming, Version Control, Requirements Analysis
★ 4 (83) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Feasibility Studies, Systems Development, Process Modeling, Software Design Documents, Software Development Methodologies, Business Analysis, Functional Requirement, Software Design, Analysis, Business Process Modeling, Business Analysis Tools, Verbal Communication Skills, Communication, Software Development, Data Flow Diagrams (DFDs), Stakeholder Communications, Business Communication, Product Lifecycle Management, Stakeholder Engagement
★ 4.6 (53) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, Peripheral Devices, C (Programming Language), System Programming, Program Development, Hardware Architecture, Data Structures, Debugging, Development Environment, C and C++, Performance Tuning, Integrated Development Environments
★ 4.5 (51) · Advanced · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Scraping, MySQL, SQL, JSON, Scripting, Data Persistence, Scripting Languages, Data Manipulation, Data Structures, Operational Databases, Query Languages, Database Management, Databases, Data Import/Export, Data Capture, Spatial Data Analysis, Python Programming, File I/O
★ 4.4 (112) · Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Object Oriented Design, Java, Java Programming, Teaching, Programming Principles, Program Development, Pedagogy, Computer Programming, Software Design, Computational Thinking, Education Software and Technology, Cultural Responsiveness, Digital pedagogy, Test Case, Computational Logic, Algorithms, Data Structures
★ 4.7 (57) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Database Administration, Programming Principles, Computer Programming, Artificial Intelligence, Cloud Services, Network Security
★ 4.8 (150) · Intermediate · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Data Structures, Data Visualization Software, File I/O, Market Data, Financial Data, Financial Analysis, Data Analysis, Programming Principles, Data Processing, Python Programming, Data Manipulation, Data Import/Export, Maintainability, Data Validation
★ 4.6 (261) · Intermediate · Course · 1 - 4 Weeks