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.

Rice University
Skills you'll gain: Computational Thinking, Event-Driven Programming, Algorithms, Combinatorics, Graph Theory, Programming Principles, Application Development, Object Oriented Programming (OOP), Data Structures, Theoretical Computer Science, Probability, Video Game Development, Bioinformatics, Interactive Design, Animation and Game Design, Python Programming, Data Analysis, User Interface (UI), Computer Science, Computer Programming
★ 4.8 (4.1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: C# (Programming Language), Maintainability, Object Oriented Design, Object Oriented Programming (OOP), .NET Framework, Development Environment, Code Reusability, Microsoft Development Tools, Microsoft Visual Studio, Software Engineering, Software Design, Programming Principles, Software Development Tools, Computer Programming, Computer Programming Tools, Debugging, ASP.NET, Application Deployment, Web Development, Back-End Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Assertion Markup Language (SAML), Spring Framework, OAuth, Authorization (Computing), Authentications, Single Sign-On (SSO), Java Programming, Role-Based Access Control (RBAC), Spring Boot, Secure Coding, Identity and Access Management, Data Persistence, Apache Tomcat, Public Key Infrastructure, Databases
Advanced · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Evaluation, Scalability, Vector Databases, Application Deployment, Model Optimization, Restful API, Token Optimization, Performance Tuning, Embeddings, Generative AI, Web Applications, Large Language Modeling, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Grammar, Writing and Editing, Proofreading, Writing, Literacy, Editing, Language Competency
★ 4.7 (5.6K) · Beginner · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Algorithms, C (Programming Language), Programming Principles, Computer Programming, Graph Theory, Code Reusability, Memory Management, Data Structures, File I/O
★ 4.4 (2.3K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, API Design, ASP.NET, Application Programming Interface (API), GraphQL, .NET Framework, Object-Relational Mapping, Data Modeling, Data Store, Relational Databases, Middleware, C# (Programming Language), Query Languages, Transact-SQL, Data Mapping, Application Frameworks, Data Access, Back-End Web Development, Data Persistence, Configuration Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: DeepSeek API, Deepseek, Agentic Workflows, Retrieval-Augmented Generation, AI Workflows, Generative AI Agents, AI Orchestration, Tool Calling, LLM Application, Prompt Engineering, Application Deployment, Application Programming Interface (API), Agentic systems, Generative AI, Embeddings, Artificial Intelligence, Model Evaluation, Python Programming, Large Language Modeling, Vector Databases
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Wrangling, Data Processing, Data Integration, Data Preprocessing, Data Transformation, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, R (Software), MySQL, File Management, SQL, Application Programming Interface (API)
★ 4.5 (8.1K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Store, Data Architecture, Apache Hadoop, Extract, Transform, Load, Relational Databases, Big Data, Data Storage, Databases, Operational Databases, Apache Spark, Data Storage Technologies, Data Lakes, Data Warehousing, Data Governance, Data Pipelines, Data Integration, Data Processing, SQL, NoSQL, Data Science
★ 4.7 (3.7K) · Beginner · Course · 1 - 4 Weeks

Universidad ORT Uruguay
Skills you'll gain: Code Reusability, Video Game Development, Software Engineering, Program Development, Programming Principles, Game Design, Software Testing, Software Development, Event-Driven Programming, Computer Programming, Computational Thinking
★ 4.8 (2.7K) · Beginner · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Responsible AI, Data Ethics, Artificial Intelligence, Information Privacy, Predictive Modeling, General Data Protection Regulation (GDPR), Personally Identifiable Information, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Data Governance, Threat Modeling, Application Security, AI literacy, Large Language Modeling, Natural Language Processing, Model Training, Security Engineering, Blockchain, Machine Learning, Data Processing
Intermediate · Specialization · 3 - 6 Months