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.

Edureka
Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Linux Commands, Scripting, Linux, Unix, Scripting Languages, Debugging, Unix Commands, Linux Administration, Command-Line Interface, IT Automation, Code Reusability, Data Validation, Security Engineering, IT Service Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Management, Threat Modeling, Incident Response, Intrusion Detection and Prevention, Threat Management, Network Security, Operating Systems, Threat Detection, Risk Management, Security Information and Event Management (SIEM), Risk Management Framework, Computer Security Incident Management, Cyber Attacks, Bash (Scripting Language), Security Controls, Cybersecurity, Debugging, File I/O, Linux, SQL
★ 4.9 (7.4K) · Beginner · Professional Certificate · 3 - 6 Months

Arizona State University
Skills you'll gain: Environmental Issue, English Language, Investigation, Systems Thinking, Research, Sustainable Systems, Science and Research, Sustainable Development, Scientific Methods, Literacy
Advanced · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, Bioinformatics, Java, Algorithms, Java Programming, Program Development, Object Oriented Design, Programming Principles, Statistical Analysis, Software Design, Computer Programming, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), Data Analysis, Descriptive Statistics, Web Scraping, Problem Solving
★ 4.6 (8.1K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Claude Code, Anthropic Claude, Retrieval-Augmented Generation, LangChain, LLM Application, Prompt Engineering, Tool Calling, AI Orchestration, Embeddings, AI Workflows, Large Language Modeling, AI Integrations, Vector Databases, Agentic Workflows, Application Programming Interface (API), Generative AI Agents, Python Programming, Real Time Data, Context Management, Document Management
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Apache Hadoop, Big Data, Data Analysis, Apache Spark, Data Science, PySpark, File Systems, Analytics, Data Processing, Software Architecture, Distributed Computing, Data Architecture, Performance Tuning, Data Storage, System Configuration, Python Programming
★ 4 (3.3K) · Mixed · Course · 1 - 3 Months
Duke University
Skills you'll gain: Diagram Design, Persuasive Communication
★ 4.6 (3.1K) · Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: React.js, Event-Driven Programming, Authentications, Node.JS, Web Development Tools, Hypertext Markup Language (HTML), Full-Stack Web Development, OAuth, Webpack, Web Content Accessibility Guidelines, Web Applications, Front-End Web Development, Application Design, Javascript, Cascading Style Sheets (CSS), Package and Software Management, JavaScript Frameworks, Web Development, UI Components, Computer Programming
Beginner · Specialization · 3 - 6 Months

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

Skills you'll gain: File I/O, Git (Version Control System), Software Development Methodologies, JUnit, Systems Development Life Cycle, Requirements Analysis, Version Control, Application Development, Software Development Life Cycle, Full-Stack Web Development, Test Driven Development (TDD), SQL, Software Development, Restful API, Database Management, Object Oriented Programming (OOP), Decision Intelligence, Digital Transformation, Java Programming, Generative AI
★ 4.3 (629) · Beginner · Professional Certificate · 3 - 6 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: Prompt Engineering, AI literacy, Brainstorming, AI powered creativity, Email Automation, Ideation, Timelines, AI Enablement, LLM Application, AI Personalization, Taking Meeting Minutes, Concision, Large Language Modeling, Business Writing
★ 4.8 (1.3K) · Beginner · Course · 1 - 4 Weeks