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.

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, Web Design, Typography, API Design, Web Applications, User Interface and User Experience (UI/UX) Design, Application Programming Interface (API), React.js, Javascript, Web Development
★ 4.7 (600) · Beginner · Specialization · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: React.js, Web Development Tools, UI Components, Frontend Integration, JavaScript Frameworks, Event-Driven Programming, Development Environment, Front-End Web Development, Web Applications, Restful API, User Interface (UI), Code Reusability, Git (Version Control System), Debugging, HTML and CSS, Javascript, Application Programming Interface (API), Software Development, GitHub, Programming Principles
Beginner · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Leaflet (Software), Plotly, Interactive Data Visualization, Data Presentation, Data Visualization Software, R (Software), R Programming, Statistical Reporting, Application Development, Software Documentation, Web Applications, Hypertext Markup Language (HTML), Package and Software Management
★ 4.6 (2.3K) · Mixed · Course · 1 - 3 Months
Skills you'll gain: Web Services, Email Automation, Scripting, Automation, Python Programming, Restful API, IT Automation, Application Programming Interface (API), JSON, System Monitoring, Debugging
★ 4.8 (3K) · Beginner · Course · 1 - 3 Months

The University of Tokyo
Skills you'll gain: Graphical Tools, Computer-Aided Design, Interaction Design, Animations, Digital Design, Technical Design, Human Machine Interfaces, Visual Design, User Interface (UI) Design, Computer Programming
★ 4 (318) · Intermediate · Course · 1 - 3 Months

Cloudera
Skills you'll gain: Database Design, SQL, Apache Hive, Relational Databases, Databases, Database Management, Database Management Systems, Big Data, Database Systems, Amazon Web Services, MySQL, Data Management, Query Languages, Amazon S3, Apache Hadoop, Data Storage, NoSQL, Data Storage Technologies, Cloud Storage, Data Analysis
★ 4.7 (1.4K) · Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Network Analysis, Social Network Analysis, Network Model, Graph Theory, Data Analysis, Predictive Analytics, Python Programming, Algorithms
★ 4.6 (2.7K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Job Control Language (JCL), Mainframe Computing, z/OS, Mainframe Technologies, Virtualization, Virtualization and Virtual Machines, Unix, IBM DB2, Data Maintenance, Data Management, Virtual Machines, Database Management Systems, Hardware Architecture, Unix Shell, Operating System Administration, Infrastructure Architecture, Computing Platforms, System Programming, Linux, Control Panels
★ 4.7 (1.4K) · Intermediate · Professional Certificate · 1 - 3 Months
University of Michigan
Skills you'll gain: Database Design, SQL, Relational Databases, PostgreSQL, Database Systems, Database Theory, Database Management, Data Modeling, Databases, Database Management Systems, Query Languages, Data Integrity
★ 4.8 (1.1K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, Software Architecture, Systems Architecture, API Gateway, Node.JS, API Testing, Unit Testing, Development Testing, Test Case, Restful API, Debugging, Integration Testing, Software Testing, Scalability, Distributed Computing, Event-Driven Programming, Code Coverage, Application Deployment, Javascript, Performance Improvement
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, Claude Code, Prompt Patterns, No-Code Development, Generative AI Agents, Engineering Software, AI Enablement, AI Orchestration, AI powered creativity, LLM Application, AI Product Strategy, Anthropic Claude, AI literacy, Agentic Workflows, AI Workflows, Decision Intelligence, Dashboard Creation, Artificial Intelligence, Large Language Modeling
★ 4.8 (8.1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: GitHub Copilot, AI Security, Prompt Engineering, Model Context Protocol, Agentic Workflows, Prompt Patterns, AI Orchestration, AI Integrations, AI Workflows, Generative AI Agents, GitHub, Secure Coding, Prompt Engineering Tools, Agentic systems, Context Engineering, Git (Version Control System), Context Management, Artificial Intelligence, Automation, Computer Programming
Intermediate · Course · 1 - 3 Months