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.

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Application Programming Interface (API), Object Oriented Programming (OOP), API Design, .NET Framework, Object Oriented Design, C++ (Programming Language), Video Game Development, ASP.NET, Computer Programming, Object-Relational Mapping, Web Services, Application Development, Game Design, Software Design Patterns, Database Management, Program Development, Programming Principles
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: C and C++, Exploit development, C (Programming Language), Security Testing, C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments, Interoperability, White-Box Testing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Kubernetes, Cloud Applications, Cloud Deployment, Operational Databases, Google Cloud Platform, Cloud Management, Database Application, Databases, Cloud-Native Computing, Containerization, Data Access, PostgreSQL, SQL
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Clinical Data Management, Statistical Reporting, Data Sharing, Version Control, Clinical Trials, GitHub, Data Quality, Medical Privacy, Quality Assurance, Risk Analysis, Risk Management, R (Software), Maintainability, DevOps, R Programming, Package and Software Management, Agile Software Development, Agile Methodology
Intermediate · Course · 1 - 3 Months

JetBrains
Skills you'll gain: NumPy, Python Programming, Linear Algebra, Numerical Analysis, Data Manipulation, Data Transformation, Data Preprocessing, Integrated Development Environments, Unstructured Data, Data Science, Data Management, Software Development Tools, Software Development, Machine Learning, Engineering, Scientific, and Technical Instruments
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI, Responsible AI, AI literacy, Data Ethics, Data Quality, AI Integrations, Applied Machine Learning, Data Synthesis, Analysis, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Claude Code, Software Architecture, Anthropic Claude, Systems Architecture, Software Development Tools, Continuous Integration, Software Design Patterns, Code Coverage, Code Review, AI Workflows, Agentic Workflows, Software Technical Review, Command-Line Interface, Prompt Engineering, Context Management, Prompt Patterns, YAML, Rust (Programming Language), Software Installation, Unix Commands
Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Tableau Software, Business Intelligence, Dashboard, Business Intelligence Software, Dashboard Creation, Technical Analysis, Plot (Graphics), Market Data, Statistical Visualization, Investment Banking, Tree Maps, Interactive Data Visualization, Data Visualization Software, Data Analysis, Market Analysis, SQL
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, User Interface (UI), LLM Application, AI Workflows, AI Integrations, Human Computer Interaction, Agentic Workflows, Retrieval-Augmented Generation, AI Product Strategy, Embeddings, Application Deployment, Case Studies
Intermediate · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Dashboard Creation, Splunk, Interactive Data Visualization, Data Mapping, Performance Tuning, Geospatial Information and Technology, Geospatial Mapping, Wireframing, Extensible Markup Language (XML), Prototyping, JSON
Intermediate · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Portfolio Risk, Investment Management, Investments, Performance Analysis, Risk Modeling, R Programming, R (Software), Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Market Data, Financial Modeling, Financial Forecasting, Financial Data, Statistical Programming, Risk Management, Correlation Analysis, Regression Analysis, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, SQL, MySQL Workbench, Query Languages, Data-Driven Decision-Making, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours