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.

Duke University
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Unix Shell, Command-Line Interface, Scripting Languages, Code Reusability, Automation, DevOps
★ 4.7 (7) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Programming Principles, Data Dictionary, Computational Logic, Data Cleansing, Data Structures, Python Programming, Data Manipulation, Logical Reasoning
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PostgreSQL, Relational Databases, Database Design, Database Development, Database Management, SQL, Database Management Systems, Data Integrity, Query Languages, Business Intelligence, People Analytics, Analytics, Data Analysis, Transaction Processing, Data Manipulation, Data Validation, Software Installation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Analysis, Machine Learning Algorithms, Statistical Analysis, Probability & Statistics, Probability Distribution, R Programming, Machine Learning Methods, Statistical Methods, R (Software), Applied Machine Learning, Statistical Machine Learning, Statistics, Statistical Modeling, Machine Learning, Statistical Inference, Classification Algorithms, Statistical Programming, Correlation Analysis, Data Manipulation, Supervised Learning
★ 4.6 (16) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Vue.JS, Unit Testing, JavaScript Frameworks, Test Tools, Software Architecture, Software Testing, Development Testing, UI Components, Web Applications, Front-End Web Development, Web Development, Maintainability, Javascript, HTML and CSS, Hypertext Markup Language (HTML), Data Validation, Data Store
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Kubernetes, Data Storage, Cloud-Native Computing, YAML, Data Storage Technologies, Data Persistence, Data Management, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Knitr, Surveys, Survey Creation, Data Quality, Sample Size Determination, Statistical Hypothesis Testing, Data Governance, Market Research, Regression Analysis, Predictive Modeling, Quantitative Research, Data Analysis, Statistical Analysis, Key Performance Indicators (KPIs), R Programming, Excel Formulas, Business Intelligence, Data Visualization, Performance Metric
Intermediate · Specialization · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Responsive Web Design, Hypertext Markup Language (HTML), HTML and CSS, Content Management Systems, Web Design, User Centered Design, Usability, Cybersecurity, User Experience Design, Web Design and Development, Cyber Attacks, Content Management, Interactive Design, Security Awareness, Security Management, WordPress, Web Development, Web Content, Semantic Web, Cascading Style Sheets (CSS)
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Web Applications, Full-Stack Web Development, Database Application, Data Store, Database Development, Database Management, SQL, Query Languages, Data Access, Real Time Data, Javascript, Data Entry, Software Engineering, Authentications
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Android Jetpack, Mobile Development Tools, Extensible Markup Language (XML), Data Management, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Embeddings, Data-Driven Decision-Making, Applied Machine Learning, Image Analysis, LLM Application, Model Optimization, Data Flow Diagrams (DFDs), Database Theory, Docker (Software), Prompt Engineering, Database Design, NumPy, AI Integrations, Databases, Scikit Learn (Machine Learning Library), Semantic Web, Simulations, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Simulations, Data Analysis, Process Analysis, Plot (Graphics), Statistical Methods, R Programming, Statistical Analysis, R (Software), Data Visualization, Process Modeling
Beginner · Guided Project · Less Than 2 Hours