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.

Imperial College London
Skills you'll gain: Dimensionality Reduction, NumPy, Unsupervised Learning, Statistical Methods, Descriptive Statistics, Jupyter, Statistics, Geometry, Linear Algebra, Data Transformation, Python Programming, Advanced Mathematics, Applied Mathematics, Calculus
★ 4 (3.2K) · Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: R Programming, R (Software), Statistical Analysis, Statistical Methods, Statistical Inference, Correlation Analysis, Probability, Graph Theory
★ 4.7 (573) · Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Database Design, SQL, Relational Databases, PostgreSQL, Database Development, Database Theory, Database Management, Data Modeling, Databases, Query Languages, Data Integrity
★ 4.8 (1.1K) · Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Large Language Modeling, Data Ethics, Google Gemini, Prompt Patterns, Responsible AI, AI literacy, LLM Application, Gemini, ChatGPT, Generative AI, Microsoft Copilot, Generative AI Agents, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, Deepseek, Productivity, Automation, Business Operations
★ 4.9 (18) · Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Plot (Graphics), Data Visualization, Data Literacy, Statistical Methods, Data Science, Applied Machine Learning, Unsupervised Learning, Statistics, NumPy, Python Programming, Pandas (Python Package), Data Analysis, Machine Learning Algorithms, Descriptive Statistics, Data Processing, Analytics, Machine Learning, Data Manipulation
★ 4.6 (735) · Beginner · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Debugging, Test Driven Development (TDD), Unit Testing, AI Integrations, Test Script Development, Software Testing, Test Automation, Context Engineering, Responsible AI, Risking, Software Architecture, Verification And Validation, AI literacy, AI Workflows, Software Documentation, Engineering Documentation, Python Programming, Large Language Modeling, Cloud Computing Architecture
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Amazon Redshift, Google Cloud Platform, Identity and Access Management, Data Warehousing, Extract, Transform, Load, Data Modeling, Data Import/Export, Role-Based Access Control (RBAC), Database Design, Data Architecture, Data Migration, Query Languages, SQL, Database Architecture and Administration, Data Sharing
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Algorithms, Programming Principles, Functional Design, Java Programming, Other Programming Languages, Performance Tuning, Performance Testing
★ 4.4 (1.8K) · Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Excel Formulas, Microsoft Excel, Excel Macros, Spreadsheet Software, Pivot Tables And Charts, Data Presentation, Proofreading, Data Visualization, Editing, Financial Forecasting, Financial Modeling, Productivity Software, Consolidation, Data Analysis, Data Validation, Trend Analysis, Data Entry, Diagram Design, Visual Basic (Programming Language), Automation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Evaluation, MLOps (Machine Learning Operations), Regression Testing, Kubernetes, Docker (Software), Feature Engineering, Containerization, Software Documentation, Data Pipelines, Git (Version Control System), Apache Airflow, Technical Documentation, Microservices, CI/CD, Unit Testing, API Design, Performance Metric, Python Programming, Version Control, Verification And Validation
Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Linux, Linux Commands, Operating Systems, Embedded Software, Integrated Development Environments, File Systems, Internet Of Things, Command-Line Interface, Development Environment, System Configuration, Embedded Systems, Computing Platforms, Python Programming, OS Process Management, User Interface (UI), Computer Hardware, File Management, Scripting Languages, Programming Principles, Computer Programming
★ 4.7 (2.8K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Debugging, Frontend Integration, Event-Driven Programming, Dataflow, Web Applications, Development Environment, Cloud Computing
Beginner · Course · 1 - 3 Months