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.

Skills you'll gain: Star Schema, Snowflake Schema, Data Lakes, Data Warehousing, CI/CD, Database Design, Microsoft Azure, Power BI, Data Governance, Continuous Integration, Real Time Data, Data Pipelines, Microsoft Copilot, Transaction Processing, Data Architecture, Model Optimization, Transact-SQL, Enterprise Architecture, SQL, Cloud Infrastructure
★ 3.6 (10) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Stored Procedure, Database Design, Git (Version Control System), Database Development, MySQL Workbench, MySQL, Databases, Database Application, Database Software, Database Management, Data Visualization Software, Version Control, Interactive Data Visualization, SQL, Code Review, Tableau Software, Data Modeling, Django (Web Framework), Project Management, Application Development
★ 3.9 (67) · Intermediate · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Model Evaluation, Computer Vision, Model Deployment, Anomaly Detection, Convolutional Neural Networks, Image Analysis, Transfer Learning, Model Training, Fine-tuning, Deep Learning, Generative AI, Artificial Neural Networks, Applied Machine Learning, Data Preprocessing, Matlab, Software Visualization, Classification Algorithms, Data Cleansing, Model Optimization, Predictive Modeling
★ 4.9 (37) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: SAS (Software), Network Analysis, Text Mining, Spatial Analysis, Social Network Analysis, Analysis, Geospatial Mapping, Data Analysis, Data Wrangling, Statistical Programming, Data Transformation, Unstructured Data, Natural Language Processing
★ 4.7 (195) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Front-End Web Development, Debugging, Programming Principles, Computational Thinking, GitHub, Web Design and Development, Pseudocode, Version Control, Git (Version Control System), Diagram Design, Microsoft Copilot, Algorithms, Program Development, Code Reusability, Computational Logic, C# (Programming Language)
★ 4.8 (79) · Beginner · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Control Systems, Robotics, Simulation and Simulation Software, Virtual Environment, Simulations, Matlab, Mathematical Modeling, Applied Mathematics, Estimation
★ 4.9 (63) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Data Manipulation, Relational Databases, Database Management, Database Software, Database Design, Databases, Data Integrity, Database Management Systems, Debugging, Data Management
★ 4.6 (199) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Context Protocol, Retrieval-Augmented Generation, Generative AI, AI Workflows, LLM Application, Generative AI Agents, AI Orchestration, Multimodal Prompts, Agentic Workflows, Embeddings, JSON, Tool Calling, Large Language Modeling, Agentic systems, Vector Databases, Unstructured Data, System Testing
★ 4.4 (32) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Image Analysis, Image Quality, Matlab, Computer Vision, Digital Signal Processing, Spatial Data Analysis, Medical Imaging, Spatial Analysis, Mathematical Software, Scientific Visualization, Algorithms
★ 4.8 (58) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Portfolio Risk, Portfolio Management, Risk Modeling, Financial Data, Risk Analysis, Investment Management, Return On Investment, Time Series Analysis and Forecasting, Financial Modeling, Investments, Object Oriented Programming (OOP), Statistical Analysis, General Finance, Correlation Analysis, Simulations, Regression Analysis, Financial Forecasting, Simulation and Simulation Software, Jupyter, Python Programming
★ 4.5 (12) · Intermediate · Course · 3 - 6 Months

Board Infinity
★ 4 (50) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Continuous Integration, Database Development, Cloud Deployment, Application Security, Java, Containerization, Spring Framework, SQL, NoSQL, Docker (Software), Kubernetes, Test Driven Development (TDD), Object Oriented Design
★ 4.5 (51) · Beginner · Specialization · 1 - 3 Months