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.

Howard University
Skills you'll gain: Data Wrangling, Linear Algebra, Regression Analysis, Data Manipulation, Predictive Modeling, Dimensionality Reduction, Data Science, Data Visualization, Applied Mathematics, Plot (Graphics), Mathematical Modeling, Scientific Visualization, Data Preprocessing, NumPy, Predictive Analytics, Statistical Modeling, Mathematical Software, Statistical Methods, Algebra, Python Programming
★ 4.3 (33) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Validation, Data Integrity, Hypertext Markup Language (HTML), Verification And Validation, Scripting, Javascript, Web Applications
★ 4.7 (19) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Machine Learning Methods, Matlab, Transfer Learning, Traffic Flow Optimization
★ 4.7 (36) · Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Scalability, Distributed Computing, Dataflow, Event-Driven Programming, Microservices, System Design and Implementation, Software Architecture, Data Pipelines, Software Design Patterns, Software Design, Functional Design, Cloud Computing
★ 3.9 (31) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: GitHub, Responsive Web Design, React.js, Front-End Web Development, Git (Version Control System), HTML and CSS, Version Control, Hypertext Markup Language (HTML), Web Development, Frontend Integration, Web Design, Web Components, UI Components, Code Review, Web Applications, Cascading Style Sheets (CSS), Web Analytics and SEO, Figma (Design Software), Mockups, Software Development
★ 4.6 (58) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Applied Machine Learning, Jupyter, Data Processing, Predictive Modeling, Machine Learning, Model Training, Data Manipulation, Data Preprocessing, Data Science, Model Evaluation, Model Optimization, Data Analysis, Python Programming
★ 4.7 (112) · Intermediate · Guided Project · Less Than 2 Hours

Pontificia Universidad Católica de Chile
Skills you'll gain: Data Visualization, Descriptive Analytics, Data-Driven Decision-Making, Data Analysis, Data Visualization Software, Predictive Analytics, Predictive Modeling, Analytics, Database Management, Data Science, Advanced Analytics, Relational Databases, Data Processing, Forecasting, Python Programming
★ 3.8 (72) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Data Storytelling, Data Presentation, Feature Engineering, Data Visualization Software, Unsupervised Learning, SQL, Data Analysis, Model Evaluation, Seaborn, Data Visualization, Tableau Software, Predictive Modeling, Exploratory Data Analysis, Predictive Analytics, Analytics, Presentations, Database Management, Advanced Analytics, Data Science, Machine Learning
★ 4.5 (6) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Spring Boot, React.js, Spring Framework, Object-Relational Mapping, Frontend Integration, Restful API, YAML, Data Access, Database Application, Data Persistence, Web Applications, JavaScript Frameworks, Back-End Web Development, Databases, Application Performance Management, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Load Balancing, Scalability, Performance Tuning, Software Architecture, Microsoft Copilot, Application Design, Query Languages, AI Integrations, Software Design Patterns, Performance Testing, Application Performance Management, Distributed Computing, Database Management, SQL, Memory Management
★ 4.8 (14) · Beginner · Course · 1 - 4 Weeks

Nikolai Schuler
Skills you'll gain: Data Warehousing, Data Transformation, Extract, Transform, Load, Data Infrastructure, Database Software, Data Import/Export, Database Management Systems, Query Languages, SQL, Cloud Computing Architecture, Data Management, Data Manipulation, Amazon S3, Data Analysis
★ 4.5 (31) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Microsoft SQL Servers, C# (Programming Language), Web Services, Database Management, Database Development, JSON, Back-End Web Development, SQL, Database Design, Server Side, .NET Framework, Object Oriented Programming (OOP), Application Programming Interface (API), API Design, Database Architecture and Administration, Programming Principles
★ 4.1 (14) · Intermediate · Course · 1 - 4 Weeks