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.

Universidad de los Andes
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Design and Development, UI Components, Web Development, Web Design, Front-End Web Development, Web Applications, Typography
★ 4.6 (182) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Gherkin (Scripting Language), Test Tools, Behavior-Driven Development, Test Automation, Unit Testing, Software Testing, Development Testing, Test Case, Software Engineering Tools, Test Data, Code Coverage, Scenario Testing, Restful API, Mockups, Microservices
★ 4.8 (252) · Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Image Analysis, Image Quality, Matlab, Computer Vision, Geospatial Information and Technology, Environmental Monitoring, Quantitative Research, Mathematical Software, Data Import/Export, File Management
★ 4.8 (214) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Disabilities, Web Content Accessibility Guidelines, Education and Training, Multimedia, Educational Materials, Adaptive Equipment, Pedagogy, Hypertext Markup Language (HTML), Developmental Disabilities, Instructional Design, Visual Impairment Education, Diversity Awareness, Labor Law, Law, Regulation, and Compliance, Family and Medical Leave Act of 1993, Microsoft Office
★ 4.6 (253) · Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Java Programming, Dataflow, Java, Distributed Computing, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Functional Design, Scalability
★ 4.6 (1.2K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Model Evaluation, Supervised Learning, Generative Model Architectures, AWS SageMaker, Recurrent Neural Networks (RNNs), Unsupervised Learning, Data Preprocessing, Large Language Modeling, Time Series Analysis and Forecasting, LLM Application, Applied Machine Learning, Model Optimization, Deep Learning, A/B Testing, Python Programming, Machine Learning, Data Analysis, AWS CloudFormation, AI Personalization
★ 3.9 (44) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Image Analysis, Image Quality, Matlab, Computer Vision, File I/O, Automation, Digital Signal Processing, Anomaly Detection, Spatial Data Analysis, Geospatial Information and Technology, Engineering Practices, Medical Imaging, Spatial Analysis, Mathematical Software, Data Preprocessing, File Management, Quantitative Research, Scientific Visualization, Data Import/Export, Algorithms
★ 4.7 (262) · Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Application Security, Security Testing, Cyber Security Assessment, Vulnerability Scanning, Brute-force attacks, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Memory Management, Amazon Web Services, SQL, Amazon Elastic Compute Cloud, Operating Systems, Data Validation
★ 4 (279) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, Data Collection, Microsoft Visual Studio, Program Development, C (Programming Language), Programming Principles, Algorithms, Microsoft Development Tools, Integrated Development Environments, Data Storage, Development Environment, Computer Programming, Mathematical Software
★ 4.6 (377) · Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: C and C++, Object Oriented Design, Object Oriented Programming (OOP), C (Programming Language), Programming Principles, Data Structures, Computer Programming, Algorithms, Maintainability, Memory Management
★ 4.9 (827) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Excel Macros, Visual Basic (Programming Language), Data Import/Export, Solution Design, Programming Principles, Spreadsheet Software, UI Components, User Interface (UI), Automation, Data Structures, File I/O, Data Validation, File Management
★ 4.9 (1.3K) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: SQL, Data Quality, Complex Problem Solving, Data Visualization, JSON, Query Languages, Business Metrics, Business Reporting, Data Validation, Data Cleansing, Data Presentation, Forecasting, Data Analysis, Predictive Analytics, Data Manipulation
★ 4 (27) · Intermediate · Course · 1 - 4 Weeks