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.

University of Pennsylvania
Skills you'll gain: Agentic systems, Artificial Intelligence, Algorithms, AI literacy, Python Programming, Responsible AI
★ 4.3 (44) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, Programming Principles, Full-Stack Web Development, GitHub, Version Control, Code Reusability, Program Development, Debugging, Computational Thinking, Git (Version Control System), Diagram Design, Computer Programming, Algorithms, Web Development, Computational Logic, C# (Programming Language)
★ 4.7 (221) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Query Languages, Database Software, Data Access, Relational Databases
★ 4.7 (343) · Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Rust (Programming Language), Test Case, Memory Management, Development Testing, Software Testing, Data Structures, GitHub, Programming Principles, Package and Software Management, Development Environment, System Programming, Software Documentation
★ 4 (252) · Beginner · Course · 1 - 4 Weeks

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

Johns Hopkins University
Skills you'll gain: C and C++, C++ (Programming Language), Hardware Architecture, Programming Principles, Computer Architecture, OS Process Management, Data Access, Program Development, Algorithms, Python Programming, Data Sharing, Development Environment
★ 2.8 (151) · Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Model Optimization, Model Deployment, iOS Development, Apple iOS, Android Development, Tensorflow, Swift Programming, Model Training, Mobile Development, Embedded Systems, Computer Vision, Machine Learning
★ 4.7 (655) · Intermediate · Course · 1 - 4 Weeks

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Matlab, Mathematical Software, Mathematical Modeling, Simulation and Simulation Software, Differential Equations, Simulations, Statistical Modeling, Biochemistry, Biology, Cell Biology, Electrical Systems
★ 4.7 (223) · Mixed · Course · 1 - 3 Months

Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Finite Element Methods, Numerical Analysis, Engineering Analysis, Jupyter, Differential Equations, Applied Mathematics, Mathematical Software, Mathematical Modeling, Distributed Computing, Simulation and Simulation Software, Python Programming, Calculus, Mechanics, Vibrations, Simulations, Derivatives
★ 4.8 (392) · Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: IT Management, Technology Strategies, Information Technology, Business Strategy, Cyber Risk, Cyber Security Strategy, Design Thinking, Process Design, AI Enablement, Large Language Modeling, Threat Management, Cybersecurity, Business Modeling, Agile Methodology, Artificial Intelligence, Project Portfolio Management, Technical Communication, Customer experience improvement
★ 4.6 (677) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Make.com, Email Automation, DeepSeek API, Deepseek, Agentic Workflows, AI Workflows, User Interface (UI), LLM Application, AI Orchestration, AI Integrations, Human Computer Interaction, No-Code Development, Retrieval-Augmented Generation, AI Product Strategy, Automation, Application Programming Interface (API), Workflow Management, Natural Language Processing, Prompt Engineering, Debugging
★ 4.1 (66) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, HTML and CSS, Web Design and Development, Javascript, Web Applications, Web Presence, Front-End Web Development, Web Content, Responsive Web Design, Web Design
★ 4.3 (155) · Intermediate · Guided Project · Less Than 2 Hours