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 California San Diego
Skills you'll gain: Algorithms, Network Routing, Network Model, Graph Theory, Advanced Mathematics, Operations Research, Theoretical Computer Science, Network Analysis, Machine Learning Algorithms, Data Structures, Computational Thinking, Linear Algebra, Computer Science, Big Data, Python Programming, Model Optimization
★ 4.6 (703) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Web Scraping, Database Management, Databases, Unit Testing, Data Transformation, Data Access, Package and Software Management, Application Programming Interface (API), Data Integration, Data Wrangling, Integrated Development Environments, Data Pipelines, Maintainability, Python Programming, Programming Principles, Hypertext Markup Language (HTML), Style Guides
★ 4.6 (861) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cucumber (Software), Software Testing, Selenium (Software), Gherkin (Scripting Language), JUnit, Verification And Validation, Test Automation, Unit Testing, Security Testing, Regression Testing, Test Case, Software Development Tools, Testability, White-Box Testing, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing, Test Engineering
★ 4.2 (1K) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Application Deployment, Cloud Deployment, Docker (Software), Containerization, Continuous Deployment, DevOps, API Testing, CI/CD, Kubernetes, Model Evaluation, Test Tools, Applied Machine Learning, Data Validation, Application Programming Interface (API), API Design, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Python Programming
Beginner · Course · 1 - 4 Weeks

Chegg Skills
Skills you'll gain: Prompt Engineering, Business Analytics, Server Side, Development Environment, Analytics, Responsible AI, Decision Support Systems, Pseudocode, Back-End Web Development, Data Literacy, Business Intelligence, Python Programming, Data Analysis, Web Development, Programming Principles, Data-Driven Decision-Making, Artificial Intelligence, Generative AI, Problem Solving, Critical Thinking
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Surveys, Survey Creation, Research Methodologies, Statistical Analysis, Data Analysis Software, Data Collection, Statistical Software, Interviewing Skills, Research Design, STATA (Software), R (Software), Data Integration, Data Validation, Data Ethics, Data Analysis, Stata, Statistical Programming, R Programming
★ 4.4 (1.5K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Front-End Web Development, Git (Version Control System), Web Content Accessibility Guidelines, User Interface and User Experience (UI/UX) Design, HTML and CSS, UI/UX Strategy, Cascading Style Sheets (CSS), React.js, Code Review, Version Control, Usability, User Interface (UI), Usability Testing, User Interface (UI) Design, Software Technical Review, Web Applications, Hypertext Markup Language (HTML), Semantic Web, Javascript
★ 4.6 (467) · Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Logistic Regression, Forecasting, Statistical Methods, Exercise Science, Regression Analysis, Plot (Graphics), Data Cleansing, Scikit Learn (Machine Learning Library), Supervised Learning, Data Processing, Statistical Hypothesis Testing, Correlation Analysis, Predictive Analytics, Applied Machine Learning, Injury Prevention, Athletic Training, Analytics, People Analytics, Data Analysis, Python Programming
★ 4.5 (284) · Intermediate · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Retrieval-Augmented Generation, Generative AI Agents, Agentic systems, Agentic Workflows, Artificial Intelligence, OpenAI, Prompt Engineering, AI literacy, ChatGPT, LLM Application, Prompt Patterns, Context Engineering, Decision Intelligence, Tool Calling, Interaction Design, Multimodal Prompts, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Graph Theory, Data Structures, Operations Research, Quantum computing, Public Key Cryptography Standards (PKCS), Cryptography, Computational Thinking, Design Strategies, Cryptographic Protocols, Applied Mathematics, Tree Maps, Encryption, Network Model, Combinatorics, Data Science, Mathematical Software, Computer Science, Python Programming
★ 4.7 (978) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Data Lakes, Data Migration, DevOps, Dataflow, Cloud Management, CI/CD, Data Pipelines, Cloud Storage, Cloud Security, Cloud Computing, Cloud Engineering, Redis, Big Data, Data Management, Database Management, Google Analytics, Analytics, SQL, Query Languages
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Threat Detection, Cybersecurity, Network Security, Cyber Security Strategy, System Monitoring, Cyber Operations, Threat Management, Continuous Monitoring, Exploitation techniques, Penetration Testing, Cyber Attacks, Data Persistence, Scripting, IT Automation, Network Monitoring, Persistence, Python Programming, Data Access, Computer Programming
★ 4.5 (560) · Intermediate · Specialization · 3 - 6 Months