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: Statistical Machine Learning, Data Preprocessing, Model Evaluation, PyTorch (Machine Learning Library), Statistical Methods, Probability, Probability & Statistics, Sampling (Statistics), Logistic Regression, Deep Learning, Probability Distribution, Python Programming, Statistical Modeling, Supervised Learning, Machine Learning, Agentic systems, Artificial Intelligence, Model Optimization, Algorithms, AI literacy
★ 4.5 (57) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Application Security, Security Testing, Vulnerability Scanning, Cyber Security Assessment, 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 Boulder
Skills you'll gain: Simulation and Simulation Software, Simulations, Mathematical Modeling, Electrical Engineering, Power Electronics, Electronic Components, Electric Power Systems, Matlab, Model Evaluation, Model Optimization, Electrical Systems, Engineering Calculations, Laboratory Testing, Mathematical Software, Laboratory Research, Estimation
★ 4.7 (554) · Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Game Design, Human Computer Interaction, Program Development, Code Reusability, Python Programming, Programming Principles, Computer Programming, Mathematical Software, Data Analysis
★ 4.7 (291) · Beginner · Guided Project · Less Than 2 Hours

Universidades Anáhuac
Skills you'll gain: ChatGPT, Responsible AI, Generative AI, AI Integrations, Digital pedagogy, AI literacy, Artificial Intelligence, AI Personalization, AI Security, Natural Language Processing
★ 4.9 (734) · Beginner · Course · 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
★ 2.7 (150) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Statistical Hypothesis Testing, Statistical Analysis, SAS (Software), Correlation Analysis, Statistical Software, Statistical Modeling, Regression Analysis, Exploratory Data Analysis, Statistical Methods, Statistical Inference, Probability & Statistics, Analysis, Graphical Tools, Predictive Modeling, Predictive Analytics, Model Evaluation
★ 4.7 (176) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Elicitation, Software Design Documents, Requirements Analysis, Mockups, Security Requirements Analysis, Interviewing Skills, User Requirements Documents, Systems Development Life Cycle, Data Flow Diagrams (DFDs), Storyboarding, Functional Requirement, Goal Setting, Software Development Methodologies, Software Documentation, Diagram Design, Agile Methodology, Product Requirements, Unified Modeling Language, Risk Management Framework, Risking
★ 4.5 (857) · Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Development Tools, Browser Compatibility, Front-End Web Development, Application Deployment, Web Design and Development, Web Development, Computer Programming Tools, Animations, Development Environment, Software Development Tools, UI Components, Javascript, Maintainability, User Interface (UI)
★ 4.6 (250) · Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Security Strategy, Security Testing, Data Security, Application Security, Exploitation techniques, Software Design, C and C++, Linux Administration, System Design and Implementation, Java, Programming Principles, Cybersecurity
★ 4.5 (617) · Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Pseudocode, C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Object Oriented Design, File I/O, Integrated Development Environments, Computer Programming, Development Environment, Programming Principles, Data Structures, Program Development, Algorithms, Interactive Design, Data Modeling, FinTech, Application Development, Software Engineering, Test Data, Verification And Validation
★ 4.7 (262) · Intermediate · Specialization · 1 - 3 Months