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.

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, OAuth, Microservices, API Design, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Databases, MySQL Workbench, Server Side, Application Deployment, Javascript
Intermediate · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Derivatives, Credit Risk, Securities (Finance), Financial Market, Portfolio Risk, Capital Markets, Risk Modeling, Risk Management, Portfolio Management, Financial Modeling, Mathematical Modeling, Probability Distribution, Computer Programming
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, Continuous Monitoring, Secure Coding, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration, Incident Response
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Model Context Protocol, Agentic systems, Vector Databases, Retrieval-Augmented Generation, Prompt Engineering, Tool Calling, Google Gemini, Agentic Workflows, AI Workflows, Generative AI Agents, AI Orchestration, Server Side, Node.JS, MongoDB, Embeddings, Large Language Modeling, Natural Language Processing, Web Development, Machine Learning, Javascript
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Performance Tuning, Memory Management, System Programming, Hardware Architecture, Program Development, Computer Architecture, Performance Testing, Computer Hardware, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, Linux Commands, User Accounts, Operating System Administration, User Provisioning, OS Process Management, Bash (Scripting Language), Command-Line Interface, File Management, Unix Shell, Shell Script, Identity and Access Management, File Systems, System Monitoring, System Support, Network Administration, General Networking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Supervised Learning, Model Evaluation, Classification Algorithms, Model Training, Machine Learning Methods, Applied Machine Learning, Matlab, Statistical Machine Learning, Regression Analysis, Model Optimization, Data Preprocessing, Predictive Modeling, Machine Learning, Feature Engineering, Data Validation
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Visualization Software, Process Development, Tableau Software, Financial Modeling, Data Presentation, Dashboard Creation, Business Process, Peer Review, Presentations, Property Management, Data Analysis, MySQL, Revenue Management, Financial Data, Risk Analysis, Property and Real Estate, Real Estate, Financial Analysis, Microsoft Excel, SQL
Mixed · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Bayesian Network, Computational Logic, Markov Model, Artificial Intelligence, Game Theory, Theoretical Computer Science, Python Programming, Deductive Reasoning, Decision Intelligence, Probability, Verification And Validation
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Responsive Web Design, Git (Version Control System), Web Development, Cascading Style Sheets (CSS), Data Persistence, React.js, Version Control, Performance Tuning, Full-Stack Web Development, GitHub, Event-Driven Programming, HTML and CSS, Application Design, Development Testing, Software Design Documents, Video Game Development, Game Design, Program Development, Software Testing, Javascript
Beginner · Professional Certificate · 3 - 6 Months

Illinois Tech
Skills you'll gain: Database Design, Database Systems, Relational Databases, Database Software, Databases, Database Application, NoSQL, Database Management Systems, Database Management, Database Development, Machine Learning Algorithms, SQL, Big Data, Model Evaluation, Apache Hadoop, MySQL, Statistical Analysis, Database Theory, Data Analysis, Data Preprocessing
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Michigan State University
Skills you'll gain: Unity Engine, Game Design, Video Game Development, Animation and Game Design, User Interface (UI), User Interface and User Experience (UI/UX) Design, Experience Design, Storytelling, User Experience Design, C# (Programming Language), Animations, Scripting
Intermediate · Course · 1 - 4 Weeks