IT courses can help you learn programming languages like Python and Java, database management, networking fundamentals, and cybersecurity principles. You can build skills in troubleshooting, system administration, and software development methodologies. Many courses introduce tools such as Git for version control, SQL for database queries, and cloud platforms like AWS or Azure, showing how these skills are applied in real-world IT environments.

University of California San Diego
Skills you'll gain: Water Resources, Water Quality, Hazard Analysis, Pollution Prevention, Food Safety and Sanitation, Food and Beverage, Environmental Issue, Laboratory Testing, Environmental Monitoring, Public Health, Microbiology, Analytical Testing, Analytical Chemistry, Environmental Science, Biochemistry, Biochemical Assays
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Business Intelligence, Data-Driven Decision-Making, Business Intelligence Software, Data Modeling, Microsoft Power Platform, Snowflake Schema, Data Transformation, Extract, Transform, Load, Data Storytelling, Data Strategy, Data Integration, Data Cleansing, Process Improvement and Optimization, Data Analysis, Data Management, Data Governance, Data Quality, Relationship Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microservices, Node.JS, Cloud Deployment, API Gateway, Application Deployment, Software Architecture, Cloud Applications, Application Design, Restful API, Communication Systems
Mixed · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Application Development, Application Deployment, Generative AI Agents, Large Language Modeling, Software Development Tools, LLM Application, AI literacy, IntelliJ IDEA, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Code Review, Software Development, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Prompt Engineering, ChatGPT, Security Testing, Exploit development, Responsible AI, API Testing, AI Integrations, Data Ethics, Penetration Testing, OpenAI, Exploitation techniques, Vulnerability Scanning, Generative AI
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Accounting Records, Billing, Excel Formulas, Spreadsheet Software, Tax Compliance, Payment Processing and Collection, Tax Management, Microsoft Excel, Regulation and Legal Compliance, Sales Tax, Regulatory Requirements, Automation
Beginner · Course · 1 - 4 Weeks
Codio
Skills you'll gain: Matplotlib, Version Control, Text Mining, GitHub, Large Language Modeling, Django (Web Framework), Git (Version Control System), Package and Software Management, Platform As A Service (PaaS), Plot (Graphics), Application Deployment, Object-Relational Mapping, Hugging Face, Natural Language Processing, Data Visualization Software, Unit Testing, Statistical Visualization, Development Environment, Virtual Environment, Python Programming
Intermediate · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: TypeScript, Javascript, Functional Design, Code Reusability, Object Oriented Programming (OOP), Programming Principles, Web Development Tools, Data Structures, Development Environment, Maintainability, Enterprise Application Management
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Platform, No-Code Development, Data Integration, HTML and CSS, UI Components, Web Content, Web Design and Development, File Management
Beginner · Guided Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: Research Design, Research Methodologies, Science and Research, Social Sciences, Surveys, Qualitative Research, Institutional Review Board (IRB), Survey Creation, Statistical Analysis, Data Collection, Higher Education, Correlation Analysis, Sample Size Determination, Ethical Standards And Conduct, Academic Advising, Probability & Statistics, Regression Analysis, Informed Consent
Beginner · Course · 1 - 3 Months