Theoretical computer science courses can help you learn algorithms, computational complexity, automata theory, and formal languages. You can build skills in problem-solving, mathematical reasoning, and algorithm analysis, that support tackling complex computational tasks. Many courses introduce tools like Python for algorithm implementation, LaTeX for typesetting mathematical documents, and software for simulating automata, allowing you to apply these concepts in practical scenarios.

Microsoft
Skills you'll gain: Star Schema, Power BI, Data Modeling, Data Analysis Expressions (DAX), Model Optimization, Snowflake Schema, Database Design, Performance Tuning, Data Analysis, Business Intelligence, Data Visualization, Time Series Analysis and Forecasting
Beginner · Course · 1 - 4 Weeks

Chegg Skills
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Fine-tuning, Large Language Modeling, Natural Language Processing, LLM Application, Generative AI Agents, Agentic Workflows, Decision Intelligence, Test Case, Agentic systems, User Interface (UI), Performance Testing, Model Training, Applied Machine Learning, Artificial Intelligence, Model Optimization, Machine Learning Algorithms, Classification Algorithms, Decision Support Systems, Model Evaluation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React Native, Mobile Development, iOS Development, Apple iOS, Android Development, Mobile Development Tools, UI Components, Cross Platform Development, React Redux, Application Development, React.js, Application Frameworks, Development Environment, Debugging, Context Management, Software Development, Data Persistence, Command-Line Interface, Data Validation
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software), JSON
Intermediate · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: Data Storytelling, Dashboard, Dashboard Creation, Business Analytics, Analytics, Social Network Analysis, Fraud detection, Data Analysis, Data Presentation, Business Intelligence, Marketing Analytics, Pandas (Python Package), Network Analysis, Analytical Skills, Interactive Data Visualization, Power BI, Plot (Graphics), Exploratory Data Analysis, Data Visualization, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unified Modeling Language, Visual Basic (Programming Language), Data Structures, Object Oriented Design, Microsoft Visual Studio, Program Development, Object Oriented Programming (OOP), Microsoft Development Tools, .NET Framework, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Operating Systems, File Systems, File Management, Computer Systems, Memory Management, System Software, OS Process Management, File I/O, Data Storage, Computer Hardware, Program Development, Peripheral Devices, System Design and Implementation, Algorithms
Mixed · Course · 1 - 3 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Model View Controller, Selenium (Software), Web Applications, Java, Java Programming, Data Access, Java Platform Enterprise Edition (J2EE), Agile Methodology, Web Development, Integration Testing, Software Testing, Agile Software Development, Test Automation, Functional Testing, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Climate Change Adaptation, Sustainable Development, Sustainable Systems, Social Justice, Socioeconomics, Environment and Resource Management, Climate Change Programs, Environmental Science, Economics, Policy, and Social Studies, Social Impact, Sustainability Standards, Innovation, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: User Interface (UI), Prototyping, Usability Testing, User Interface and User Experience (UI/UX) Design, Wireframing, Interactive Design, Interaction Design, User Experience Design, Figma (Design Software), Usability, User Interface (UI) Design, Mockups, Design Thinking, User Research, Design, Style Guides
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Web Design and Development, Javascript
Mixed · Course · 1 - 4 Weeks