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.

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Unit Testing, Software Configuration Management, Application Servers, Enterprise Application Management, Java, Software Design Patterns, Extensible Markup Language (XML), Dependency Analysis, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Apple iOS, Swift Programming, Apple Xcode, Mobile Development, Application Design, Application Development, User Interface (UI), Interaction Design, Animations, Computer Graphics, Persistence, Network Model, Data Storage
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Linux, Linux Commands, Linux Servers, Ubuntu, Linux Administration, File Management, Command-Line Interface, Unix Commands, Operating Systems, Web Servers, IT Automation, MySQL, Open Source Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Vulnerability Assessments, Open Web Application Security Project (OWASP), Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Threat Modeling, Cybersecurity, Malware Protection, Mobile Security, Cyber Threat Intelligence, Penetration Testing, Exploitation techniques, Network Security, Cryptography, Exploit development, Information Systems Security, Threat Detection, Intrusion Detection and Prevention, Cloud Security
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Adobe After Effects, Motion Graphics, Animations, Post-Production, Video Editing, 3D Assets, Timelines, Graphics Software, Color Theory, Image Quality, Typography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Deep Learning, Artificial Neural Networks, Computer Vision, Machine Learning Methods, Generative AI, Natural Language Processing, Scalability, Reinforcement Learning, Network Architecture, Performance Tuning
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: User Research, Persona (User Experience), User Experience, Verification And Validation, Usability Testing, User Centered Design, Human Computer Interaction, User Interface (UI) Design, Embedded Systems, Wireframing, Prototyping
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Ethics, Data Analysis, Analytics, Data-Driven Decision-Making, Google Sheets, Business Analytics, Spreadsheet Software, Analytical Skills, Tableau Software, Data Sharing, Data Collection, Data Cleansing, Data Processing, Data Visualization Software, Data Visualization, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Innovation, Product Management, New Product Development, Stakeholder Engagement, Competitive Analysis, Product Planning, Product Strategy, Business Development, Product Lifecycle Management, Market Analysis, Communication, Stakeholder Management, Strategic Communication, Team Building, Leadership
Beginner · Course · 1 - 3 Months

Skills you'll gain: Adobe Photoshop, Photo Editing, Photography, Graphics Software, Creative Design, Graphic Design, Image Quality, Creativity
Beginner · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: NoSQL, PostgreSQL, Database Architecture and Administration, Database Systems, Data Store, Scalability, Databases, Database Design, Relational Databases, SQL, Distributed Computing, Cloud Applications, JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, z/OS, Mainframe Computing, Relational Databases, File Management, Data Management, Databases, Data Storage, Programming Principles, Integrated Development Environments, Command-Line Interface, Computer Programming
Beginner · Course · 1 - 3 Months