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.

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Computer Programming, Interactive Design, Program Development, Command-Line Interface
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Android Development, Mobile Development, Data Management, User Interface (UI), UI Components, Human Computer Interaction, Java Programming, System Programming, Network Model, Geographic Information Systems, Interactive Design, Animations, Computer Programming, Computer Graphics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Android Studio, Android Development, Android (Operating System), Mobile Development, Gradle, Application Development, Integrated Development Environments, Development Environment, Virtual Environment, Extensible Markup Language (XML), UI Components
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Artificial Intelligence, Responsible AI, Liberal Arts, Machine Learning, Social Sciences, Social Studies, Natural Language Processing, Deep Learning, Ethical Standards And Conduct, Emerging Technologies, Human Computer Interaction
Beginner · Course · 1 - 4 Weeks

Epic Games
Skills you'll gain: Unreal Engine, Virtual Environment, Version Control, 3D Assets, Video Game Development, Augmented and Virtual Reality (AR/VR), Game Design, Computer Graphics, User Interface (UI), Software Installation
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Application Security, Vulnerability Scanning, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Amazon Web Services, SQL, Amazon Elastic Compute Cloud, Operating Systems, C (Programming Language)
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Transformation, SQL, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Virtual Local Area Network (VLAN), Computer Displays, Peripheral Devices, TCP/IP, Display Devices, Local Area Networks, Networking Hardware, Dynamic Host Configuration Protocol (DHCP), General Networking, USB, Wireless Networks, Computer Networking, Network Routers, Network Infrastructure, Hardware Troubleshooting, Network Switches, Network Protocols, Computer Hardware
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Cloud Infrastructure, Cloud Services, Cloud Computing, Cloud Storage, Cloud Platforms, Infrastructure As A Service (IaaS), Middleware, Containerization, Data Storage Technologies, Virtualization, Virtual Machines, Cloud Applications, Amazon S3, Platform As A Service (PaaS)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Technical Support, Technical Support and Services, Hardware Troubleshooting, Cloud Computing, Desktop Support, Cloud Services, Cybersecurity, System Support, End User Training and Support, Cloud Storage, Network Troubleshooting, Cloud Security, Computer Hardware, Customer Service, General Networking, Data Storage, Issue Tracking, Operating Systems
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model View Controller, Swift Programming, iOS Development, Data Structures, Object Oriented Programming (OOP), Mobile Development, Programming Principles, Apple Xcode, Computer Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Electronics, Electronics Engineering, Hardware Design, Electrical Engineering, Schematic Diagrams, Electronic Components, Computer-Aided Design, Design Software, Engineering Documentation, Design Specifications, Open Source Technology
Intermediate · Course · 1 - 4 Weeks