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 Colorado Boulder
Skills you'll gain: Environment, Human Development, Molecular Biology, Life Sciences, Environmental Science, Biology, Cell Biology, Biochemistry, Molecular, Cellular, and Microbiology, Environmental Issue, Environment and Resource Management, Natural Resource Management, Child Development, Food and Beverage, General Science and Research, Sustainable Systems, Sustainable Development, Chemistry, Music, Decision Making
★ 4.5 (405) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: SketchUp (3D Modeling Software), 3D Modeling, Architectural Design, Visualization (Computer Graphics), Computer Graphic Techniques, Layout Design
★ 4.5 (17) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Graphics, Software Architecture, Development Environment, Software Design, Maintainability, Software Visualization, Systems Architecture, Software Design Patterns, Code Reusability, Graphics Software, Visualization (Computer Graphics), Systems Design, Cross Platform Development, Computer Graphic Techniques, Image Quality, System Design and Implementation, Video Game Development, Dataflow, Performance Tuning, Scalability
★ 4.7 (16) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Field-Programmable Gate Array (FPGA), Computational Logic, Computer Architecture, Hardware Design, Hardware Architecture, Memory Management, Electronics, Electronic Systems, Electronic Components, Diagram Design, Data Storage, Data Storage Technologies, Algorithms
★ 4.5 (143) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Network Model, Python Programming, Data Manipulation, Memory Management, Algorithms, Debugging, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Border Gateway Protocol, Virtual Local Area Network (VLAN), Dynamic Host Configuration Protocol (DHCP), Open Shortest Path First (OSPF), Routing Protocols, Network Monitoring, Network Troubleshooting, Network Performance Management, Firewall, Network Routing, Network Routers, System Monitoring, Virtual Networking, Network Switches, Network Security, Local Area Networks, TCP/IP, Network Administration, Virtual Private Networks (VPN), Network Infrastructure
Intermediate · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Community Organizing, Community Development, Leadership Studies, Ethical Standards And Conduct, Strategic Leadership, Team Building, Organizational Leadership, Leadership Development, Complex Problem Solving, Adaptability, Professional Development, Systems Thinking, Leadership, Resourcefulness, Problem Solving, Risk Management, Dealing With Ambiguity, Self-Awareness, Emotional Intelligence, Mindfulness
★ 4.9 (1.9K) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Quality Assurance, Software Quality Assurance, Test Tools, Test Planning, Test Case, Software Quality (SQA/SQC), Test Automation, Continuous Integration, Code Coverage, DevOps, Collaborative Software, Software Testing, Risk Analysis, Agile Methodology, Issue Tracking, Automation
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Docker (Software), Containerization, Application Deployment, Data Persistence, Software Development, Virtualization, Application Security, Virtual Networking, Virtualization and Virtual Machines, Command-Line Interface
★ 3.3 (9) · Beginner · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: SQL, Linux, Endpoint Security, Database Management, Incident Response, Relational Databases, Network Security, Database Systems, Vulnerability Scanning, Computer Security Incident Management, Security Management, Databases, Linux Administration, File Systems, Routing Protocols, OSI Models, Application Development, Remote Access Systems, Scripting, Scripting Languages
★ 4.6 (372) · Beginner · Professional Certificate · 3 - 6 Months

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java Programming, Java, Enterprise Architecture, Enterprise Application Management, Secure Coding, Software Design, System Monitoring, Security Controls, Software Architecture, Application Security, Application Frameworks, Web Applications, OS Process Management, Memory Management, Data Sharing
★ 3.9 (14) · Intermediate · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Report Writing, Operations Research, Research Reports, Applied Mathematics, Mathematical Modeling, Algorithms, Operational Analysis, Model Optimization, Business Modeling, Process Optimization, Project Design, Business Operations, Data Visualization, Complex Problem Solving, Decision Making, Performance Metric, Business Analytics
Advanced · Course · 1 - 4 Weeks