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.

Skills you'll gain: R Programming, R (Software), Data Visualization, Statistical Programming, Time Series Analysis and Forecasting, Interactive Data Visualization, Data-Driven Decision-Making, Trend Analysis, Rmarkdown, Data Processing, Data Analysis, Predictive Modeling, Data Cleansing, Data Manipulation, Exploratory Data Analysis, Predictive Analytics, Revenue Management, Forecasting, Business Strategy, Machine Learning
★ 4.9 (12) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: .NET Framework, Web Development, Databases, Program Development, Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), User Experience, Virtual Reality, User Experience Design, UI/UX Strategy, User Interface and User Experience (UI/UX) Design, Experience Design, Usability, Human Computer Interaction, Virtual Environment, Interaction Design, User Interface (UI), Display Devices, User Research
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, Electronic Systems, Electrical Power, Electric Power Systems, Electrical Engineering, Electronics, Energy and Utilities, Simulation and Simulation Software, Simulations, Mathematical Modeling
★ 4.6 (34) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Administration, Virtual Local Area Network (VLAN), General Networking, Network Architecture, Virtual Networking, TCP/IP, Local Area Networks, Computer Networking, Command-Line Interface, Network Infrastructure, Wireless Networks, Network Security, Networking Hardware, Network Switches, Network Troubleshooting, Network Protocols, Threat Detection
★ 4.3 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, PostgreSQL, Data Manipulation
★ 4.6 (23) · Intermediate · Guided Project · Less Than 2 Hours

Dartmouth College
Skills you'll gain: Structural Analysis, Structural Engineering, Civil Engineering, Engineering Calculations, Engineering Analysis, Construction, Materials science, Mechanics, Engineering Design Process, Design
★ 4.8 (40) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Ethics, Interactive Learning, Big Data, Cybersecurity, Student Engagement, Pedagogy, General Networking, Blockchain, Digital pedagogy, Algorithms, Data Security, Teaching, digital literacy, Cryptography, Spatial Data Analysis, Technical Communication, Diversity Awareness, Education Software and Technology, Distributed Computing, Diversity Equity and Inclusion Initiatives
★ 4.6 (63) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Infographics, Data Presentation, Interactive Data Visualization, Data Visualization, Generative AI, AI Enablement, Analytics, Artificial Intelligence, Data Visualization Software, Data Analysis, Business Reporting, Data Science
Intermediate · Guided Project · Less Than 2 Hours

ISAE-SUPAERO
Skills you'll gain: Mechanical Engineering, Mechanics, Engineering Analysis, Engineering Calculations, Engineering, Mathematical Modeling, Physics
★ 4.7 (64) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), UI Components, Interactive Design, HTML and CSS, User Interface (UI), Responsive Web Design, Web Design, Code Reusability, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks