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.

Scrimba
Skills you'll gain: UI Components, React.js, Javascript, JavaScript Frameworks
★ 5 (6) · Intermediate · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Bioinformatics, Big Data, Data Mining, Data Analysis, Health Informatics, R (Software), Biostatistics, Medical Science and Research, Predictive Analytics, R Programming, Predictive Modeling, Statistical Programming, Statistical Analysis, Data Transformation, Data Cleansing, Molecular Biology, Feature Engineering, Data Preprocessing, Model Evaluation, Unsupervised Learning
★ 4.2 (287) · Advanced · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Blockchain, Emerging Technologies, FinTech, Cryptographic Protocols, Distributed Computing, Transaction Processing, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Modeling, Presentations, Diagram Design, Business Planning, Data Visualization, Entrepreneurship, Value Propositions, Brainstorming, New Business Development, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Code Reusability, Data Import/Export, Data Mapping, Computational Logic
★ 4.6 (11) · Mixed · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Database Design, Data Manipulation, SQL, Relational Databases, Database Management, Data Analysis, Database Development, Data Cleansing, Databases, Query Languages, Case Studies, MySQL Workbench, Data Integrity
★ 4.5 (57) · Beginner · Course · 1 - 3 Months
University of Leeds
Skills you'll gain: Engineering Management, Project Finance, Project Management, Stakeholder Management, Contract Management, Financial Analysis, Project Implementation, Capital Budgeting, Return On Investment, Cost Benefit Analysis, Finance, Governance, Risk Management, Cash Flows, Procurement, Case Studies
★ 4.7 (274) · Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Engineering Calculations, Structural Engineering, Structural Analysis, Construction Engineering, Civil Engineering, Construction, Engineering Analysis, Building Codes, Engineering Practices, Construction Inspection, Materials science, Civil and Architectural Engineering, Conceptual Design, Engineering Design Process, Engineering, Design Specifications, Maintenance, Repair, and Facility Services, Stormwater Management, Facility Repair And Maintenance, Finite Element Methods
★ 4.7 (26) · Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Aerospace Basic Quality System Standards, Basic Electrical Systems, Engineering Practices, Electronics, Electronics Engineering, System Monitoring, Control Systems, Electronic Systems, Electronic Components, Electrical Systems, Safety Assurance, Test Equipment, Global Positioning Systems, Display Devices, Communication Systems, Engineering, Analysis, Operations
★ 4.7 (80) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Javascript and jQuery, Extensible Markup Language (XML), Web Applications, Javascript, Event-Driven Programming, Network Protocols
★ 3.9 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe After Effects, Motion Graphics, Animations, Layout Design
★ 4.4 (7) · Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: GIS Software, Spatial Analysis, Geospatial Information and Technology, Geographic Information Systems, Spatial Data Analysis, Geospatial Mapping, Augmented Reality, Data Visualization Software, Data Mapping, Graphic and Visual Design, Color Theory, Database Management
★ 4.3 (43) · Beginner · Course · 1 - 3 Months