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: Kubernetes, Cloud-Native Computing, Google Cloud Platform, Data Persistence, Scalability, Data Storage, Application Deployment, Containerization, Cloud Storage, Load Balancing, Cloud Security, General Networking, Authentications, Configuration Management
★ 4.9 (7) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Command-Line Interface, Other Programming Languages, Package and Software Management, Memory Management, Go (Programming Language), Programming Principles, Program Development, C (Programming Language), Secure Coding, Software Development, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cryptography, Security Strategy, Cyber Threat Intelligence, Network Security, Encryption, Cyber Security Strategy, Cybersecurity, Cryptographic Protocols, Threat Detection, Threat Management, Cyber Attacks, IT Security Architecture, Computer Security, Application Security, Security Controls, Malware Protection, Information Systems Security, Cyber Security Policies, Authentications, Security Management
★ 4.8 (321) · Beginner · Course · 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 (83) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Typography, Color Matching, AI powered creativity, Adobe Creative Cloud, Graphical Tools, Creative Design, Graphics Software
★ 5 (15) · Beginner · Course · 1 - 4 Weeks

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

Johns Hopkins University
Skills you'll gain: Research Design, Institutional Review Board (IRB), Science and Research, Laboratory Research, Research Methodologies, Research, Consumer Behaviour, Sensory Systems Analysis, Influencing, Marketing Psychology, Case Studies, Persuasive Communication, Statistical Analysis, Ethical Standards And Conduct, Data Analysis, Data Collection, Advertising, Marketing Communications, Experimentation, Decision Making
★ 4.5 (49) · Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Network Security, Secure Coding, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Key Management, Vulnerability Assessments, Authorization (Computing), Code Review, Dependency Analysis
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Flask (Web Framework), Application Frameworks, Back-End Web Development, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: GitHub Copilot
Intermediate · Course · 3 - 6 Months

Skills you'll gain: PHP (Scripting Language), Information Architecture, Cascading Style Sheets (CSS), Web Applications, HTML and CSS, Hypertext Markup Language (HTML), Verification And Validation, Server Side, Semantic Web, Web Development, Web Design and Development, Web Design, Development Testing, Web Servers, Scripting, Extensible Languages and XML, Web Frameworks, UI Components, Scripting Languages, Front-End Web Development
★ 4.7 (24) · Beginner · Specialization · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Network Analysis, Social Network Analysis, Data Visualization, Scientific Visualization, Graphing, Graph Theory, Exploratory Data Analysis, Environmental Science, R (Software), Data Analysis, Descriptive Statistics, R Programming, Data Science
★ 5 (37) · Beginner · Course · 1 - 4 Weeks