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: Microsoft Azure, C# (Programming Language), Cloud Storage, Cloud Development, Cloud Applications, Distributed Computing, Data Storage Technologies, Communication Systems, Event-Driven Programming, Data Storage, Communication, Data Management
★ 4.6 (39) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Google Analytics, Web Analytics and SEO, Statistical Reporting, Data-Driven Marketing, Analytics, Data Analysis, User Accounts
★ 4.4 (1.5K) · Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Linux Administration, Red Hat Enterprise Linux, Linux, Package and Software Management, Linux Commands, Linux Servers, Unix Commands, Command-Line Interface, Systems Administration, Unix Shell, Network Troubleshooting, Operating Systems, Firewall, File Systems, Hardening, Authorization (Computing), IT Automation, Computer Networking, User Accounts, Network Protocols
Beginner · Specialization · 1 - 3 Months

American Museum of Natural History
Skills you'll gain: Physical Science, Environment, Hazard Analysis, Environmental Science, Biology, Scientific Methods, Science and Research
★ 4.7 (231) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Information Privacy, General Data Protection Regulation (GDPR), Personally Identifiable Information, Law, Regulation, and Compliance, Medical Privacy, Regulatory Compliance, Regulation and Legal Compliance, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Governance, Data Security, Legal Risk, Payment Card Industry (PCI) Data Security Standards, Data Sharing, Child Welfare, Informed Consent, Computer Security, Risk Management Framework
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe InDesign, Typography, Layout Design, Adobe Creative Cloud, Style Guides, Computer Graphic Techniques, Graphics Software, Automation, Creative Design, Design Software, Data Import/Export, Graphic and Visual Design, Graphic Design, Document Management, File Management
★ 4.4 (8) · Intermediate · Specialization · 1 - 3 Months

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, GitHub, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, User Experience Design, Usability, User Experience, Javascript, Web Content Accessibility Guidelines, Browser Compatibility, User Story, Web Design and Development, Front-End Web Development, GitHub Copilot, Mobile Development, Semantic Web, Git (Version Control System)
★ 4.7 (34) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: LangChain, Hugging Face, Prompt Engineering, Retrieval-Augmented Generation, Model Evaluation, Large Language Modeling, CrewAI, OpenAI API, Generative AI Agents, LLM Application, Vector Databases, Agentic Workflows, Tool Calling, ChatGPT, Responsible AI, Token Optimization, Embeddings, OpenAI, Generative AI, Python Programming
★ 4.4 (279) · Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Database Management, Relational Databases, MySQL, PHP (Scripting Language), SQL, Databases, Web Applications, Object Oriented Programming (OOP), Web Development, Hypertext Markup Language (HTML), Back-End Web Development, Data Access
★ 4.7 (26) · Intermediate · Guided Project · Less Than 2 Hours

Indian Institute of Technology Guwahati
Skills you'll gain: Sustainable Business, Sustainable Engineering, Product Design, Product Engineering, Product Development, Product Lifecycle Management, Product Strategy, Packaging and Labeling, Environmental Regulations, Sustainability Reporting, Product Improvement, Climate Change Mitigation, Corporate Sustainability, Industrial Design, Waste Minimization, Environmental Social And Corporate Governance (ESG), Environmental Science, Business Modeling, Pollution Prevention, Reverse Logistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Power BI, Databricks, Data Processing, Database Administration, Data Warehousing, Database Theory, Databases, Cloud Services, Data Architecture, NoSQL, Database Software, Relational Databases, Database Systems, Cloud Storage, Database Management Systems, MySQL, Data Store, SQL
★ 4.6 (926) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Kubernetes, Docker (Software), Network Troubleshooting, Containerization, Cloud Infrastructure, Application Deployment, Scalability, Virtual Networking, Role-Based Access Control (RBAC), Network Monitoring, System Monitoring, Configuration Management, Software Installation, Data Persistence
★ 3.1 (15) · Intermediate · Course · 1 - 3 Months