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.

LearnQuest
Skills you'll gain: Image Analysis, Exploratory Data Analysis, Time Series Analysis and Forecasting, Data Wrangling, Model Evaluation, Data Preprocessing, Operations Research, Model Training, NumPy, Demand Planning, Feature Engineering, Supervised Learning, Supply Chain, Applied Machine Learning, Inventory Management, Trend Analysis, Data Visualization, Machine Learning, Data Science, Data Analysis
★ 3.4 (87) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Attacks, Endpoint Security, Infrastructure Security, Cloud Infrastructure
★ 4.9 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Remote Access Systems, Mobile Security, Technical Support and Services, Information Technology Operations, Technical Support, Responsible AI, Help Desk Support, Network Support, Operating System Administration, Hardening, Network Troubleshooting, Microsoft Windows, Scripting, Disaster Recovery, Computer Security Incident Management, Electrical Safety, Network Security, Network Routers, Security Management, Operating Systems
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Javascript, React.js, Debugging, Integrated Development Environments
★ 4.6 (23) · Intermediate · Guided Project · Less Than 2 Hours

L&T EduTech
Skills you'll gain: Autodesk Revit, Design Reviews, Building Information Modeling, Visualization (Computer Graphics), Construction Management, Augmented and Virtual Reality (AR/VR), Construction, Virtual Reality, Engineering Analysis, Construction Estimating, Facility Management and Maintenance, Autodesk, Collaborative Software, Structural Analysis, Emerging Technologies, Drafting and Engineering Design, Coordination, Computer-Aided Design, 3D Modeling, Structural Engineering
★ 4.6 (176) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Leaflet (Software), Plotly, Interactive Data Visualization, Data Presentation, Data Visualization Software, R (Software), R Programming, Statistical Reporting, Application Development, Software Documentation, Web Applications, Hypertext Markup Language (HTML), Package and Software Management
★ 4.6 (2.3K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Restful API, Model View Controller, ASP.NET, OAuth, API Design, Web Development, Application Programming Interface (API), .NET Framework, Web Services, Authentications, Unit Testing, Back-End Web Development, C# (Programming Language), Web Applications, Object-Relational Mapping, Application Frameworks, API Testing, Authorization (Computing), Cloud Computing, Computer Programming
★ 4.7 (38) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Analysis, Security Requirements Analysis, Requirements Elicitation, Goal Setting, User Requirements Documents, Unified Modeling Language, Meeting Facilitation, Conflict Management, Discussion Facilitation, Risk Management Framework, Analysis, Negotiation, Security Awareness
★ 4.7 (66) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Networking Hardware, Network Infrastructure, Network Routers, Network Switches, Network Architecture, Internet Of Things, General Networking, Network Administration, Infrastructure Security, Network Planning And Design, Network Security, Cloud-Based Integration, System Implementation, Cloud Computing
★ 4.7 (36) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Git (Version Control System), GitHub, Version Control, Continuous Integration, Software Versioning, Collaborative Software, Software Configuration Management, Code Review, Issue Tracking, Command-Line Interface, Software Installation
★ 4.8 (8K) · Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Swift Programming, Apple iOS, iOS Development, User Interface and User Experience (UI/UX) Design, User Interface (UI), Git (Version Control System), User Interface (UI) Design, Version Control, Mobile Development, User Experience, Wireframing, UI Components, Application Development, Application Design, Apple software proficiency, Knowledge of Apple Software, Data Management, Software Architecture
★ 4.3 (35) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Generative AI, Generative Model Architectures, Large Language Modeling, AI Product Strategy, AI literacy, Responsible AI, Unstructured Data, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Machine Learning, Business Solutions, Data Access, Data Quality
★ 4.4 (16) · Beginner · Course · 1 - 4 Weeks