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: Application Deployment, Continuous Deployment, Web Development Tools, Continuous Delivery, Web Frameworks, Release Management, No-Code Development, React.js, Vue.JS
Beginner · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Scripting, Matlab, Data Manipulation, Mathematical Modeling, Data Analysis, Programming Principles, Data Visualization, Data Visualization Software, Data Processing, Descriptive Statistics, Interactive Data Visualization, Exploratory Data Analysis, Data Mapping, Data Cleansing, Technical Communication
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Software Configuration Management, Embedded Software, Embedded Systems, Git (Version Control System), Build Tools, Software Development Tools, C (Programming Language), Development Environment, Software Design, Hardware Architecture, Cross Platform Development, Debugging
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Content, Web Design, Content Management, Web Design and Development, No-Code Development, Web Development, User Accounts, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Front-End Web Development, Application Programming Interface (API), Event-Driven Programming, Development Environment
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, Prompt Engineering, Microsoft 365, Microsoft Outlook, Productivity Software, Collaborative Software, Workflow Management, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Business Process Automation, Artificial Intelligence, Identity and Access Management, Data Security
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Relational Databases, Databases, Java, Web Servers, SQL, Stored Procedure, Authentications, Web Applications, Secure Coding, Middleware, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Data, Test Case, JSON, System Testing, Scenario Testing, Application Programming Interface (API), Mockups
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Power BI, Microsoft Copilot, Data Visualization Software, Data Modeling, Data Presentation, Interactive Data Visualization, Data Analysis, Microsoft Power Platform, Microsoft Azure, Data Manipulation, Data Transformation, Data Cleansing, Data Import/Export, Test Planning, Performance Tuning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Infographics, Data Visualization, Process Flow Diagrams, Presentations, Content Creation, Marketing Collateral, Graphic Design, Business Analytics
Beginner · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Validation, Document Management
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Database Architecture and Administration, Apache Hadoop, Query Languages, Big Data, Databases, SQL, Data Access, Distributed Computing, Performance Tuning, Data Processing, Data Integrity, Data Storage Technologies, Algorithms
Intermediate · Course · 1 - 4 Weeks