Critical thinking courses can help you learn logical reasoning, argument analysis, problem-solving techniques, and decision-making strategies. You can build skills in evaluating evidence, identifying biases, and constructing coherent arguments. Many courses introduce tools such as logic diagrams and critical analysis frameworks, which help you apply these skills in various contexts, from academic writing to everyday decision-making.

Skills you'll gain: Cloud Security, Intrusion Detection and Prevention, Email Security, Incident Response, Application Security, Computer Security Incident Management, Cyber Attacks, Infrastructure Security, Cyber Threat Intelligence, Threat Detection, Web Applications, Malware Protection, Network Security, Threat Management, Security Information and Event Management (SIEM), Network Monitoring, Data Security, Digital Forensics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Java, Object Oriented Programming (OOP), Issue Tracking, Gherkin (Scripting Language), Test Automation, Behavior-Driven Development, Test Execution Engine, Test Case, Debugging, Integration Testing, Data Structures
Intermediate · Course · 1 - 3 Months

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

The University of Notre Dame
Skills you'll gain: Communication Systems, Wireless Networks, Digital Communications, Telecommunications, General Networking, Digital Signal Processing, Electrical Engineering, Electronics, Reliability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Mathematical Software, Scripting Languages, Scripting, Statistical Analysis, Software Installation
Intermediate · Course · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Water Resource Management, Environmental Engineering, Water Quality, Natural Resource Management, Environmental Policy, Climate Change Adaptation, Environmental Regulations, Sustainable Development, Environment and Resource Management, Environmental Laws, Community Development, Governance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Responsible AI, Classification Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Private Equity, Loans, Investment Management, Equities, Case Studies, Performance Measurement, Investment Banking, Investments, Portfolio Management, Financial Market, Capital Markets, Performance Analysis, Mergers & Acquisitions, Resource Allocation, Financial Analysis, Asset Management, Market Liquidity, Entrepreneurial Finance, Derivatives, Business Valuation
Mixed · Course · 1 - 4 Weeks
University of Maryland, College Park
Skills you'll gain: Health Informatics, Public Health, Health Policy, Health Care Administration, Clinical Leadership, Informatics, Health Care, Health Systems, Data Integration, Health Technology, Data Analysis Software, Interoperability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Network Engineering, Software Development Tools, Restful API, Virtualization and Virtual Machines, Web Applications, TCP/IP, YAML, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scrum (Software Development), Agile Project Management, Agile Methodology, Sprint Planning, Sprint Retrospectives, Scalability, Coordinating, Program Management, Stakeholder Engagement, Influencing
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Engineering Management, Project Risk Management, Innovation, Risk Management, Project Management, Project Design, Project Management Life Cycle, Cost Management, Creativity, Planning, Organizational Structure, Project Planning, Creative Thinking, Budgeting, Work Breakdown Structure, Leadership and Management, Organizational Strategy, Agile Methodology, Resource Allocation
Beginner · Course · 1 - 3 Months