Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

John Wiley & Sons
Skills you'll gain: Shell Script, Unix Shell, Bash (Scripting Language), Vulnerability Assessments, Linux, Linux Commands, Vulnerability Scanning, Linux Administration, System Monitoring, Continuous Monitoring, Security Testing, Scripting Languages, Security Management, Security Requirements Analysis, Computer Security Incident Management, Unix Commands, Scripting, Software Development Tools, Cyber Security Policies, Operating System Administration
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Patient Evaluation, Pharmacology, Airway Management, Cardiology, Medication Administration, Pharmacotherapy, Medical Emergency, Emergency Medical Services, Emergency Medicine, Respiratory Care, Neurology, Clinical Assessment, Respiratory Therapy, Health Assessment, Mental Status Examination, Respiration, Patient Treatment, Oxygen Therapy, Endocrinology, Anatomy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Network Troubleshooting, Technical Support, Computer Hardware, Problem Management, Generative AI, Debugging, Technical Communication, Network Monitoring, Network Performance Management, Microsoft Windows, System Monitoring, Operating Systems, Mac OS, Technical Documentation
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Scope Management, Work Breakdown Structure, Project Scoping, Feasibility Studies, Project Management Life Cycle, Contract Management, Project Management, Change Management, Claims Processing, Project Planning, Organizational Structure, Legal Risk, Bidding
Intermediate · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, FinTech, Market Trend, Cryptography, Digital Assets, Payment Systems, Financial Market, Cryptographic Protocols, Financial Systems, Key Management, Financial Services, Market Analysis, Technical Standard
Intermediate · Course · 1 - 3 Months

Sage Publications
Skills you'll gain: Surveys, Research Design, Research Methodologies, Research, Survey Creation, Intercultural Competence, Experimentation, Case Studies, Business Research, Business Management, Culture, Cultural Diversity, Analysis, Qualitative Research, Cross-Functional Team Leadership, Organizational Leadership, Leadership and Management, Organizational Development, Critical Thinking, Talent Management
Intermediate · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Performance Metric, Process Improvement, Change Management, Key Performance Indicators (KPIs), Recruitment, Performance Improvement, Performance Reporting, Performance Analysis, Performance Measurement, Business Metrics, Talent Acquisition, Recruitment Strategies, Continuous Improvement Process, Benchmarking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Hardware Architecture, Software Installation, Microarchitecture, Computer Architecture, Desktop Support, IT Infrastructure, Data Storage Technologies, System Configuration, Data Storage, Information Technology, Memory Management
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Linux, Network Security, Cyber Governance, IT Security Architecture, OSI Models, Incident Management, Computer Security Incident Management, Incident Response, Security Management, Linux Commands, TCP/IP, Computer Systems, Threat Modeling, Command-Line Interface, Network Protocols, Cybersecurity, Computer Networking, Human Factors (Security), Cyber Threat Intelligence, Cyber Attacks
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Statistical Analysis, Regression Analysis, Sampling (Statistics), Statistical Modeling, Statistical Methods, Mathematical Modeling, Data Transformation, Probability Distribution, Logistic Regression
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Language Competency, English Language, Language Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Anthropic Claude, Claude Code, AI Workflows, Prompt Engineering Tools, Agentic Workflows, AI Orchestration, Model Context Protocol, Presentations, Excel Formulas, Business Process Automation, Microsoft PowerPoint, Spreadsheet Software, Data Presentation, Financial Data, Tool Calling, Productivity Software, Automation, Financial Modeling, Workflow Management
Intermediate · Course · 1 - 3 Months