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.

Skills you'll gain: Networking Hardware, OSI Models, Network Architecture, Network Protocols, General Networking, Network Security, TCP/IP, Computer Networking, Cloud Technologies, Network Infrastructure, Network Administration, Local Area Networks, Cloud Platforms, Network Planning And Design, Routing Protocols, Cloud Infrastructure, Virtual Private Networks (VPN), Cloud Services, Telecommunications, Wireless Networks
★ 4.4 (13) · Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Learning Theory, Instructional Design, Digital pedagogy, Technology Solutions, Disabilities, Technology Strategies, Emerging Technologies
★ 4.5 (197) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Water Quality, Sanitation, Water Resources, Water Resource Management, Laboratory Testing, Microbiology, Sterilization, Environmental Engineering, Health Policy, Public Health and Disease Prevention, Public Health, Infectious Diseases, Governance, Epidemiology, Economics, Chemistry
★ 4.8 (1.1K) · Intermediate · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Inventory Management, Warehousing, Warehouse Management, Logistics Management, Inventory and Warehousing, Inventory Management System, Transportation, Supply Chain, and Logistics, Inventory Control, Warehouse Operations, Logistics, Transportation Operations, Transportation Management, Supply Chain Management, Supply Chain, Order Delivery, Customer Service, Operating Cost
★ 4.7 (12K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Prompt Engineering, Anthropic Claude, Application Programming Interface (API), Prompt Patterns, Prompt Engineering Tools, LLM Application, JSON, AI Integrations, Generative AI Agents, AI literacy, Tool Calling, Generative AI, Scripting, Token Optimization, Document Management, Context Engineering, Agentic systems
★ 3.7 (26) · Intermediate · Specialization · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Research, Science and Research, Liberal Arts, General Science and Research, Scientific Methods, Physical Science, Physics, Research Methodologies
★ 4.7 (962) · Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Corporate Strategy, Financial Management, Cost Benefit Analysis, Performance Analysis, Risk Management, Tax Management, Capital Markets, Risk Analysis, Bidding
★ 4.7 (1.5K) · Intermediate · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Derivatives, Mortgage Loans, Securities (Finance), Credit Risk, Futures Exchange, Financial Modeling, Risk Modeling, Financial Market, Mathematical Modeling, Loans, Applied Mathematics, Microsoft Excel, Model Evaluation, Cash Flows
★ 4.5 (67) · Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Dashboard, Salesforce, Data Visualization, Business Reporting, Report Writing, Data Import/Export
★ 4 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Plot (Graphics), Box Plots, Correlation Analysis, Data Visualization, Scatter Plots, Data Cleansing, Statistical Visualization, Data Preprocessing, Data Manipulation, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Analysis, Data Analysis, Probability & Statistics, Statistical Methods, Python Programming
★ 4.3 (35) · Beginner · Guided Project · Less Than 2 Hours

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

Google Cloud
Skills you'll gain: Large Language Modeling, Natural Language Processing, Generative Model Architectures, Transfer Learning
★ 4.1 (126) · Advanced · Course · 1 - 4 Weeks