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: Process Capability, Project Schedules, Project Estimation, Statistical Analysis, Statistical Methods, Data Analysis, Project Management, Project Planning, Six Sigma Methodology, Statistics, Lean Six Sigma, Process Analysis, Data Collection, Project Scoping, Probability & Statistics, Performance Measurement, Scope Management, Performance Metric, Performance Analysis, Process Improvement and Optimization
Beginner · Course · 1 - 3 Months

ISAE-SUPAERO
Skills you'll gain: Mechanical Engineering, Mechanics, Engineering Analysis, Engineering Calculations, Engineering, Mathematical Modeling, Physics
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Environmental Policy, Climate Change Programs, Energy and Utilities, Environmental Issue, Climate Change Mitigation, Political Sciences, Public Policies, International Relations, Environmental Regulations, Policy Analysis, Climate Change Adaptation, Sustainable Technologies, Pollution Prevention, Environmental Science, Electric Power Systems, Forecasting, Radiation Protection
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hedge Accounting, Derivatives, Futures Exchange, International Finance, Risk Management, Cash Management, Risk Mitigation, Business Risk Management, Cash Flows, Finance, Investment Management, Financial Market, Financial Accounting, Management Accounting, Financial Management, Financial Statements, Accounting, Operations Management, Operations, Decision Making
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, Digital Assets, FinTech, Agentic systems, Financial Inclusion, Business Modeling, Financial Systems, Payment Systems, Emerging Technologies, Business Transformation, Distributed Computing, Transaction Processing, Cryptographic Protocols, Identity and Access Management, Contract Management, Cost Reduction
Beginner · Course · 1 - 4 Weeks

Digital Marketing Institute
Skills you'll gain: LinkedIn, Content Performance Analysis, Campaign Management, Social Media Campaigns, Social Media Marketing, Online Advertising, Social Media, Digital Advertising, Social Media Content, Marketing, B2B Sales, Social Media Management, Professional Networking, Digital Marketing Campaigns, Advertising Campaigns, Social Media Strategy, Business Marketing, Marketing Analytics, Video Production, Social Media Analytics
Beginner · Course · 1 - 4 Weeks
University of Manchester
Skills you'll gain: Chemical Engineering, Oil and Gas, Environmental Engineering, Engineering Practices, Materials science, Petroleum Industry, Engineering, Engineering Design Process, Failure Analysis, Industrial Design, Engineering Calculations, Chemistry, Environmental Issue
Intermediate · Course · 1 - 4 Weeks

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
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Cyber Security Strategy, Cyber Threat Intelligence, Threat Management, Network Model, IT Security Architecture, Exploitation techniques, Security Controls, Security Awareness, Systems Design, Cryptography, Resilience, Service Recovery
Beginner · Course · 1 - 4 Weeks
Illinois Tech
Skills you'll gain: Operating System Administration, Linux Administration, Microsoft Windows, Command-Line Interface, Operating Systems, System Configuration, Event Monitoring, Authorization (Computing), Desktop Support, OS Process Management, Network Security, Package and Software Management, Information Technology, IT Automation, Network Administration, General Networking, Software Installation
Build toward a degree
Beginner · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Corporate Finance, Export Control, Regulatory Compliance, Organizational Strategy, Property and Real Estate, Strategic Decision-Making, Business Analysis, Policy Analysis, Research, and Development, Case Law, Case Studies, Analysis, Consolidation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Unit Testing, Flask (Web Framework), Application Deployment, Software Testing, Cloud Applications, Web Applications, AI Integrations, Python Programming, IBM Cloud, Web Development, Artificial Intelligence, Application Lifecycle Management, Integrated Development Environments, Application Programming Interface (API), Programming Principles
Intermediate · Course · 1 - 4 Weeks