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.

Logical Operations
Skills you'll gain: Business Writing, Business Correspondence, Proposal Writing, Proposal Development, Target Audience, Business Communication, Report Writing, Writing, Concision, Persuasive Communication, Communication, Writing and Editing, Tactfulness, Diplomacy, Customer Complaint Resolution, Organizational Skills, Grammar, Communication Strategies, Editing, Proofreading
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Front-End Web Development, Bootstrap (Front-End Framework), Web Design and Development, jQuery, Web Design, Web Applications, User Interface (UI), Animations, Javascript, Event-Driven Programming
Beginner · Course · 1 - 3 Months

Yale University
Skills you'll gain: Social Justice, Environmental Issue, Social Studies, Natural Resource Management, Environment, Environment and Resource Management, Cultural Diversity, Culture, Sustainable Development, Cultural Sensitivity, Economics, Policy, and Social Studies, World History, Land Management, Advocacy, Storytelling
Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Sanitation, Environmental Engineering, Water Resource Management, Sustainable Engineering, Sustainable Technologies, Public Health, Cost Estimation, Data Collection, Case Studies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Open Web Application Security Project (OWASP), Exploit development, Threat Detection, Penetration Testing, DevSecOps, Cloud Security, Exploitation techniques, Vulnerability Scanning, Security Testing, Application Security, Incident Response, Security Engineering, Vulnerability Assessments, Python Programming, Web Scraping, Encryption, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Job Control Language (JCL), Mainframe Computing, z/OS, Virtualization, Unix, IBM DB2, IBM Cloud, Data Management, Virtual Machines, Data Storage, Operating System Administration, Infrastructure Architecture, System Programming, Operating Systems, Unix Commands, File Systems, Linux, Computer Architecture, Control Panels, Command-Line Interface
Intermediate · Professional Certificate · 1 - 3 Months

Skills you'll gain: Local Area Networks, Dynamic Host Configuration Protocol (DHCP), System Configuration, Linux, Information Systems Security, Network Routers, Performance Tuning, Mac OS, Information Technology, Email Security, System Support, Android (Operating System), Data Maintenance, File Systems, Network Security, Multi-Factor Authentication, Scripting, Virtualization and Virtual Machines, Apple iOS, Hardware Troubleshooting
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Customer Relationship Management (CRM) Software, Email Marketing, Data Mapping, Marketing Automation, Data Validation, Gmail, Marketing Operations, Data Integration, Marketing, Marketing Analytics, Customer Data Management, Data Import/Export, Operational Efficiency
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Robotics, Automation Engineering, Mechanical Engineering, Applied Mathematics, Control Systems, Linear Algebra, Mathematical Modeling, Spatial Analysis
Beginner · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Vibe coding, Generative AI Agents, GitHub, AI Workflows, Software Development Tools, Application Development, Artificial Intelligence, Generative AI, AI Personalization, Code Review, Responsible AI, Software Development, Front-End Web Development, Design Software, React.js, Software Engineering, Web Development, Javascript
Beginner · Course · 1 - 3 Months

Skills you'll gain: Simulation and Simulation Software, Systems Thinking, Data Sharing, Data Modeling, Systems Design, Mathematical Modeling, Interactive Data Visualization, Biology, Environment, Storytelling
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: API Gateway, Amazon CloudWatch, API Design, Amazon Web Services, Microservices, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks