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.

University of Toronto
Skills you'll gain: Community Development, Socioeconomics, Crisis Management, Creativity, Social Impact, Cultural Diversity, Social Sciences, Sustainable Development, Innovation, Decision Making, Economic Development, Human Development, Demography, Economics, International Relations, Diversity and Inclusion
★ 4.6 (157) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Diversity Awareness, Diversity Equity and Inclusion Initiatives, Health Equity, Community Organizing, Social Justice, Intercultural Competence, Cultural Diversity, Advocacy, Community Development, Immigration Law, Social Studies, Media and Communications
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ESXi Installation, vSphere Networking and Storage, Virtual Networking, vCenter Server Management, Role-Based Access Control (RBAC), vCenter Server, VMware ESX Servers, iSCSI Configuration, Event Monitoring, Data Centers, Virtual Machines, Network Switches, Authorization (Computing), Virtualization, System Monitoring, Data Storage
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Economics, International Finance, Supply And Demand, Economics, Policy, and Social Studies, Business Economics, Consumer Behaviour, Market Dynamics, Financial Trading, Financial Systems, General Finance, Financial Policy, Game Theory, Competitive Analysis, Market Analysis, Bidding, Finance, Public Policies, Fiscal Management
Mixed · Course · 1 - 3 Months

Technical University of Munich (TUM)
Skills you'll gain: Social Impact, Experimentation, Program Evaluation, Community Development, Community Organizing, Community Outreach, Sustainable Development, Systems Thinking, Sustainable Systems, Innovation, Culture, Cultural Diversity, Case Studies, Critical Thinking
★ 4.8 (44) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Network Administration, Cryptography, Firewall, Cryptographic Protocols, Cybersecurity, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Cloud Security, IT Security Architecture, Cyber Attacks, Security Controls, Public Key Infrastructure, Network Monitoring, Encryption, Network Planning And Design, Human Factors (Security), Local Area Networks, Virtual Local Area Network (VLAN), Network Switches
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: No-Code Development, Mobile Development, Google Sheets, Application Development, Mobile Development Tools, Google Workspace, Application Design, Application Deployment, Development Testing, Spreadsheet Software, Data Structures, User Interface (UI), User Accounts, Persona (User Experience), Authentications, User Feedback, Web Development, Marketing
★ 4.5 (691) · Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Human Resources, Human Capital, Human Relations Movement, Employee Relations, Human Resources Management and Planning, Labor Relations, Human Resource Strategy, Human Resource Management, Diversity Equity and Inclusion Initiatives, Staff Management, Drive Engagement, People Management, Team Oriented, Diversity and Inclusion, Team Building, Team Performance Management, Diversity Training, Workplace inclusivity, Change Management, Team Management
★ 4.9 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Virtual Networking, Amazon Web Services, Network Engineering, Network Architecture, Network Routing, Data Pipelines, Network Security, Microservices, Event-Driven Programming, Scalability
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Google Cloud Platform, Cost Management, Cloud Management, System Monitoring, Application Performance Management, Cloud Security, Identity and Access Management, Key Management, Cloud Deployment, Cloud Platforms, Cloud Services, Infrastructure as Code (IaC), Continuous Monitoring, Cloud-Based Integration, Encryption, Role-Based Access Control (RBAC), Configuration Management, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: English Language, Vocabulary, Social Skills, Language Learning, Verbal Communication Skills, Interpersonal Communications, Communication, Grammar
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Excel Formulas, Microsoft Excel, Spreadsheet Software, Payroll, Data Integrity, Scalability
Advanced · Course · 1 - 4 Weeks