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: Linux, Linux Administration, File Systems, Ubuntu, Remote Access Systems, Operating System Administration, Linux Commands, File Management, Red Hat Enterprise Linux, System Configuration, Unix, Software Installation, Command-Line Interface, Operating Systems, Unix Commands, Systems Administration, Authorization (Computing), Virtualization, Virtual Machines, Open Source Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: File Systems, Mac OS, User Accounts, File Management, User Provisioning, Data Security, Operating System Administration, Software Installation, Unix, System Configuration, Operating Systems, Unix Commands, Data Storage, Encryption, Hardware Troubleshooting
Beginner · Course · 1 - 4 Weeks

Council on Foreign Relations
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Energy and Utilities, Social Justice, Environmental Issue, Sustainable Development, Environmental Policy, Emerging Technologies, Sustainable Technologies, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Transaction Processing, Data Persistence, Performance Tuning, System Programming, Operating Systems, C++ (Programming Language), System Configuration, Computer Architecture, Data Storage, Computer Hardware, Data Storage Technologies, Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Security, Threat Management, Vulnerability Management, Identity and Access Management, Data Security, Cloud-Native Computing, Infrastructure as Code (IaC), Authentications, Cloud Computing, Vulnerability Assessments, Multi-Factor Authentication, Data Governance, Personally Identifiable Information, Authorization (Computing), Infrastructure Security, Role-Based Access Control (RBAC), Containerization, Network Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, Google Cloud Platform, Cloud Applications, Spring Framework, Cloud Development, Spring Boot, Database Management, Databases, Software Architecture, Application Performance Management, Service Oriented Architecture, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Stress Management, Resilience, Emotional Intelligence, Time Management, Personal Development, Organizational Skills, Mindfulness, Adaptability, Productivity, Prioritization, Personal Care, Goal Setting, Leadership
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management Framework, Authentications, IT Management, Security Management, Identity and Access Management, Security Controls, Authorization (Computing), Security Awareness, Single Sign-On (SSO), Data Ethics, Computer Security Awareness Training, Multi-Factor Authentication, Change Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spatial Data Analysis, Robotics, Artificial Intelligence, Data Manipulation, Simulations, NumPy
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Virtual Networking, Network Routing, Network Architecture, Hybrid Cloud Computing, Amazon Web Services, Virtual Private Networks (VPN), Cloud Computing Architecture, Network Infrastructure, Network Security, Cloud Computing, Network Analysis, Operations Management
Intermediate · Course · 1 - 4 Weeks

Tel Aviv University
Skills you'll gain: Student Engagement, Teaching, European History, Research, World History, Social Justice, Cultural Diversity, Social Impact, Research Methodologies, Policy Analysis
Mixed · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon DynamoDB, Amazon Redshift, Database Architecture and Administration, Operational Databases, Transaction Processing, Data Migration, Amazon Elastic Compute Cloud, NoSQL, Redis, Relational Databases, Data Warehousing, Scalability
Intermediate · Course · 1 - 4 Weeks