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.

Yonsei University
Skills you'll gain: Disaster Recovery, Mitigation, Risk Management Framework, Emergency Response, Geospatial Information and Technology, Policty Analysis, Research, and Development, Public Policies, Environmental Policy, Systems Thinking, Case Studies, World History
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: digital literacy, Media and Communications, Digital Communications, Interpersonal Communications, Empathy & Emotional Intelligence, Conflict Management, De-escalation Techniques
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: TCP/IP, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Security, OSI Models, Network Routing, Network Infrastructure, Software-Defined Networking, Local Area Networks, Virtualization
Mixed · Course · 1 - 3 Months

HEC Paris
Skills you'll gain: Investment Management, Portfolio Management, Investments, Asset Management, Wealth Management, Financial Market, Risk Management, Financial Regulation, Product Lifecycle Management, Performance Analysis, Risk Analysis, Microsoft Excel
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Manufacturing Processes, Computer-Aided Design, Automation, Internet Of Things, Manufacturing and Production, Digital Transformation, Engineering Analysis, Industrial Engineering, Geometric Dimensioning And Tolerancing, Simulation and Simulation Software, Network Infrastructure, Finite Element Methods, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OSI Models, Network Security, Security Controls, Wireless Networks, Network Protocols, Firewall, Network Administration, TCP/IP, Telecommunications, Proxy Servers, Distributed Denial-Of-Service (DDoS) Attacks, Network Infrastructure, Intrusion Detection and Prevention, Remote Access Systems, Authentications
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Immigration Law, Social Justice, Community Development, Conflict Management, Sustainable Development, Social Impact, International Relations, Social Work, Sociology, Advocacy, Storytelling
Beginner · Course · 1 - 3 Months

Skills you'll gain: vSphere Networking and Storage, Virtual Networking, VMware ESX Servers, vCenter Server, Virtual Machines, Virtualization, Infrastructure Security, Hardening, Role-Based Access Control (RBAC), Data Storage, Identity and Access Management, Windows PowerShell, Encryption, Computer Networking
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Social Media Strategy, Social Media Campaigns, Social Media Marketing, Marketing Communications, Digital Media Strategy, Marketing Planning, Customer Insights, Content Performance Analysis, Driving engagement, Plan Execution, Earned Media, Content Creation, Content Strategy, Owned Media, Paid media, Goal Setting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Natural Language Processing, Text Mining, Data Manipulation, Unstructured Data, Markov Model, Data Preprocessing, Python Programming, Applied Machine Learning, Feature Engineering, Algorithms, Probability & Statistics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Azure DevOps Pipelines, CI/CD, Package and Software Management, Infrastructure as Code (IaC), Azure DevOps, Continuous Delivery, Application Deployment, Continuous Integration, DevOps, Cloud Deployment, Release Management, Software Versioning, Version Control, Microsoft Azure, GitHub, Development Testing, Test Engineering
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Object Oriented Programming (OOP), Java, Object Oriented Design, Java Programming
Intermediate · Guided Project · Less Than 2 Hours