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.

LearnQuest
Skills you'll gain: Sales Presentations, Closing (Sales), Negotiation, Data Visualization, Sales Training, Contract Negotiation, Price Negotiation, B2B Sales, Influencing, Persuasive Communication, Storytelling, Behavioral Economics, Overcoming Objections, Value Propositions, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploitation techniques, Cybersecurity, Vulnerability Assessments, Vulnerability Scanning, Linux, Command-Line Interface, Linux Commands, Cryptography, File Management, Bash (Scripting Language), Microsoft Windows, Virtual Machines
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Thinking, Systems Design, System Design and Implementation, Systems Analysis, Model Evaluation, Pseudocode, Software Design, Computer Architecture, Software Quality (SQA/SQC), Logical Reasoning
Beginner · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Storytelling, Social Media Marketing, Social Media, Content Strategy, Content Creation, Social Media Strategy, Media Relations, Strategic Partnership, Brand Management, Paid media, Advertising, Revenue Management, Strategic Communication, Video Production, Community Development, Target Audience, Target Market, Negotiation, Crisis Management, Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Oracle Databases, Operational Databases, SQL, Linux Administration, System Monitoring, Linux, Database Management, File I/O, Database Architecture and Administration, Performance Testing, Data Storage Technologies, Scenario Testing, Data Storage, Simulations
Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Campaign Management, Advertising Campaigns, Communication Planning, Paid media, Promotions and Campaigns, Social Media Campaigns, Program Evaluation, Content Performance Analysis, Strategic Communication, Media Planning, Marketing Communications, Earned Media, Program Implementation, Marketing Effectiveness, Integrated Marketing Communications, Communication Strategies, Owned Media, Marketing, Public Relations, Business Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Security, DevSecOps, Security Controls, Security Information and Event Management (SIEM), AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Cyber Security Assessment, Identity and Access Management, Cyber Security Policies, Cloud Computing, Vulnerability Management, Continuous Monitoring, Network Security, NIST 800-53, Authorization (Computing), Threat Detection, Auditing, Encryption
Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: International Relations, Diplomacy, Political Sciences, World History, Public Policies, Social Sciences, Policy Analysis, Public Safety and National Security, Economics, Case Studies, Governance, Security Strategy, Analytical Skills
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Data Migration, Cloud Deployment, Microsoft SQL Servers, Cloud Applications, Performance Tuning, Cloud Management, Platform As A Service (PaaS), Web Applications, System Configuration
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Differentiated Instruction, Digital pedagogy, Collaborative Software, Education Software and Technology, digital literacy, Emerging Technologies, Innovation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Legal Strategy, Business Ethics, Price Negotiation, Cultural Responsiveness, AI Personalization, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, LangChain, LLM Application, Emerging Technologies, AI Orchestration, AI Workflows, AI Security, AI Enablement, OpenAI, ChatGPT, Computer Programming Tools, Software Development Tools, Responsible AI, Artificial Intelligence, General Networking, Cybersecurity, Network Administration, Software Development, Network Security
Intermediate · Course · 1 - 4 Weeks