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.

Palo Alto Networks
Skills you'll gain: Network Security, Cloud Security, Cybersecurity, Cloud Deployment, Network Administration, Cloud Infrastructure, Firewall, Endpoint Detection and Response, Network Infrastructure, Data Security, Docker (Software), AI Security, Virtual Private Networks (VPN), Software As A Service, Hybrid Cloud Computing, Threat Modeling, Containerization, Threat Detection, Threat Management, Security Controls
Beginner · Professional Certificate · 3 - 6 Months

Skillshare
Skills you'll gain: Constructive Feedback, Sales Presentation, Client Services, Data Storage, Video Editing, Social Media, Style Guides, Rapport Building, Active Listening, Social Media Marketing, File Management, Customer Relationship Building, Cloud Storage, Expectation Management, Data Management, Instagram, Relationship Management, Post-Production, Storyboarding, Self-Motivation
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Feasibility Studies, Business Analysis, Business Analytics, Decision Making, Strategic Decision-Making, Data-Driven Decision-Making, Machine Learning, Strategic Thinking, Business Leadership, Project Planning
Mixed · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Technical Communication, Data Presentation, R Programming, Statistical Analysis, Statistical Modeling, Data Analysis, Time Series Analysis and Forecasting, Statistical Inference, Sampling (Statistics), Model Evaluation, Probability Distribution
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Algebra, Graphing, Applied Mathematics, Mathematical Modeling, Trigonometry, Probability, Advanced Mathematics, Data Analysis, Logical Reasoning, General Mathematics, Probability Distribution, Mathematical Theory & Analysis, Descriptive Statistics, Arithmetic, Statistics, Engineering Calculations, Calculus, Visualization (Computer Graphics), Geometry, Analytical Skills
Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Sales Presentation, Interviewing Skills, Oral Expression, English Language, Business Communication, Presentations, Business Correspondence, Verbal Communication Skills, Business Writing, Grammar, Persuasive Communication, Public Speaking, Target Audience, Vocabulary, Professionalism, Communication Strategies
Mixed · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Malware Protection, Network Monitoring, Network Administration, TCP/IP, Network Infrastructure, Infrastructure Security, Intrusion Detection and Prevention, Network Protocols, Load Balancing, Firewall, Vulnerability Assessments, General Networking, Authorization (Computing), Web Applications, Authentications
Mixed · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Photo Editing, Video Editing, Adobe Photoshop, Photography, Post-Production, Adobe Creative Cloud, Color Theory, Image Quality, File Management, Creative Design, Editing, Data Import/Export, Data Storage
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Pivot Tables And Charts, Spreadsheet Software, Microsoft Excel, Data Visualization Software, Google Sheets
Beginner · Guided Project · Less Than 2 Hours

Universidad Austral
Skills you'll gain: Digital Marketing, Customer Relationship Management, Social Media Marketing, Digital Media Strategy, Social Media Strategy, Marketing Analytics, Marketing Strategies, Web Analytics, Marketing, Sales Process, Business Analytics, Customer Retention, Search Engine Marketing, Customer Engagement, Email Marketing, Search Engine Optimization, Content Performance Analysis, Analytics, Lead Generation, Target Audience
Beginner · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Security Engineering, Threat Modeling, Distributed Denial-Of-Service (DDoS) Attacks, Cyber Attacks, Cybersecurity, Cyber Risk, Application Security, Threat Detection, Information Systems Security, Network Security, Computer Security, Encryption
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Transfer Learning, Debugging, Deep Learning, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Data-Driven Decision-Making, Machine Learning, Model Evaluation, Estimation, Performance Tuning
Beginner · Course · 1 - 4 Weeks