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.

Ball State University
Skills you'll gain: Cryptography, Application Security, Encryption, Authentications, Cybersecurity, Data Encryption Standard, Advanced Encryption Standard (AES), Email Security, Network Security, Information Systems Security, Key Management, Application Development, Public Key Infrastructure, Data Integrity
Build toward a degree
Intermediate · Course · 1 - 3 Months

American Council on Exercise
Skills you'll gain: Health And Wellness Coaching, Kinesiology, Coaching, Exercise Science, Motivational Interviewing, Patient Education And Counseling, Empowerment, Gynecology, Sports Medicine, Physiology, Diversity Awareness, Empathy, Anatomy, Endocrinology
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Program Evaluation, Policy Analysis, Project Design, Public Policies, Program Implementation, Resource Allocation, Social Impact, Systems Thinking, Needs Assessment, Qualitative Research, Stakeholder Engagement
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Supervised Learning, R Programming, Applied Machine Learning, R (Software), Classification Algorithms, Machine Learning, Decision Tree Learning, Data Science, Ggplot2, Feature Engineering, Data Preprocessing, Statistical Programming, Predictive Modeling, Data Manipulation, Model Evaluation, Regression Analysis
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Video Production, Grammar, Peer Review, Writing, Editing, Proofreading, English Language, Language Competency, Vocabulary, Language Learning, Creativity
Advanced · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Apache Kafka, Apache Spark, Apache Hadoop, Distributed Computing, Dataflow, Java Programming, Java, Software Architecture, Systems Architecture, Scala Programming, Data Structures, System Programming, Programming Principles, Servers, Application Frameworks, Debugging, Algorithms, Performance Tuning, Functional Design, Performance Testing
Intermediate · Specialization · 3 - 6 Months

Digital Marketing Institute
Skills you'll gain: Social Media Marketing, Social Media Management, Facebook, Instagram, Target Audience, Advertising Campaigns, Social Media Campaigns, Social Media Strategy, Web Analytics, Digital Advertising, Brand Awareness, Performance Measurement, Content Creation
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Threat Modeling, Cyber Threat Intelligence, Incident Response, MITRE ATT&CK Framework, Cloud Security, Cyber Threat Hunting, Risk Management, Cost Management, Cyber Security Strategy, Governance, Security Controls, Vulnerability Assessments, Compliance Management, Role-Based Access Control (RBAC), Automation
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Open Web Application Security Project (OWASP), Security Information and Event Management (SIEM), Incident Response, Identity and Access Management, Cybersecurity, Network Security, Authentications, Application Security, Authorization (Computing), Role-Based Access Control (RBAC), DevSecOps, Vulnerability Assessments, Infrastructure Security, Vulnerability Management, Security Strategy, Security Controls, Penetration Testing, Firewall, Zero Trust Network Access
Mixed · Course · 1 - 3 Months

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: Vulnerability Assessments, Risk Management, Continuous Monitoring, Operational Risk, Threat Management, Intrusion Detection and Prevention, Business Risk Management, Cyber Risk, Vulnerability Management, Security Controls, Enterprise Risk Management (ERM), Risk Mitigation, Risk Analysis, Compliance Management, Security Information and Event Management (SIEM), Technical Communication, Network Monitoring, Network Analysis
Beginner · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Environmental Issue, Climate Change Mitigation, Natural Resource Management, Environmental Science, Biology, Climate Change Adaptation, Life Sciences, Anthropology, Ancient History
Beginner · Course · 1 - 3 Months