Algorithm design courses can help you learn sorting algorithms, graph theory, dynamic programming, and complexity analysis. You can build skills in problem-solving, optimizing code efficiency, and understanding data structures like trees and hash tables. Many courses introduce tools such as Python, Java, or C++, along with frameworks for implementing algorithms, that support tasks in artificial intelligence, data analysis, and software development.

Skills you'll gain: Penetration Testing, Exploitation techniques, Brute-force attacks, Cyber Security Assessment, Vulnerability Assessments, Authentications, Wireless Networks, Network Security, Linux, Encryption, Microsoft Windows, Cryptography, Operating Systems
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Virtual Private Networks (VPN), Network Troubleshooting, Open Shortest Path First (OSPF), Network Engineering, Network Routing, Border Gateway Protocol, TCP/IP, Multiprotocol Label Switching, Network Administration, Network Security, Network Monitoring, Network Performance Management, Dynamic Host Configuration Protocol (DHCP), Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Collaborative Software, Journals, Organizational Skills, Productivity, Timelines, Productivity Software, Project Management Software, Information Architecture, Project Management, Personal Development, Query Languages
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Exploitation techniques, Cyber Security Assessment, Unix, Vulnerability Assessments, Unix Commands, Unix Shell, System Programming, Shell Script, Linux, Debugging, Linux Commands, Computer Architecture, Authentications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsible AI, Data Ethics, Deep Learning, Model Deployment, Debugging, Artificial Intelligence, Machine Learning, Ethical Standards And Conduct, Model Evaluation, Applied Machine Learning, Social Impact, Unstructured Data, Data-Driven Decision-Making, Information Privacy, Case Studies
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Workplace inclusivity, Diversity and Inclusion, Culture Transformation, Safety Culture, Leadership, Team Management, Empathy, Cultural Diversity, Collaboration, Diversity Awareness, Innovation, Employee Engagement, Adaptability, Communication, Employee Retention
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Artificial Neural Networks, Deep Learning, Data Preprocessing, Model Evaluation, Customer Analysis, Applied Machine Learning, Scikit Learn (Machine Learning Library), Development Environment, Predictive Analytics, Pandas (Python Package), Data Cleansing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Java Programming, Java, Theoretical Computer Science, Programming Principles, Algorithms, Object-Relational Mapping, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Email Marketing, AI Personalization, Marketing Automation, MarTech, Marketing Analytics, Search Engine Optimization, Marketing Strategies, Social Media Marketing, Digital Marketing, Content Creation, Web Analytics and SEO, Social Media Content, Customer experience improvement, Web Content, Social Media Management, Customer Engagement, Generative AI, Data-Driven Decision-Making, Automation
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Miro AI, Team Building, Collaborative Software, Customer Insights, Workflow Management, User Centered Design, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Disaster Recovery, Business Continuity Planning, Database Management, Database Administration, Problem Management, Relational Databases, Incident Management, Service Management, Information Systems, Software Development Methodologies, IT Management, Asset Management, Project Design, Object Oriented Design, Agile Methodology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Presentations, Animations, LinkedIn, Marketing Design, Social Media, Instagram, Social Media Marketing, Facebook, Marketing Materials, Marketing Budgets, Graphic Design, Marketing
Beginner · Guided Project · Less Than 2 Hours