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.

Skills you'll gain: API Testing, Performance Testing, IT Security Architecture, Cloud-Based Integration, Application Security, Vulnerability Management, System Monitoring
Intermediate · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Applied Behavior Analysis, Behavior Management, Cultural Diversity, General Science and Research, Scientific Methods, Caregiving, Non-Verbal Communication, Ethical Standards And Conduct, Research, Biology
Mixed · Course · 1 - 3 Months

Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Child Health, Infant Care, Maternal Health, Postpartum Care, Pediatrics, Anatomy, Nutrition and Diet, Public Health and Disease Prevention, Public Health, Clinical Nutrition, Immunology, Patient Positioning, Food Safety and Sanitation, Endocrinology, Biochemistry
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Peripheral Devices, Network Troubleshooting, Desktop Support, Computer Displays, USB, TCP/IP, Virtual Local Area Network (VLAN), Operating System Administration, Hardware Troubleshooting, Mac OS, Microsoft Windows, General Networking, Technical Support, Network Infrastructure, System Support, Local Area Networks, Network Protocols, Network Routers, Computer Hardware, Operating Systems
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electrical Engineering, Electronic Systems, Electronic Components, Electronic Hardware, Electronics, Materials science, Mathematical Modeling
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Niel Asher Education
Skills you'll gain: Patient Education And Counseling, Physical Therapy, Clinical Assessment, Rehabilitation, Exercise Therapy, Manual Therapy, Respiration, Coordination, Mental Health Therapies, Athletic Training, Cognitive Behavioral Therapy
Advanced · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Psychiatry, Clinical Psychology, Mental Health, Cognitive Behavioral Therapy, Mental and Behavioral Health, Psychotherapy, Psychiatric Assessments, Cultural Diversity, Psychology, Pharmacotherapy, Pharmacology, Demography
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Hardware Architecture, Bash (Scripting Language), Distributed Computing, Scalability, Computer Systems, File I/O, Big Data, Operating Systems, File Systems, Scripting, Command-Line Interface, C and C++, Performance Tuning, Computer Programming Tools, Linux, Load Balancing, Programming Principles, Communication Systems, Linear Algebra
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Billing & Invoicing, QuickBooks (Accounting Software), Billing, Invoicing, Billing Systems, Accounts Payable and Receivable, Payment Processing and Collection, Investigation, Claims Processing, Accounting, Customer Complaint Resolution, Email Automation, Analysis, Cash Flow Forecasting, Business Process Automation, Automation, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, File I/O, C (Programming Language), Game Design, Programming Principles, Debugging, Data Modeling, Computational Thinking, Data Integrity, Program Development, Application Development, Data Maintenance, Computational Logic, Data Validation, Command-Line Interface, Application Design, Animation and Game Design, User Interface (UI), Algorithms, Data Structures
Beginner · Specialization · 1 - 3 Months

Arizona State University
Skills you'll gain: Prototyping, Manufacturing Processes, Materials science, Manufacturing and Production, Mechanical Engineering, 3D Modeling, Safety Training, Personal protective equipment
Beginner · Course · 1 - 4 Weeks
Icahn School of Medicine at Mount Sinai
Skills you'll gain: Data Synthesis, Network Analysis, Biology, Biotechnology, Data Integration, Systems Engineering, Laboratory Testing, Bioinformatics, Systems Integration, Research, Simulation and Simulation Software, Mathematical Modeling
Mixed · Course · 1 - 4 Weeks