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: Scripting, Email Automation, Google Workspace, Google Sheets, Automation, Spreadsheet Software, Gmail, Javascript, Hypertext Markup Language (HTML), Web Applications, Application Design, Application Development, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Surveys, Statistical Hypothesis Testing, Quantitative Research, Statistical Analysis, Marketing Analytics, Market Research, Data Analysis, Marketing, Target Market, Market Analysis, Regression Analysis, Sample Size Determination, Quality Control
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Language Competency, Language Learning, Language Disorders, Anthropology, Multilingualism, English Language, Communication Disorders, Cultural Diversity, Oral Comprehension, Interviewing Skills, Vocabulary, Grammar, Cultural Sensitivity, Interpersonal Communications, Social Sciences, Sociology, Research Methodologies
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Cloud Computing Architecture, Identity and Access Management, Cloud Infrastructure, AWS Identity and Access Management (IAM), Virtual Machines, Cloud Security, Virtualization, Cloud Computing, Cloud Deployment, Cloud Platforms, Authorization (Computing), Cloud Services, Role-Based Access Control (RBAC), User Provisioning, Threat Management, Authentications, Multi-Factor Authentication, Threat Detection, Scalability, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Windows Servers, User Accounts, Microsoft Windows, Dynamic Host Configuration Protocol (DHCP), Firewall, Server Administration, Group Policy, Windows PowerShell, Operating System Administration, Systems Administration, Virtualization, Virtual Machines, Network Administration, Network Security, File Systems
Intermediate · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Design Thinking, Human Centered Design, Innovation, Service Design, Prototyping, Ideation, Product Development, Design, Case Studies, User Feedback
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Big Data, Cybersecurity, Pedagogy, Student Engagement, Blockchain, Digital pedagogy, Algorithms, Data Security, Teaching, digital literacy, Cryptography, Technical Communication, Diversity Awareness, K-12 pedagogy, Information Privacy, Emerging Technologies, Computer Networking, Digital Transformation, Diversity Equity and Inclusion Initiatives, Computer Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Malware Protection, Cyber Attacks, Cybersecurity, Network Security, Cyber Security Policies, Brute-force attacks, Distributed Denial-Of-Service (DDoS) Attacks, Security Controls, Security Awareness, Firewall, Multi-Factor Authentication, Encryption
Beginner · Course · 1 - 3 Months

Skills you'll gain: Browser Compatibility, Test Automation, No-Code Development, Usability Testing, User Acceptance Testing (UAT), Regression Testing, Software Testing, Quality Assurance
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Structures, Python Programming, Programming Principles, User Interface (UI), Computer Programming, Scripting, Software Engineering, Performance Tuning, Scripting Languages, Web Development, Computational Thinking, Debugging, Random Forest Algorithm, Software Development, Web Development Tools
Beginner · Specialization · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Systems, Payroll Processing, Payroll Administration, Payroll Reporting, Payroll Tax, Data Entry, Workforce Management, Benefits Administration, Compensation Management, Personally Identifiable Information, Employee Onboarding, Reconciliation, Auditing, Tax Compliance, Data Security
Beginner · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Human Capital, Management Accounting, Human Resource Strategy, Human Resources Management and Planning, Branding, Cost Management, Cost Accounting, Marketing, Talent Management, Brand Management, Business Economics, Accounting, Strategic Marketing, Leadership Development, Budgeting, Cash Flows, Business Leadership, Organizational Strategy, Market Dynamics, Economics
Beginner · Specialization · 3 - 6 Months