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.

University of Pennsylvania
Skills you'll gain: Journalism, Research, Interviewing Skills, Vocabulary, Media and Communications, Grammar, Electronic Media, Digital Publishing, English Language, Storytelling, Editing, Trend Analysis, Ethical Standards And Conduct
Mixed · Course · 1 - 3 Months

Skills you'll gain: Mental Concentration, Productivity, Time Management, Prioritization, Self-Discipline, Organizational Skills, Stress Management, Learning Strategies, Overcoming Obstacles, Proactivity, Goal Setting, Mindfulness, Planning, Accountability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Pipelines, Data Transformation, Data Analysis, Microsoft Azure, Analytics, Data Warehousing, Data Integration, Extract, Transform, Load, Data Cleansing, Data Modeling, Dashboard, Data Governance
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Operational Risk, Application Security, Security Requirements Analysis, DevSecOps, Security Testing, Threat Modeling, Cyber Attacks, Web Development, Web Applications, Security Management, Vulnerability Assessments, Security Software, Security Engineering, Security Controls, Scenario Testing, Authorization (Computing), Software Development, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, AI Workflows, AI Orchestration, Agentic Workflows, AI Enablement, AI Security, Prompt Engineering, DevOps, Code Review, CI/CD, Verification And Validation, Prompt Patterns, Software Development, Web Applications, Software Testing, Security Testing, Software Engineering, Web Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Brand Awareness, Branding, Brand Strategy, Style Guides, Brand Loyalty, Brand Management, Auditing, Content Strategy, Graphic and Visual Design, Stakeholder Communications, Marketing Management, Case Studies, Report Writing, Consumer Behaviour
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Software Documentation, API Gateway, Scripting, API Design, API Testing, Restful API, JSON, Application Programming Interface (API), Data Import/Export, Performance Tuning, Content Management, Scalability
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Vocabulary, English Language, Language Learning, Language Competency
Beginner · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: Algorithms, Programming Principles, Computer Programming, Graph Theory, Computational Thinking, Data Structures, Program Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Animation and Game Design, Git (Version Control System), GitHub, Android (Operating System), Unity Engine, Video Game Development, Mobile Development, C# (Programming Language), User Interface (UI), Scripting, C and C++, Game Design, Software Installation, User Interface (UI) Design, Development Environment, UI Components, Object Oriented Programming (OOP), Interactive Design
Intermediate · Specialization · 3 - 6 Months
University of Toronto
Skills you'll gain: Biostatistics, Life Sciences, Data Analysis
Beginner · Course · 1 - 3 Months

Intermediate · Course · 1 - 4 Weeks