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: File I/O, Unified Modeling Language, Visual Basic (Programming Language), Object Oriented Programming (OOP), Microsoft Visual Studio, Object Oriented Design, Program Development, Microsoft Development Tools, .NET Framework, Code Reusability, Software Engineering, Data Structures
★ 4.6 (16) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Public Relations, Branding
★ 4.7 (115) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Cardiology, Anatomy, Hematology, Immunology, Hemodynamics, Capillary, Clinical Practices, Pathology, Electocardiography, Physiology, Electrophysiology, Cell Biology
★ 4.8 (27) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Detection, Cyber Threat Intelligence, Threat Management, Vulnerability Assessments, Incident Response, Vulnerability Scanning, Cyber Security Assessment, Penetration Testing, Vulnerability Management, Cybersecurity, Incident Management, Cyber Security Policies, Security Strategy, Risk Mitigation, Emergency Response, Network Analysis, Technical Writing
★ 4.9 (18) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Model Optimization, Version Control, Model Deployment, CI/CD, Git (Version Control System), Continuous Deployment, Performance Tuning, Continuous Integration, Software Versioning, Release Management, Continuous Delivery, Performance Testing, PyTorch (Machine Learning Library), Test Automation, Performance Improvement
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, HTML and CSS, Interactive Design, Usability, Web Design, Front-End Web Development
★ 4.9 (17) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Content Optimization, Keyword Research, Web Analytics, Content Performance Analysis, Content Strategy, Digital Marketing, Social Media Strategy, Digital Media Strategy, Performance Analysis, Strategic Planning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Autodesk Maya, Architectural Drawing
★ 5 (23) · Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Data Presentation, Plotly, Statistical Visualization, Interactive Data Visualization, Matplotlib, Data Visualization Software, Network Analysis, Plot (Graphics), Seaborn, Data-Driven Decision-Making, Network Model, Data Mining, Scatter Plots, R Programming, R (Software), Graphing, Graph Theory, Box Plots, Heat Maps
Mixed · Course · 1 - 3 Months

Skills you'll gain: Transaction Processing, Data Persistence, Performance Tuning, System Programming, Memory Management, Operating Systems, C++ (Programming Language), C (Programming Language), System Configuration, Hardware Architecture, Data Storage, Computer Hardware, Data Storage Technologies, Computing Platforms, Program Development, Application Development
★ 5 (71) · Beginner · Course · 1 - 4 Weeks

Yunus Social Business Fund Bengaluru
Skills you'll gain: Cash Flows, Cash Flow Forecasting, Financial Analysis, Decision Making, Risk Analysis, Business Valuation, Risk Management Framework, Strategic Decision-Making, Cost Benefit Analysis, Social Impact, Capital Budgeting, Finance, Stakeholder Analysis, Economics, Policy, and Social Studies, Business Acumen
★ 4.9 (9) · Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Routing Protocols, TCP/IP, Wide Area Networks, Network Planning And Design, Network Monitoring, Configuration Management
Beginner · Course · 1 - 4 Weeks