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 London
Skills you'll gain: Leadership and Management, Organizational Structure, Organizational Leadership, Music, Business Management, Storytelling, Leadership, Productivity, Workforce Management, Innovation, Writing and Editing, Employee Engagement, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Computer Security Incident Management, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cloud Security, Cybersecurity, Vulnerability Assessments, Cyber Attacks, Information Systems Security, Security Engineering, Metasploit, Security Strategy, Infrastructure Security, Incident Management, Vulnerability Scanning, Security Testing, Hardening, Penetration Testing, Mobile Security
Advanced · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Database Management, Apache Hadoop, Query Languages, Big Data, Databases, SQL, Data Access, Distributed Computing, Performance Tuning, Data Processing, Data Integrity, Authorization (Computing), Data Storage Technologies, File Systems, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Product Quality (QA/QC), Quality Control, Quality Assurance, Safety Standards, Good Manufacturing Practices, Safety Assurance, Statistical Process Controls, Standard Operating Procedure, Laboratory Testing, Chemistry, Regulatory Affairs, Regulatory Requirements, Product Testing, Regulatory Compliance, Microbiology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Supervised Learning, R Programming, Applied Machine Learning, R (Software), Classification Algorithms, Machine Learning, Decision Tree Learning, Data Science, Ggplot2, Feature Engineering, Data Preprocessing, Statistical Programming, Predictive Modeling, Data Manipulation, Model Evaluation, Regression Analysis
Beginner · Course · 1 - 3 Months
Sapienza University of Rome
Skills you'll gain: Ancient History, Public History, Political Sciences, Art History, European History, World History, Research, Investigation, Social Sciences, Culture, Governance, Scientific Methods, Data Collection, Storytelling
Beginner · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Wealth Management, Financial Services, Consultative Approaches, Financial Planning, Investment Management, Compensation Management, Risk Management Framework, Asset Management, Market Intelligence, Client Services
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Storytelling, Plotly, Statistical Visualization, Interactive Data Visualization, Matplotlib, Data Visualization Software, Network Analysis, Seaborn, Data-Driven Decision-Making, Data Mining, Scatter Plots, R Programming, Graph Theory, Data Science, Time Series Analysis and Forecasting
Build toward a degree
Mixed · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: C (Programming Language), Computer Architecture, Embedded Software, Computer Engineering, Computer Programming, Computer Science, Program Development, Data Structures, Linux, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Spatial Data Analysis, Robotics, Artificial Intelligence, Data Manipulation, Simulations, NumPy
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: MLOps (Machine Learning Operations), Feature Engineering, Model Evaluation, Data Preprocessing, Performance Analysis, Performance Tuning, Predictive Modeling, Data Pipelines, Data Transformation
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Court Systems, Legal Proceedings, Adjudication, Legal Strategy, Criminal Investigation and Forensics, International Relations, Appeals, Case Law, Policty Analysis, Research, and Development, Case Studies, Child Development
Mixed · Course · 1 - 3 Months