Number theory courses can help you learn prime numbers, divisibility rules, modular arithmetic, and integer properties. You can build skills in problem-solving, logical reasoning, and algorithmic thinking, that support tackling complex mathematical challenges. Many courses introduce tools like Python for implementing algorithms and mathematical software for exploring number patterns, enabling you to apply your knowledge in practical situations such as cryptography and coding theory.

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Apache, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA, Application Deployment
Intermediate · Specialization · 3 - 6 Months

Skillshare
Skills you'll gain: Graphic and Visual Design, ChatGPT, Creative Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Responsible AI, Generative AI, Large Language Modeling, Artificial Intelligence, PyTorch (Machine Learning Library), MLOps (Machine Learning Operations), Tensorflow, Information Privacy, Machine Learning, A/B Testing, Deep Learning, Version Control, Performance Tuning, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Typography, Creative Design, Logo Design, Style Guides, Graphic and Visual Design, Marketing Design, Color Theory, Brand Strategy, Branding, Competitive Analysis, Ideation, Social Media Content, Content Creation
Mixed · Course · 1 - 3 Months

Emory University
Skills you'll gain: Public History, Community Development, Case Studies, Discussion Facilitation, Cultural Diversity, Socioeconomics, Surveys, Research
Beginner · Course · 1 - 4 Weeks
Curtis Institute of Music
Skills you'll gain: Classical Music, Music Theory, Musical Composition, Music History, Music Performance
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Code Review, Debugging, Scripting, Python Programming, Programming Principles, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Universidad de Palermo
Skills you'll gain: Business Process Management, Business Process, IT Management, Business Process Improvement, Technical Management, Operations Management, Continuous Improvement Process, Information Technology, Information Systems, Business Operations, Enterprise Resource Planning, Quality Management, Customer Relationship Management, IT Infrastructure, Leadership and Management, Business Intelligence, Business Strategy
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Network Analysis, Statistical Modeling, Bayesian Network, R (Software), R Programming, Social Network Analysis, Simulations, Graph Theory, Statistical Analysis, Probability & Statistics, Markov Model, Probability Distribution, Data Visualization, Machine Learning, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Journalism, Health Education, Public Health, Media and Communications, Interviewing Skills, Stress First Aid, Advocacy, Mental Health, Cultural Sensitivity, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Copenhagen Business School
Skills you'll gain: Social Justice, Public Policies, Liberal Arts, Digital Transformation, Community Development, Policy Development, Culture, Innovation, Creativity, Technology Strategies, Diversity Equity and Inclusion Initiatives, Emerging Technologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: GitHub, DevOps, Version Control, CI/CD, Continuous Integration, Software Development Tools, Continuous Deployment, Software Development, Amazon Elastic Compute Cloud
Intermediate · Course · 1 - 4 Weeks