Programming languages courses can help you learn syntax, data structures, algorithms, and object-oriented programming. You can build skills in debugging, code optimization, and software development methodologies. Many courses introduce tools like Git for version control, integrated development environments (IDEs) such as Visual Studio Code, and frameworks like React or Django, that support creating robust applications and enhancing your coding efficiency.

Scrimba
Skills you'll gain: TypeScript, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Programming Principles, Middleware, Scalability, Web Design, Computer Programming, Maintainability, UI Components
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Fine-tuning, Large Language Modeling, Natural Language Processing, LLM Application, Generative AI Agents, Agentic Workflows, Decision Intelligence, Test Case, Agentic systems, User Interface (UI), Performance Testing, Model Training, Applied Machine Learning, Artificial Intelligence, Model Optimization, Machine Learning Algorithms, Classification Algorithms, Decision Support Systems, Model Evaluation
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Software Testing, Debugging, Software Development, Python Programming
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Matlab, Engineering Analysis, Mathematical Software, Mechanical Engineering, Numerical Analysis, Mathematical Modeling, Applied Mathematics, Simulation and Simulation Software, Differential Equations, Mechanics, Calculus
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Ethics, Statistical Analysis, Experimentation, Research Design, Statistical Methods, Data Science, Data Analysis, R (Software), Statistical Programming, Predictive Modeling, Predictive Analytics, Probability & Statistics, Advanced Analytics, Data Modeling, General Science and Research
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Vocabulary, Language Competency, Language Learning, Oral Comprehension
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Exploit development, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Security Testing, Linux Administration, Scripting, Vulnerability Assessments, Hardening, Brute-force attacks, General Networking, Scripting Languages, Shell Script, Cybersecurity, Network Security
Beginner · Specialization · 3 - 6 Months

University of Glasgow
Skills you'll gain: Model Training, Model Evaluation, Matlab, Data Preprocessing, Model Optimization, Scientific Visualization, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Statistical Methods, Machine Learning Software, Mathematical Software, Statistical Machine Learning, Data Wrangling, Applied Mathematics, Data Validation, Data Processing, Mathematical Modeling, Artificial Neural Networks, Engineering Analysis, Engineering Design Process
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Requirements Elicitation, Cost Estimation, Agile Project Management, Business Analysis, Stakeholder Management, Agile Software Development, Project Management, Project Risk Management, Project Estimation, Project Scoping, Quality Management, Work Breakdown Structure, Project Management Life Cycle, Cost Management, Project Planning, Project Management Institute (PMI) Methodology, Risk Management, Business Analysis Tools, Personalized Service, Learning Styles
Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Open Web Application Security Project (OWASP), Encryption, Application Security, Penetration Testing, Data Security, Exploitation techniques, Security Controls, Authentications, Vulnerability Management, Advanced Encryption Standard (AES), Personally Identifiable Information, Data Flow Diagrams (DFDs)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Query Languages, Data Access, Database Software, Database Design, Relational Databases, Problem Solving
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Sampling (Statistics), Plot (Graphics), Statistical Methods, Descriptive Statistics, Statistical Visualization, Data Import/Export, Pareto Chart, Histogram, Statistical Programming, Descriptive Analytics, Statistical Analysis, R (Software), Box Plots, R Programming, Data Synthesis, Probability Distribution, Probability & Statistics, Exploratory Data Analysis, Statistics, Data Science
Beginner · Guided Project · Less Than 2 Hours