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.

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Security Testing, Application Security, Test Tools, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
★ 4.2 (10) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Program Development, Theoretical Computer Science, Software Development, Computer Programming, Problem Solving, Software Engineering, Data Structures, Computer Science, Javascript, Programming Principles, Web Development, Graph Theory, Machine Learning Methods, Data Science, Solution Design
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Computer Programming Tools
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Responsive Web Design, JSON, jQuery, Restful API, HTML and CSS, Bootstrap (Front-End Framework), API Design, GitHub, Git (Version Control System), Postman API Platform, Web Design, Javascript and jQuery, Hypertext Markup Language (HTML), Web Development, MongoDB, Back-End Web Development, Full-Stack Web Development, Cascading Style Sheets (CSS), Program Development
★ 4.8 (12) · Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Code Reusability, Computer Programming, Programming Principles, Scripting, Scripting Languages, Software Development
Mixed · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic Workflows, Debugging, TypeScript, Agentic systems, AI Orchestration, AI Workflows, Node.JS, OpenAI API, Generative AI, Program Development, Artificial Intelligence, LLM Application, Programming Principles, Maintainability, Prompt Engineering, Application Frameworks, Javascript, Large Language Modeling, File Systems
Beginner · Course · 1 - 4 Weeks
CertNexus
Skills you'll gain: Data Analysis, Data Preprocessing, Data Visualization, Statistical Analysis, Exploratory Data Analysis, Statistical Visualization, Statistical Methods, Analytical Skills, Data Processing, Data Wrangling, Data Transformation, Descriptive Statistics, Data Cleansing, Histogram, Data Manipulation, Scatter Plots, Applied Machine Learning
★ 4.8 (21) · Intermediate · Course · 1 - 3 Months

★ 5 (9) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Salesforce Object Query Language (SOQL), Salesforce Development, Salesforce, Data Import/Export, Web Components, Business Process Automation, Data Validation, Web Services, Relationship Management, Workflow Management, UI Components, Data Access, Automation, Application Security, Test Script Development, Secure Coding, Web Development, Memory Management, Unit Testing, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Feature Engineering, Unsupervised Learning, Model Evaluation, Predictive Modeling, Predictive Analytics, Advanced Analytics, Decision Tree Learning, Supervised Learning, Applied Machine Learning, Model Training, Forecasting, Random Forest Algorithm, Analytics, Data Analysis, Regression Analysis, Machine Learning, Logistic Regression, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Python Programming, Code Reusability, Data Processing, Data Analysis, Automation, Programming Principles, Computer Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Energy and Utilities, Mathematical Modeling, Predictive Analytics, Gemini, Laboratory Experience, Google Gemini, Model Optimization, Predictive Modeling, Data-Driven Decision-Making, Forecasting, Analytics, 3D Modeling, Simulations, Sustainable Technologies, Data Visualization, AI Integrations, Search Engine Optimization
Intermediate · Course · 1 - 4 Weeks