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: Flutter (Software), User Interface (UI) Design, UI Components, User Interface and User Experience (UI/UX) Design, JSON, Object Oriented Programming (OOP), Object Oriented Design, Mobile Development, Package and Software Management, Code Reusability, Data Modeling
★ 5 (8) · Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Statistical Inference, Regression Analysis, Statistical Programming, R Programming, Statistical Methods, Statistical Analysis, Statistical Modeling, R (Software), Statistical Software, Data Science, Data Analysis, Probability & Statistics, Linear Algebra
★ 4.6 (31) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Code Reusability, Restful API, HTML and CSS, Web Applications, Web Development, Javascript, Application Development, Computer Programming
★ 4.1 (14) · Intermediate · Guided Project · Less Than 2 Hours

Università di Napoli Federico II
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Scripting Languages, Scripting, Programming Principles, Data Manipulation, Data Management, Functional Design, Database Management, File Management, File I/O, Databases
★ 4.1 (42) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Operations Research, Resource Allocation, Simulation and Simulation Software, Microsoft Excel, Business Analytics, Data-Driven Decision-Making, Operational Analysis, Transportation Operations, Risk Modeling, Business Operations, Risk Analysis, Spreadsheet Software, Process Optimization, Statistical Methods, Business Modeling, Decision Making, Model Optimization, Logistics, Production Planning
★ 4.9 (53) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Debugging, Application Development, Scripting Languages, Shell Script, Model View Controller, Python Programming, Software Development Methodologies, Data Validation, Record Keeping, Programming Principles, Code Reusability, Problem Solving
★ 4.9 (49) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Linux, Linux Administration, Linux Commands, Linux Servers, Shell Script, Unix, Unix Shell, Systems Administration, Unix Commands, Command-Line Interface, Patch Management, Scripting Languages, Package and Software Management, Virtualization and Virtual Machines, File Systems, File Management, Data Storage, Security Controls, User Accounts, Authorization (Computing)
★ 4.8 (12) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: UI Components, Interactive Design, User Interface (UI), Frontend Integration, User Interface (UI) Design, Event-Driven Programming, MySQL, Back-End Web Development, Application Development, Database Application, User Flows, Application Deployment, Front-End Web Development, Database Management, Databases, Database Management Systems, Program Development, Python Programming, Web Applications, Web Frameworks
★ 4.7 (79) · Intermediate · Specialization · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Claude Code, Anthropic Claude, Vibe coding, Generative AI Agents, Prompt Patterns, Tool Calling, Integrated Development Environments, Agentic Workflows, Software Development Tools, Code Review, AI Workflows, Software Development, GitHub, AI Personalization, Application Deployment, Generative AI, Software Engineering, Artificial Intelligence, Web Development, Front-End Web Development
★ 4.4 (16) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Software Engineering Tools, Software Development Tools, JUnit, Development Testing, Data Ethics, Test Automation, Software Development Methodologies, Dataflow
★ 4.7 (159) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Quantitative Research, Data-Driven Decision-Making, Descriptive Statistics, Data Analysis, Statistical Reporting, Statistics, Research Design, Statistical Analysis, Microsoft Excel, Descriptive Analytics, Research Methodologies, Statistical Methods, R (Software), Research, R Programming, Data Collection, Research Reports, Correlation Analysis, Data Ethics
★ 4.4 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Predictive Modeling, SAS (Software), Logistic Regression, Model Evaluation, Predictive Analytics, Statistical Modeling, Model Training, Statistical Software, Regression Analysis, Business Analytics, Supervised Learning, Statistical Analysis, Data Preprocessing, Statistical Methods, Feature Engineering, Sampling (Statistics)
★ 4.6 (63) · Intermediate · Course · 1 - 3 Months