Free programming courses can help you learn coding languages like Python, JavaScript, and Ruby, along with foundational concepts such as algorithms and data structures. You can build practical skills in web development, software debugging, and creating applications, which are crucial for tackling real-world challenges.

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Programming Principles, Debugging, Software Design Patterns, Functional Design, Computational Thinking, Algorithms, Data Structures
Mixed · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Authentications, Back-End Web Development, Web Servers, Databases, Web Applications, Secure Coding, Restful API, Application Programming Interface (API), Programming Principles, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Software Design Patterns, Software Documentation, Testability, Development Testing, Package and Software Management
Advanced · Course · 3 - 6 Months

Skills you'll gain: Cash Flow Forecasting, Financial Forecasting, Cash Flows, Financial Analysis, Business Planning, Financial Statements, Entrepreneurship, Financial Planning, Financial Management, Business Strategy, Strategic Decision-Making, Strategic Planning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: PL/SQL, Oracle Databases, SQL, Stored Procedure, Data Access, Database Design, Programming Principles, Debugging, Relational Databases, Maintainability
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: System Programming, Embedded Software, Linux, Embedded Systems, Debugging, Operating Systems, Peripheral Devices, Build Tools, File Systems, Shell Script, C (Programming Language), Development Environment, Command-Line Interface
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Performance, Restful API
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apple Xcode, UI Components, iOS Development, User Interface (UI) Design, Apple iOS, Mobile Development, User Interface and User Experience (UI/UX) Design, Swift Programming, Responsive Web Design, User Interface (UI), Application Design, Animations, Interactive Design, Data Visualization Software, Interactive Data Visualization, Application Development, Model View Controller, Programming Principles, Application Programming Interface (API), Software Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Model Evaluation, Data Transformation, Data Analysis, Data Cleansing, Data Manipulation, Data Import/Export, Predictive Modeling, Data Preprocessing, Regression Analysis, Data Science, Statistical Analysis, Pandas (Python Package), Scikit Learn (Machine Learning Library), Data-Driven Decision-Making, Matplotlib, Data Visualization, NumPy, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Responsive Web Design, MySQL, Web Design and Development, Server Side, HTML and CSS, Back-End Web Development, Database Development, File Management, Data Structures
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, Data Import/Export, Data Visualization, Data Manipulation, Data Visualization Software, Data Analysis, Data Science, Data Storytelling, Statistical Analysis, Relational Databases, Data Cleansing, Data Transformation, Statistical Programming, Data Integration, Software Installation, Programming Principles, Communication
Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Matplotlib, Pandas (Python Package), NumPy, Data Visualization, Data Cleansing, Data Structures, Data Visualization Software, Predictive Analytics, Debugging, Object Oriented Programming (OOP), Data Manipulation, Regression Analysis, Python Programming, Data Science, Algorithms, Simulations, Data Preprocessing, Exploratory Data Analysis, Predictive Modeling, Data Analysis
Beginner · Specialization · 3 - 6 Months