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.

Coursera
Skills you'll gain: Prompt Engineering, Sales Strategy, Sales Pipelines, AI Personalization, Sales Operations, Responsible AI, Lead Generation, Sales Development, Competitive Analysis, Sales Management, Marketing Automation, Customer Relationship Management (CRM) Software, Account Management, Business Process Automation, Business Intelligence, Workflow Management, Market Analysis, Data-Driven Decision-Making, Forecasting, Artificial Intelligence
★ 4.1 (34) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cyber Operations, Threat Management, Threat Detection, Cybersecurity, Exploitation techniques, Scripting, IT Automation, Python Programming, Scripting Languages
★ 4.7 (41) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Photoshop, Photo Editing, Visual Storytelling, Adobe Creative Cloud, Computer Graphic Techniques, Photography, Graphics Software, Graphical Tools, System Configuration, Graphic Design, Image Quality, Typography, Creativity
★ 2.8 (40) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Embedded Software, System Programming, Software Development Tools, Embedded Systems, Software Development, Debugging, Microarchitecture, Build Tools, Application Security, C (Programming Language), Application Development, Computer Architecture, C++ (Programming Language), System Configuration, Performance Tuning
★ 4.5 (35) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Web Scraping, Pivot Tables And Charts, Pandas (Python Package), Data Integration, Statistical Visualization, Data Manipulation, Exploratory Data Analysis, Data Wrangling, Data Visualization, Data-Driven Decision-Making, Data Transformation, Data Presentation, Data Processing, Data Cleansing, Data Preprocessing, Statistical Analysis, Seaborn, NumPy, Python Programming
★ 4.5 (40) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: TypeScript, Object Oriented Design, Node.JS, Role-Based Access Control (RBAC), Object Oriented Programming (OOP), Webpack, React Redux, Back-End Web Development, React.js, Full-Stack Web Development, Web Development, MongoDB, Front-End Web Development, Javascript, Application Programming Interface (API), Software Design Patterns, API Design, Programming Principles, Software Development, Debugging
★ 4.7 (6) · Beginner · Specialization · 3 - 6 Months

Fundação Lemann
Skills you'll gain: Programming Principles, Digital pedagogy, Education Software and Technology, Computer Programming, Learning Management Systems, Computational Logic, Computational Thinking, Algorithms
★ 4.7 (125) · Mixed · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Operations Research, Linear Algebra, Numerical Analysis, Applied Mathematics, Model Optimization, Algorithms, Program Implementation, Mathematical Software, Computational Thinking, Mathematical Modeling, Resource Allocation, Decision Making, Calculus, Business Analytics
★ 4.9 (160) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, SAS (Software), Database Management, Stored Procedure, Query Languages, Data Access, Database Management Systems, Data Presentation, Data Manipulation, Data Integration, Data Management, Data Processing
★ 4.9 (288) · Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Fine-tuning, MLOps (Machine Learning Operations), Model Deployment, Cloud Deployment, Hugging Face, Containerization, CI/CD, Docker (Software), Microsoft Azure, Continuous Deployment, Cloud Computing, Model Training, Machine Learning Software, Transfer Learning, GitHub
★ 3.7 (67) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Linux Servers, Linux Administration, Unix, Linux Commands, Linux, Unix Commands, Command-Line Interface, OS Process Management, Operating System Administration, Unix Shell, Debugging, System Monitoring, DevOps, Memory Management, Resource Management
★ 4.7 (23) · Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Debugging, Data Wrangling, Data Analysis, Data Transformation, Data Preprocessing, Numerical Analysis, Critical Thinking
★ 4.2 (13) · Intermediate · Course · 1 - 4 Weeks