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: Video Editing, Animations, Timelines, Motion Graphics, Post-Production, Videography, Video Production, Photo/Video Production and Technology, System Configuration, Editing, Data Import/Export, Color Matching, File Management, Performance Tuning
★ 4.1 (25) · Mixed · Course · 1 - 3 Months

Edureka
Skills you'll gain: PySpark, Apache Spark, Data Management, Distributed Computing, Apache Hadoop, Data Processing, Data Manipulation, Data Analysis, Exploratory Data Analysis, Python Programming
★ 3.7 (50) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: R (Software), R Programming, Statistical Programming, Statistical Software, Statistical Analysis, Statistical Methods, Debugging, File I/O, Data Analysis, Simulations, Programming Principles, Data Import/Export, Data Processing, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Correlation Analysis, Plot (Graphics), Matplotlib, Seaborn, Data Cleansing, Data Visualization, Pandas (Python Package), Data Analysis, Data Manipulation, NumPy, Data Science, Statistical Analysis, Data Wrangling, Python Programming
★ 4.5 (445) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Machine Learning Methods, Matlab, Transfer Learning, Traffic Flow Optimization
★ 4.7 (36) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, Fine-tuning, Prompt Engineering, OpenAI, Large Language Modeling, ChatGPT, Multimodal Prompts, Application Performance Management, Generative Model Architectures, Generative AI, LLM Application, Image Analysis, Photo Editing, Token Optimization, Application Programming Interface (API), Animations, Tool Calling, File Management, Python Programming, Computer Science
★ 3.9 (36) · Beginner · Specialization · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Ansible, YAML, IT Automation, Network Architecture, Network Administration, General Networking, Automation, System Configuration, Software Documentation, Configuration Management, Python Programming
★ 4.8 (32) · Intermediate · Course · 1 - 4 Weeks

Technion - Israel Institute of Technology
Skills you'll gain: Business Planning, Entrepreneurship, Market Research, Plan Execution, Market Analysis, Financial Modeling, Proposal Writing, Market Opportunities, New Product Development, Business Development, Video Production, Project Planning, Product Development, Professional Networking, Presentations, Operating Budget, Cash Flow Forecasting, Ideation, Risk Analysis
★ 4.9 (341) · Mixed · Course · 1 - 3 Months
Skills you'll gain: OS Process Management, Operating Systems, System Programming, Performance Tuning, Data Structures, Event-Driven Programming, Data Access
★ 4.4 (36) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Security, Java, Java Programming, Application Frameworks, Model View Controller, Development Environment, Web Applications, Frontend Integration, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Role-Based Access Control (RBAC), Configuration Management
★ 4.4 (37) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Bayesian Network, Linear Algebra, Numerical Analysis, Mathematical Modeling, Estimation, Matlab, Statistical Modeling, Markov Model, Simulations, Integral Calculus, Correlation Analysis, Control Systems, Probability, Simulation and Simulation Software, Probability & Statistics, Statistical Methods, Applied Mathematics, Probability Distribution, Predictive Analytics, Engineering Analysis
★ 4.9 (35) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Mobile Development, Web Development Tools, Android Development, React.js, Javascript, Unit Testing, Test Script Development, Node.JS, Software Testing, Package and Software Management, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Event-Driven Programming, Functional Design
★ 4.1 (134) · Beginner · Course · 1 - 3 Months