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.

LearnQuest
Skills you'll gain: AI Workflows, Technical Communication, AI Enablement, Model Deployment, Generative AI Agents, Data Integration, AI Orchestration, Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, Responsible AI, Artificial Intelligence, Cloud Computing, Deep Learning, Data Visualization, Python Programming, Machine Learning, Data Engineering, Anomaly Detection, Statistical Analysis
Beginner · Specialization · 1 - 3 Months

SkillUp
Skills you'll gain: Virtual Teams, Telecommuting, Team Leadership, Team Management, Peer Review, Workplace inclusivity, Rapport Building, Team Building, Management Training And Development, Leadership and Management, Teamwork, Collaboration, Strategic Leadership, Leadership, Collaborative Software, Delegation Skills, Cross-Functional Collaboration, Diversity and Inclusion, Trustworthiness, Communication
Intermediate · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Java, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Event-Driven Programming, Computer Programming, Application Design, Programming Principles, Application Development, File I/O, User Interface (UI), User Interface (UI) Design, Development Environment, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Image Analysis, PyTorch (Machine Learning Library), Convolutional Neural Networks, Tensorflow, Artificial Intelligence, Transfer Learning, System Configuration, Deep Learning, Real Time Data, Performance Tuning, Model Deployment, Development Environment, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Unity Engine, Game Design, Video Game Development, Performance Tuning, User Interface (UI), Animation and Game Design, 3D Assets, Event-Driven Programming, Virtual Environment, UI Components, C# (Programming Language), Program Development, Debugging, Object Oriented Programming (OOP), System Configuration, User Interface (UI) Design, Object Oriented Design, Scripting, Prototyping, Animations
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Cleansing, R Programming, Data Preprocessing, Statistical Analysis, R (Software), Model Evaluation, Classification And Regression Tree (CART), Statistical Modeling, Logistic Regression, Machine Learning Methods, Random Forest Algorithm, Data Transformation, Predictive Modeling, Exploratory Data Analysis, Feature Engineering, Machine Learning, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Animation and Game Design, Video Game Development, 3D Assets, Event-Driven Programming, Animations, Game Design, Graphics Software, Computer Graphics, Visualization (Computer Graphics), Interactive Design, Computer Graphic Techniques, User Interface (UI), User Interface (UI) Design, UI Components, Program Development, Python Programming, Application Design, Development Environment, Debugging, Development Testing
Beginner · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Predictive Modeling, Predictive Analytics, Statistical Methods, Data Analysis, Applied Machine Learning, Business Analytics, Statistical Analysis, Machine Learning, Scikit Learn (Machine Learning Library), Machine Learning Algorithms, Data Preprocessing, Big Data, Python Programming, Data Manipulation, Pandas (Python Package), Logistic Regression, NumPy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, React Redux, Cloud Deployment, Application Deployment, Cloud Applications, Software Testing, Web Development, Application Development, Jest (JavaScript Testing Framework), Frontend Integration, JavaScript Frameworks, Software Architecture, Javascript and jQuery, Front-End Web Development, Real Time Data, Application Programming Interface (API), Responsive Web Design, Event-Driven Programming, Cascading Style Sheets (CSS), UI Components
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Precision Medicine, Game Theory, Reinforcement Learning, Data-Driven Decision-Making, Clinical Trials, Bioinformatics, Data Analysis, Image Analysis, Analytics, Markov Model, Bayesian Statistics, Time Series Analysis and Forecasting, Forecasting, Data Science, Strategic Decision-Making, Statistical Methods, Anomaly Detection, Applied Machine Learning, Cybersecurity, Statistical Analysis
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), React.js, HTML and CSS, Front-End Web Development, UI Components, Maintainability, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Key Management, Application Security, Python Programming, Brute-force attacks, Algorithms, Data Integrity
Mixed · Course · 1 - 3 Months