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.

Rutgers the State University of New Jersey
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Procurement, Consolidation, Strategic Sourcing, Supplier Management, Supplier Relationship Management, Corporate Sustainability, Knowledge Transfer, Diversity Programs, Performance Measurement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: jQuery, Ajax, Javascript and jQuery, JSON, Animations, Event-Driven Programming, Debugging, JavaScript Frameworks, UI Components, Application Programming Interface (API), Web Applications, Web Development Tools, Responsive Web Design, Javascript, Interactive Design, HTML and CSS, Game Design, Data Validation, User Interface (UI) Design
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Apache Spark, NoSQL, Data Management, Data Processing, Databases, SQL, Query Languages, Data Manipulation, Scripting Languages, Data Transformation, Distributed Computing
Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Socioeconomics, Epidemiology, Crisis Management, Health Technology, Health Policy, Social Sciences, Infectious Diseases, Social Work, Public Health, Telehealth, Mental Health, Health Informatics, Surveys, Data-Driven Decision-Making, Data Science, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Instagram, Social Media Content, Facebook, Marketing Design, Social Media Marketing, Content Creation, Animations, Storytelling, Graphic Design, Graphics Software, Design Elements And Principles, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Browser Compatibility, Animations, HTML and CSS, Frontend Performance, Responsive Web Design, Web Design, Web Development
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Cloud-Native Computing, Infrastructure as Code (IaC), Cloud Computing, Terraform, Cloud Storage, Amazon Web Services, Cloud Infrastructure, Cloud Computing Architecture, Amazon S3, Cloud Deployment, Amazon Elastic Compute Cloud, Database Management, Scalability, Virtual Machines, Databases, Virtualization, Command-Line Interface
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MySQL, SQL, MySQL Workbench, Data Synthesis, Query Languages, Descriptive Statistics
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Security, Internet Of Things, Network Security, Application Security, Security Engineering, Information Systems Security, Data Security, Cloud Services, Infrastructure Security, Cloud Computing, Application Design, Time Series Analysis and Forecasting, Encryption, Cryptography, Data Analysis, Identity and Access Management, Data Integrity, Authentications, Vulnerability Assessments
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Agentic Workflows, Generative AI Agents, AI Orchestration, Model Deployment, Robotic Process Automation, Automation, AI Enablement, No-Code Development, Prompt Engineering, LLM Application, MLOps (Machine Learning Operations), Process Optimization, System Monitoring, Tool Calling, Performance Analysis, Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization Software, Data Visualization, Statistical Visualization, Ggplot2, Plot (Graphics), R Programming, Scatter Plots, Data Collection, Data Analysis, Data Manipulation, Data Import/Export, Regression Analysis, Data Preprocessing, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Unity Engine, Virtual Environment, 3D Assets, Software Installation, Game Design, Animation and Game Design, Development Environment, User Interface (UI)
Mixed · Course · 1 - 4 Weeks