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.

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), C and C++, Data Structures, Theoretical Computer Science, Computer Programming
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Pandas (Python Package), NumPy, Probability & Statistics, Unsupervised Learning, Applied Machine Learning, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Jupyter, Data Manipulation, Machine Learning Algorithms, Descriptive Statistics, Plot (Graphics), Data Processing, Data Visualization Software, Python Programming, Machine Learning
★ 4.5 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scikit Learn (Machine Learning Library), Predictive Modeling, Regression Analysis, Machine Learning Algorithms, Applied Machine Learning, Predictive Analytics, Python Programming, Classification Algorithms, Model Training, Machine Learning, Data Analysis
★ 4.8 (11) · Beginner · Guided Project · Less Than 2 Hours

Politecnico di Milano
Skills you'll gain: Application Specific Integrated Circuits, Amazon Elastic Compute Cloud, Cloud Infrastructure, Cloud Development, Cloud Deployment, Microarchitecture, Amazon Web Services, Hardware Architecture, Cloud Applications, Performance Tuning, Computer Architecture, Development Environment, Software Development Tools, Systems Design, System Design and Implementation, Memory Management, Programming Principles
★ 4.7 (77) · Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Serverless Computing, Amazon S3, Identity and Access Management, Disaster Recovery, Amazon Elastic Compute Cloud, Amazon CloudWatch, Cloud Computing Architecture, Amazon Redshift, Cloud Hosting, Amazon DynamoDB, Cloud Services, Solution Architecture, Cloud Engineering, Containerization, Cloud Infrastructure, Cloud Storage, Cloud Computing, API Gateway
★ 3.9 (49) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Photo Editing, AI powered creativity, Generative AI, Adobe Photoshop, Image Quality, Data Import/Export, Adobe Creative Cloud, Graphics Software, Graphic Design
★ 4.7 (53) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Generative AI, Responsible AI, Data Ethics, AI Enablement, AI powered creativity, Artificial Intelligence, Creative Problem-Solving, Critical Thinking
★ 4.7 (178) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Agentic Workflows, Development Environment, Model Evaluation, Artificial Intelligence, AI literacy, Scalability, Performance Tuning, Model Optimization, Design
★ 4.5 (114) · Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Crisis Management, Negotiation, Mediation, Leadership Studies, Conflict Management, Leadership, Policy Analysis, Diplomacy, Leadership Development, Social Justice, Organizational Leadership, Ethical Standards And Conduct, Leadership and Management, Business Leadership, Public Policies, Strategic Leadership, Public Administration, Human Services, Community Organizing, Governance
★ 4.6 (39) · Beginner · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Data Security, Security Testing, Threat Detection, Cyber Threat Intelligence, Cyber Attacks, Cyber Risk, Cyber Security Strategy, AI Integrations, Intrusion Detection and Prevention, Cyber Threat Hunting, Data Management, Cybersecurity, Cyber Governance, Artificial Intelligence and Machine Learning (AI/ML), Security Management, Security Awareness, Security Strategy, AI Product Strategy, Security Software, Generative AI
★ 4.6 (40) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Azure Active Directory, Active Directory, Microsoft Azure, Multi-Factor Authentication, Authentications, User Accounts, Role-Based Access Control (RBAC), Authorization (Computing), Identity and Access Management, User Provisioning, Cloud Security, Single Sign-On (SSO), Hybrid Cloud Computing, Self Service Technologies
★ 4.5 (100) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Memory Management, Embedded Software, Microarchitecture, Embedded Systems, System Programming, Secure Coding, System Configuration, Digital Signal Processing, Security Controls, Computer Architecture, Hardware Architecture, Authentications
★ 4.8 (23) · Advanced · Course · 1 - 3 Months