Free courses can help you learn coding languages like Python and JavaScript, data analysis techniques, and web development fundamentals. You can build skills in problem-solving, algorithm design, and creating interactive websites. Many courses introduce tools such as Git for version control, SQL for database management, and various frameworks that streamline web development, allowing you to apply your skills in practical projects.

Hebrew University of Jerusalem
Skills you'll gain: Sensory Systems Analysis, Electrophysiology, Artificial Neural Networks, Life Sciences, Neurology, Cell Biology, Physiology, Psychology, Network Model, Network Analysis, Simulations, Anatomy, Healthcare Ethics, Simulation and Simulation Software, Mathematical Modeling, Biology
★ 4.8 (1.3K) · Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Active Listening, Oral Comprehension, Concision, Learning Strategies, Critical Thinking, English Language, Verbal Communication Skills, Detail Oriented, Public Speaking, Analytical Skills, Organizational Skills, Communication Strategies
★ 4.5 (987) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: DevSecOps, Infrastructure Security, Cyber Governance, Zero Trust Network Access, Threat Detection, Security Engineering, IT Security Architecture, Threat Modeling, Endpoint Detection and Response, Security Information and Event Management (SIEM), Cyber Threat Hunting, Enterprise Architecture, Cloud Infrastructure, Application Security, Network Security, Identity and Access Management, Cyber Security Policies, Governance Risk Management and Compliance, Risk Analysis, Role-Based Access Control (RBAC)
Advanced · Professional Certificate · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Email Automation, Prompt Patterns, AI Workflows, AI Integrations, JSON, Token Optimization, OpenAI API, Google Gemini, Gmail, Anthropic Claude, OpenAI, Automation, Generative AI, Automation Engineering, Large Language Modeling, No-Code Development, API Design, Natural Language Processing, Webhook Security
Beginner · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Arbitration, Court Systems, Mediation, Political Sciences, Legal Proceedings, Case Law, Adjudication, Litigation and Civil Justice, International Relations, Social Justice, Case Studies
★ 4.8 (1.2K) · Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Verbal Communication Skills, Oral Expression, Presentations, Public Speaking, Lecturing, Non-Verbal Communication, Peer Review, Constructive Feedback, Communication Strategies, Organizational Skills, Planning
★ 4.5 (396) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: OS Process Management, Operating Systems, C (Programming Language), Memory Management, System Programming, Virtualization, System Software, Virtualization and Virtual Machines, C and C++, Programming Principles, Application Programming Interface (API)
★ 4.5 (185) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Anthropic Claude, Claude Code, Prompt Patterns, Context Engineering, AI literacy, Google Workspace, AI Enablement, AI Personalization, Office Administration, Vibe coding, Productivity Software, Workflow Management, Agentic Workflows, Administrative Support and Clerical Tasks, Business Workflow Analysis, OpenAI, AI Workflows, Generative AI Agents, Automation
Beginner · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Robotics, Mathematical Software, Simulation and Simulation Software, Mathematical Modeling, Mechanical Engineering, Numerical Analysis, Simulations, Mechanics, Algorithms, Torque (Physics), Control Systems, Applied Mathematics
★ 4.7 (174) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Musical Composition, Music, Electronic Media, Design Software, Patch Management, Computer Hardware, System Requirements
★ 4.7 (262) · Intermediate · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Derivatives, Futures Exchange, Financial Trading, Financial Market, Risk Management, Market Analysis, Capital Markets, Risk Analysis, Investments, Equities, Market Dynamics, Profit and Loss (P&L) Management, Decision Making
★ 4.5 (277) · Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Geographic Information Systems, GIS Software, Geospatial Information and Technology, Spatial Data Analysis, Spatial Analysis, NoSQL, Data Modeling, Database Design, Data Store, Databases, Data Storage Technologies, Database Systems, SQL, Data Storage, Query Languages, Relational Databases
★ 3.5 (100) · Beginner · Course · 1 - 3 Months