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.

CertNexus
Skills you'll gain: Application Security, Threat Modeling, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Deepseek, DeepSeek API, OpenAI, Model Deployment, AI Integrations, Responsible AI, LLM Application, Generative Model Architectures, AI literacy, Competitive Analysis, Strategic Planning, Application Deployment, Data Ethics, Model Evaluation, Case Studies, Cost Benefit Analysis, Automation, Integration Testing, Process Optimization, Program Evaluation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Salesforce Development, Customer Relationship Management (CRM) Software, Customer Relationship Management, Data Validation, Cloud Computing Architecture, Object-Relational Mapping, Cloud Computing, Application Design, Data Integrity, System Configuration, Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Foundry, Cloud Applications, Cloud Platforms, Command-Line Interface, Platform As A Service (PaaS), Cloud Development, User Accounts, Cloud Management, Scalability, Web Development Tools, Cloud Computing, Identity and Access Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Script Development, Test Automation, Test Tools, Verification And Validation, Software Testing, Scenario Testing, Web Development Tools, Test Case, Development Testing, Data Validation, Debugging
Intermediate · Guided Project · Less Than 2 Hours

Politecnico di Milano
Skills you'll gain: De-escalation Techniques, Diversity Training, Diversity Equity and Inclusion Initiatives, Community Organizing, Crisis Intervention, Cultural Sensitivity, Cooperation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Email Marketing, Email Automation, Campaign Management, Campaign Planning, Workflow Management, Personalized Campaigns, Copywriting, Project Planning, Driving engagement, Branding, Target Audience, Peer Review, A/B Testing, Constructive Feedback, Analytics
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Marketing Strategies, Digital Marketing Tools, Digital Marketing, Web Analytics, Auditing, Software Development Tools, Paid media, Test Tools, Performance Analysis, Process Optimization, Performance Improvement, Performance Appraisal, Prioritization
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Decision Making, Human Resource Management, Human Resource Strategy, Human Resources, People Analytics, Critical Thinking, Strategic Decision-Making, Data-Driven Decision-Making, Performance Appraisal, Prompt Engineering, Employee Performance Management, Data Analysis, Performance Measurement, Performance Metric, ChatGPT, Business Acumen, Presentations, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Securities (Finance), Investment Management, Financial Market, Portfolio Management, Credit Risk, Portfolio Risk, Investments, Financial Trading, Mortgage Loans, Capital Markets, Financial Analysis, Financial Modeling, Risk Analysis, Derivatives, Risk Management, Cash Flows
Mixed · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Plot (Graphics), Statistical Visualization, Data Visualization Software, Interactive Data Visualization, Data Presentation, Scatter Plots, Jupyter, Histogram, Box Plots, Graphing, Computer Programming, Development Environment, Animations
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Digital Marketing Tools, Marketing Automation, Scheduling, Management Reporting, Business Reporting, Performance Reporting, Automation, Stakeholder Communications, Scalability
Beginner · Course · 1 - 4 Weeks