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.

Skills you'll gain: Metasploit, Exploit development, Exploitation techniques, Vulnerability, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, System Configuration, Data Security, Cybersecurity, Cyber Attacks, Linux, Bash (Scripting Language), Proxy Servers, Scripting, Linux Commands, Scripting Languages, Python Programming
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Social Media Strategy, Social Media Campaigns, Social Media Marketing, Social Media Management, Social Media Content, Marketing Communications, Digital Media Strategy, Social Media Analytics, Customer Insights, Content Performance Analysis, Driving engagement, Plan Execution, Earned Media, Program Implementation, Target Audience, Content Creation, Content Strategy, Brand Strategy, Owned Media, Goal Setting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Data Quality, Data Integrity, Debugging, Data Pipelines, Test Automation, Root Cause Analysis, YAML, Generative AI, Test Tools, Anomaly Detection, AI Integrations, CI/CD, Python Programming, Reliability, Performance Tuning, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Facebook, Persona Development, Customer Analysis, Target Audience, Social Media, Social Media Marketing, Target Market, Business Marketing, Social Media Content, Social Media Management, Marketing Strategies, Web Presence, Content Creation, Earned Media, Drive Engagement, Business Planning
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Apache Spark, Performance Tuning, PySpark, Service Level, Resource Allocation, Process Optimization, Performance Analysis, Memory Management, Job Analysis, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Android Development, Extensible Languages and XML, Android (Operating System), Memory Management, Mobile Development, Real Time Data, Data Integration, UI Components, User Interface (UI), User Interface (UI) Design, Performance Tuning, File Management
★ 4.6 (16) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management, Other Programming Languages, Code Reusability, Interoperability, Object Oriented Programming (OOP), Systems Integration, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Object Oriented Design, Software Design, Code Reusability, Records Management, Programming Principles, Memory Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Optimization, Token Optimization, Model Deployment, Generative AI, Performance Tuning, Model Evaluation, Performance Testing, Cross Platform Development, PyTorch (Machine Learning Library), Memory Management, Development Environment, Hardware Architecture, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Delivery, Software Development Tools, Site Reliability Engineering, Event Monitoring, Incident Management, Test Tools, Development Environment, Memory Management, Incident Response, Performance Testing, Root Cause Analysis, Distributed Computing, CI/CD
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Frontend Performance, Dataflow, Memory Management
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Failure Analysis, Root Cause Analysis, Analysis, Memory Management, Complex Problem Solving, Correlation Analysis
Beginner · Course · 1 - 4 Weeks