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: OpenAI API, LLM Application, OpenAI, Agentic Workflows, Model Context Protocol, Generative AI Agents, Agentic systems, Decision Intelligence, Tool Calling, Prompt Engineering, ChatGPT, AI Integrations, Artificial Intelligence, Application Programming Interface (API), Context Management, Large Language Modeling, Python Programming, Memory Management, Development Environment, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardening, Linux Administration, System Monitoring, Linux Commands, Performance Tuning, Linux, Systems Administration, File Management, Network Troubleshooting, Command-Line Interface, Operating System Administration, Memory Management, Security Management, Debugging, Service Management, OS Process Management, Data Maintenance
★ 4.5 (6) · Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Capacity Management, Kubernetes, Google Cloud Platform, Istio, Application Security, Scalability, Hybrid Cloud Computing, Security Controls, Apache Cassandra, Proxy Servers, Data Security, Application Deployment, Role-Based Access Control (RBAC), Public Key Infrastructure, YAML, Debugging
★ 4.5 (17) · Beginner · Course · 1 - 3 Months

Emory University
Skills you'll gain: Marketing, Marketing Strategy and Techniques, Marketing Effectiveness, Marketing Planning, Marketing Management, Earned Media, Marketing Communications, Promotions and Campaigns, Branding, Market Dynamics, Target Market, Product Promotion, Customer Insights, Owned Media, Conversion Funnel Analysis, Order Delivery
★ 5 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Data Structures, Code Reusability, Memory Management, Package and Software Management, Algorithms, Software Testing
★ 3.8 (9) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, Agentic systems, Generative AI, Prompt Engineering, Prompt Patterns, Systems Architecture, Tool Calling, Natural Language Processing, Context Management, Memory Management, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blogs, Search Engine Optimization, Content Performance Analysis, Content Marketing, Brand Loyalty, Branding, Keyword Research, Content Creation, Web Analytics, Customer Engagement, Thought Leadership, Customer Relationship Building, Promotional Strategies, Content Management Systems, Business Marketing
★ 4.6 (23) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Pandas (Python Package), Pivot Tables And Charts, Data Manipulation, Data Import/Export, Data Wrangling, Jupyter, Data Visualization, Microsoft Excel, Data Transformation, Plot (Graphics), Data Analysis Software, Data Analysis, Data Cleansing, Data Preprocessing, Memory Management, Analytics, Sampling (Statistics), Operations
★ 4.7 (13) · Mixed · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Authentications, Identity and Access Management, User Provisioning, Multi-Factor Authentication, Active Directory, User Accounts, Security Controls, Proxy Servers
★ 3.6 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardening, Performance Tuning, Systems Analysis, Operating System Administration, Technical Support and Services, Virtual Environment, Virtualization and Virtual Machines, Memory Management, File I/O, Security Management, Debugging, Service Management, OS Process Management, Data Maintenance, Scripting, Record Keeping, Configuration Management
★ 4.3 (12) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Agentic Workflows, AI Orchestration, Generative AI Agents, AI Workflows, LLM Application, Agentic systems, Tool Calling, Context Management, AI Integrations, Data Persistence, Memory Management, Development Environment, Large Language Modeling, Software Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computer Hardware, Hardware Architecture, Peripheral Devices, Networking Hardware, USB, Data Storage, System Configuration, Computer Networking, Local Area Networks, Data Storage Technologies, Display Devices, General Networking, Memory Management
Intermediate · Course · 1 - 4 Weeks