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.

Illinois Tech
Skills you'll gain: Web Analytics, Paid media, Digital Marketing, Email Marketing, Social Media Analytics, Digital Media Strategy, Digital Marketing Campaigns, Digital Marketing Tools, Marketing Analytics, Digital Analysis, Data-Driven Marketing, Social Media Marketing, Marketing Effectiveness, Earned Media, Social Media Campaigns, Social Media, Media Strategy, Content Performance Analysis, Analytics, Owned Media
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Computer Programming, Development Environment, Integrated Development Environments, Programming Principles, Data Structures, Memory Management, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardware Architecture, Data Storage, Computer Systems, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Maven, Java, Object Oriented Design, Build Tools, Memory Management, Hibernate (Java), Unit Testing, File I/O, Data Persistence, Docker (Software), Software Testing, Software Design Patterns, Integrated Development Environments, Object-Relational Mapping, Functional Design
Beginner · Specialization · 3 - 6 Months

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

Simplilearn
Skills you'll gain: LangChain, LLM Application, Retrieval-Augmented Generation, Embeddings, Large Language Modeling, Tool Calling, AI Workflows, Context Management, Generative AI Agents, Vector Databases, Agentic systems, Document Management, Memory Management
Beginner · Course · 1 - 4 Weeks

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

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

Edureka
Skills you'll gain: Rust (Programming Language), Code Reusability, Data Manipulation, System Programming, Data Structures, Memory Management, Performance Tuning, Data Management, Data Analysis, Web Development, Application Development
Advanced · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Virtualization, Virtualization and Virtual Machines, Virtual Machines, Data Storage, Virtual Networking, Data Storage Technologies, vSphere DRS & HA, Networking Hardware, Computing Platforms, Network Architecture, Infrastructure Architecture, IT Infrastructure, End User Training and Support, Capacity Management, Data Centers, Memory Management, Network Switches, Desktop Support, Endpoint Security, Computer Hardware
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, LLM Application, Agentic Workflows, Generative AI Agents, Agentic systems, Tool Calling, LangChain, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Memory Management, Model Evaluation, Context Management, Performance Testing, Development Testing, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, Pseudocode, Microarchitecture, Hardware Architecture, Computer Architecture, Software Systems, Software Design, System Programming, Systems Design, Software Design Patterns, Systems Integration, Programming Principles, Event-Driven Programming, System Configuration, Real Time Data, Peripheral Devices, Memory Management
Beginner · Course · 1 - 4 Weeks