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.

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, Memory Management, AI Workflows, Vector Databases, Scalability, User Interface (UI), Embeddings, Database Application, Data Store, Retrieval-Augmented Generation, Databases, Large Language Modeling, Performance Tuning, Maintainability, Data Storage, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: C (Programming Language), Memory Management, System Programming, Computer Architecture, Embedded Software, Programming Principles, Code Reusability, Computer Programming, Linux
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Email Security, Wireless Networks, Mobile Security, Incident Response, Cybersecurity, Cyber Security Assessment, Personally Identifiable Information, Cyber Attacks, Firewall, General Networking, Threat Detection, Cyber Security Policies, Computer Security Awareness Training, Proxy Servers, Computer Security Incident Management, Network Security, Security Awareness, Threat Management, Cyber Risk, Social Media
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: API Gateway, Application Programming Interface (API), API Design, Cloud API, Application Deployment, Restful API, Cloud Deployment, Continuous Deployment, Application Performance Management, Web Services, CI/CD, Continuous Integration, Proxy Servers, Software Versioning, Capacity Management, Code Reusability
Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: File I/O, Data Structures, Theoretical Computer Science, Algorithms, Memory Management, Graph Theory, Data Access, Performance Tuning
Advanced · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Model Context Protocol, Context Engineering, Artificial Intelligence, System Monitoring, Workflow Management, Context Management, Tool Calling, Continuous Monitoring, Scalability, Memory Management, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Database Administration, Relational Databases, Database Management Systems, Database Architecture and Administration, Data Import/Export, Patch Management, Memory Management, Database Systems, Operational Databases, Multi-Tenant Cloud Environments, Data Migration, Database Management, Software Installation, Performance Tuning, Database Software, Server Administration, Data Maintenance, Query Languages, User Accounts
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microarchitecture, Memory Management, System Programming, Embedded Software, Hardware Architecture, System Software, Embedded Systems, Computer Architecture, Programming Principles, System Configuration, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Endpoint Detection and Response, Cyber Threat Intelligence, Intrusion Detection and Prevention, Threat Detection, Cyber Attacks, Cybersecurity, Network Security, Digital Forensics, Network Monitoring, Data Security, Network Analysis, Exploitation techniques, Malware Protection, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Hardware Architecture, Software Installation, Microarchitecture, Computer Architecture, Desktop Support, IT Infrastructure, Data Storage Technologies, System Configuration, Data Storage, Information Technology, Memory Management
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Embedded Software, Peripheral Devices, Integrated Development Environments, Embedded Systems, Internet Of Things, Microarchitecture, Automation, Real Time Data, Hardware Architecture, Computer Architecture, Prototyping, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Embedded Systems, Embedded Software, C (Programming Language), C and C++, Programming Principles, Memory Management, Hardware Architecture, Computational Logic, Computer Architecture, Computer Programming, Peripheral Devices
Intermediate · Course · 1 - 4 Weeks