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.

Edureka
Skills you'll gain: Cloud-Native Computing, Memory Management, Grafana, Web Applications, Program Development, Software Architecture, Development Environment, Programming Principles, Computer Programming, Other Programming Languages, Network Security, Communication Systems, Data Sharing
★ 2.8 (44) · Intermediate · Specialization · 3 - 6 Months

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: Embedded Systems, Embedded Software, Control Systems, Industrial Engineering, Computer Systems, C (Programming Language), Peripheral Devices, Wireless Networks, Computer Architecture, Cybersecurity, Electronics Engineering, Electronics, Cloud Computing, Electronic Components, Memory Management
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Algorithms, Data Management, Computational Thinking, Memory Management, C and C++, Software Design, Problem Solving, Complex Problem Solving
Mixed · Course · 1 - 3 Months

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
★ 4.7 (38) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Architecture, Mainframe Computing, Mainframe Technologies, Systems Architecture, Hardware Architecture, Data Storage, Computer Science, Computer Systems, Programming Principles, System Programming, Computational Logic, Computer Programming, Memory Management
★ 4.2 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Data Structures, Memory Management, Code Reusability, Package and Software Management, Blockchain, Development Environment, Web Development, Performance Testing, Programming Principles, System Programming, Algorithms, Integrated Development Environments, Software Testing
★ 3.7 (26) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Load Balancing, Scalability, Performance Tuning, Software Architecture, Microsoft Copilot, Application Design, Query Languages, AI Integrations, Software Design Patterns, Performance Testing, Application Performance Management, Distributed Computing, Database Management, SQL, Memory Management
★ 4.8 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Development Environment, Programming Principles, Data Structures, Memory Management, Integrated Development Environments
★ 3.7 (20) · Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Architecture, Hardware Architecture, Microarchitecture, Computer Systems, Computational Logic, Hardware Design, Computer Hardware, Programming Principles, System Programming, Systems Architecture, Program Development, Data Storage, Memory Management
★ 4.5 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Simulations, Computer Hardware, Performance Tuning, Memory Management
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Strategic Communication, Communication Planning, Target Audience, Campaign Planning, Corporate Communications, Stakeholder Communications, Public Relations, Marketing Communications, Advertising Campaigns, Media Strategy, Brand Strategy, Communication Strategies, Integrated Marketing Communications, Target Market, Media Planning, Promotional Strategies, Branding, Earned Media, Brand Management, Business Strategy
★ 4.5 (48) · Beginner · Course · 1 - 4 Weeks