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: Remote Access Systems, Firewall, Virtual Machines, Virtual Networking, Cloud Hosting, TCP/IP, Identity and Access Management, Proxy Servers
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Data Persistence, Virtual Networking, Proxy Servers, Network Monitoring, Key Management, Disaster Recovery
Advanced · Course · 3 - 6 Months

Skills you'll gain: Authorization (Computing), Devops Tools, Proxy Servers, Role-Based Access Control (RBAC), Identity and Access Management, System Configuration, Disaster Recovery, Configuration Management, Cryptographic Protocols, Data Centers, Distributed Computing, Security Controls, Key Management, Service Management, Data Store, Authentications, Encryption, Scalability
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Brand Awareness, Social Media Marketing, Crisis Management, Social Media Analytics, Brand Marketing, Social Media, Branding, Brand Management, Marketing Effectiveness, Advertising Campaigns, Social Media Campaigns, Brand Strategy, Public Relations, Brand Loyalty, Earned Media, Customer Insights, Text Mining, Case Studies, Content Performance Analysis, Marketing Strategies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Authentications, Role-Based Access Control (RBAC), Enterprise Security, Multi-Tenant Cloud Environments, Key Management, Security Controls, OAuth, Identity and Access Management, Authorization (Computing), Encryption, User Accounts, YAML, Proxy Servers
Advanced · Course · 1 - 3 Months

Packt
Skills you'll gain: Test Driven Development (TDD), C and C++, C++ (Programming Language), Debugging, Maintainability, C (Programming Language), System Programming, Functional Design, Secure Coding, Software Architecture, Cross Platform Development, Memory Management, Interoperability, Performance Tuning, Network Troubleshooting
Beginner · Course · 1 - 3 Months

Sage Publications
Skills you'll gain: Social Media Strategy, Digital Media Strategy, Paid media, Social Media Marketing, Social Media, Social Media Management, Social Media Content, Service Recovery, Social Media Analytics, Marketing Communications, Digital Marketing, Employee Engagement, Earned Media, Marketing, Consumer Behaviour, Customer Complaint Resolution, Brand Management, Brand Loyalty, Drive Engagement, Content Creation
Beginner · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Google Cloud Platform, Proxy Servers, Network Support, Server Side
Beginner · Project · Less Than 2 Hours

Pragmatic AI Labs
Skills you'll gain: Rust (Programming Language), Algorithms, Performance Tuning, Theoretical Computer Science, Performance Testing, Data Structures, Python Programming, Memory Management, Verification And Validation, Computer Programming Tools
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Secure Coding, Application Security, Mobile Security, Vulnerability Assessments, Vulnerability Management, Application Frameworks, Risk Management Framework, Cyber Security Policies, Computer Security, C and C++, Java Programming, C++ (Programming Language), PHP (Scripting Language), Python Programming, C (Programming Language), Memory Management
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Serverless Computing, Amazon Web Services, Amazon S3, Rust (Programming Language), Other Programming Languages, Cloud-Native Computing, Cloud Deployment, Performance Tuning, Data Engineering, Computing Platforms, Event-Driven Programming, Performance Testing, Ruby (Programming Language), Cloud Computing, Development Environment, Application Deployment, Build Tools, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management, Scalability, Performance Tuning, .NET Framework, C# (Programming Language), System Programming, C (Programming Language), Debugging, Data Structures, Software Engineering, Interoperability
Intermediate · Course · 1 - 3 Months