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.

Codio
Skills you'll gain: Matplotlib, Statistical Hypothesis Testing, Plot (Graphics), Data Analysis, Data Import/Export, Data Visualization, Data Cleansing, Probability & Statistics, Data Manipulation, Statistics, Descriptive Statistics, Pandas (Python Package), Correlation Analysis, Python Programming, Programming Principles, Computer Programming, Scripting, Computational Logic
Mixed · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon S3, Network Planning And Design, Identity and Access Management, Cloud Solutions, Cloud Management, Cloud Computing, Cloud Computing Architecture, Public Cloud, User Provisioning, Network Architecture, Virtual Networking, Cloud Infrastructure, Cloud Services, User Accounts, Solution Architecture
★ 4.8 (26) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Knowledge of Apple Software, Knowledge of Apple Hardware, Network Planning And Design, Wireless Networks, Azure Active Directory, Application Lifecycle Management, Cloud-Based Integration, Configuration Management, Encryption
Intermediate · Course · 3 - 6 Months
Skills you'll gain: OS Process Management, Operating Systems, C (Programming Language), Memory Management, System Programming, Virtualization, System Software, Virtualization and Virtual Machines, C and C++, Programming Principles, Application Programming Interface (API)
★ 4.5 (184) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Data Security, Microsoft Azure, Cloud Security, Databases, Database Management, Data Management, Data Access, Security Controls, Authorization (Computing), Role-Based Access Control (RBAC)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Event-Driven Programming, Application Development, Application Design, Debugging, Application Deployment, Program Development, Computer Graphics, Visualization (Computer Graphics), Maintainability, Development Environment, Computer Graphic Techniques, Application Lifecycle Management, Microsoft Windows, Context Management, Software Architecture, Memory Management
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: User Provisioning, User Accounts, Cloud Management, Mobile Security, Cloud Computing, Security Controls, Identity and Access Management, Cloud Security, Authentications, Security Assertion Markup Language (SAML), Cyber Security Policies, Single Sign-On (SSO), System Configuration, Google Workspace, Event Monitoring
★ 4.6 (2.2K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Foundry, Cloud Applications, Cloud Platforms, Command-Line Interface, Platform As A Service (PaaS), Cloud Development, User Accounts, Cloud Management, Scalability, Web Development Tools, Cloud Computing, Identity and Access Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Foundry, Cloud Deployment, Application Deployment, Cloud Applications, Command-Line Interface, Platform As A Service (PaaS), Cloud Platforms, Multi-Cloud, Cloud Computing, Cloud Management, Application Lifecycle Management, Web Development, HTML and CSS
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: OS Process Management, Operating Systems, System Programming, Performance Tuning, Data Structures, Event-Driven Programming, Data Access
★ 4.4 (36) · Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Cloud Deployment, Platform As A Service (PaaS), Cloud Platforms, Public Cloud, Application Development, Application Deployment, Cloud Computing, Cloud Applications, Software As A Service, Private Cloud, DevOps, Agile Methodology
★ 4.6 (11) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Secure Coding, Identity and Access Management, Web Applications, Authorization (Computing), Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Data Integrity, Server Side, Security Strategy, Package and Software Management, Patch Management
★ 4.9 (17) · Intermediate · Course · 1 - 4 Weeks