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: Data Structures, Graph Theory, Algorithms, Java Programming, Java, Data Management, Secure Coding, Theoretical Computer Science, Performance Tuning, Computer Programming
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Memory Management, C++ (Programming Language)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Data Preprocessing, Data Cleansing, Apache Spark, Extract, Transform, Load, Data Processing, Data Pipelines, Data Transformation, Amazon Web Services, Data Wrangling, Responsible AI, Data Quality, Data Integrity, Data Validation, Model Training, Personally Identifiable Information
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PostgreSQL, Database Administration, Relational Databases, Database Design, Database Management, Database Architecture and Administration, Database Development, SQL, Transaction Processing, Query Languages
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Logo Design, Animations, Adobe After Effects, Motion Graphics, Graphic Design, Design Elements And Principles
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Design, Adobe Photoshop, Creative Design, Typography, 3D Modeling, 3D Assets, Graphical Tools, Color Theory, Visualization (Computer Graphics), Computer Graphics, Computer Graphic Techniques, Adobe Creative Cloud
Intermediate · Guided Project · Less Than 2 Hours

Pragmatic AI Labs
Skills you'll gain: Linux, Linux Commands, File Management, Unix Commands, Unix Shell, Bash (Scripting Language), Command-Line Interface, Shell Script, Linux Administration, File Systems, Linux Servers, Development Environment, GitHub, GitHub Copilot, Microsoft Azure
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Script Development, Test Automation, Test Tools, Verification And Validation, Software Testing, Scenario Testing, Web Development Tools, Test Case, Development Testing, Data Validation, Debugging
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: PostgreSQL, Data Maintenance, Database Administration, Database Architecture and Administration, SQL, Disaster Recovery, Secure Coding, Database Management, Relational Databases, Database Management Systems, Query Languages, Security Controls, Data Access, Data Security, Role-Based Access Control (RBAC), Threat Management, Threat Detection
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Swift Programming, Memory Management, iOS Development, Apple Xcode, Code Reusability, Mobile Development, Cross Platform Development, Functional Design, Maintainability, Object Oriented Programming (OOP)
Advanced · Course · 3 - 6 Months

Skills you'll gain: Unreal Engine, 3D Assets, Virtual Environment, Game Design, 3D Modeling, Video Game Development, Animation and Game Design, Prototyping, Design Strategies, Layout Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Application Deployment, User Accounts, Cloud Deployment, Cloud Applications, .NET Framework, Authorization (Computing), Role-Based Access Control (RBAC), Microsoft Azure, Identity and Access Management, Model View Controller, Bootstrap (Front-End Framework), Databases, Database Management, Email Automation, Debugging
Advanced · Course · 1 - 4 Weeks