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: Algorithms, Data Structures, Java, Java Programming, Other Programming Languages
★ 3.6 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Graphic and Visual Design, Adobe Creative Cloud, Graphic Design, Logo Design, Graphics Software, Graphic and Visual Design Software, Computer Graphic Techniques, Digital Design
★ 4.5 (10) · Intermediate · Guided Project · Less Than 2 Hours

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: 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, Patch Management
★ 4.9 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Presentations, Productivity Software, Multimedia, Business Communication, Content Creation, User Accounts, Web Presence, Graphic Design, Business Development
★ 4.9 (14) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Timelines, Project Schedules, Project Documentation, Microsoft Excel, Project Scoping, Project Management Software, Microsoft 365, Microsoft Office, Presentations, User Accounts
★ 3.9 (11) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Education Software and Technology, Digital pedagogy
★ 4.9 (12) · Beginner · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Analysis, Spatial Data Analysis, GIS Software, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, Geostatistics, Interactive Data Visualization, Data Integration, Data Mapping, Augmented Reality, Statistical Analysis, Sampling (Statistics)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Sales Presentation, Canva (Software), Sales Presentations, Visual Storytelling, AI powered creativity, Presentations, Microsoft PowerPoint, Advertising, Prompt Engineering, Branding, Photo Editing, Video Editing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Cleansing, PySpark, Data Manipulation, Data Preprocessing, Data Processing, Apache Spark, Data Analysis, Applied Machine Learning, Predictive Modeling, Big Data, Machine Learning, Regression Analysis, Model Training
★ 4.7 (34) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Unified Modeling Language, Visual Basic (Programming Language), Data Structures, Object Oriented Design, Microsoft Visual Studio, Program Development, Data Storage, Programming Principles, Object Oriented Programming (OOP), Microsoft Development Tools, .NET Framework, Computer Programming
★ 4.5 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Documentation, Technical Writing, Document Management, Technical Communication, Writing, Microsoft Office, Editing, Business Writing
★ 4.8 (18) · Beginner · Guided Project · Less Than 2 Hours