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: Firewall, Ubuntu, Network Monitoring, TCP/IP, Networking Hardware, Data Storage, Network Protocols, Network Troubleshooting, Unix, General Networking, Linux, Network Support, File Systems, Linux Administration, Unix Commands, Computer Networking, Unix Shell, Command-Line Interface, Data Storage Technologies, Shell Script
★ 4.2 (6) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Intellectual Property, Case Studies, Legal Risk, Law, Regulation, and Compliance, Asset Protection, Case Law, Legal Strategy, Branding, Lawsuits, Legal Proceedings, Market Dynamics, Litigation and Civil Justice, Emerging Technologies, Appeals, Music, Technical Standard, Musical Composition
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Email Marketing, Personalized Campaigns, Email Automation, Persona Development, AI Personalization, ChatGPT, Target Audience, Marketing Automation, Content Creation, AI Integrations
★ 4.9 (21) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Version Control, GitHub, Django (Web Framework), Git (Version Control System), Application Deployment, Object-Relational Mapping, Development Environment, Unit Testing, Cloud Deployment, Database Development, Bootstrap (Front-End Framework), Model View Controller, Database Management, Virtual Environment, Program Development, HTML and CSS, Python Programming
★ 4.7 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Logistic Regression, Data Cleansing, Apache Spark, PySpark, Data Manipulation, Applied Machine Learning, Predictive Modeling, Data Science, Machine Learning, Python Programming
★ 4.6 (22) · Intermediate · Guided Project · Less Than 2 Hours

University of Leeds
Skills you'll gain: Resource Allocation, Production Planning, Graph Theory, Data-Driven Decision-Making, Production Schedule, Decision Making, Mathematical Modeling, Process Optimization, Network Planning And Design, Network Model, Mathematical Software, Model Optimization, Computational Logic, Algorithms, Cryptography
★ 4.8 (15) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Project Management Software, Collaborative Software, Productivity Software, Organizational Skills, User Accounts, User Provisioning
★ 4.8 (11) · Beginner · 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
Coursera
Skills you'll gain: Organizational Skills, Business Reporting, Small Business Accounting, User Accounts, Billing, Invoicing
★ 4.8 (6) · Beginner · Guided Project · Less Than 2 Hours

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

Codio
Skills you'll gain: Go (Programming Language), Package and Software Management, Object Oriented Programming (OOP), Web Services, Web Frameworks, Debugging, Python Programming, Server Side, Performance Tuning, Other Programming Languages, Software Engineering, Programming Principles
★ 3.6 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Unified Modeling Language, Visual Basic (Programming Language), Object Oriented Programming (OOP), Microsoft Visual Studio, Object Oriented Design, Program Development, Microsoft Development Tools, .NET Framework, Code Reusability, Software Engineering, Data Structures
★ 4.6 (16) · Intermediate · Course · 1 - 4 Weeks