Free programming courses can help you learn coding languages like Python, JavaScript, and Ruby, along with foundational concepts such as algorithms and data structures. You can build practical skills in web development, software debugging, and creating applications, which are crucial for tackling real-world challenges.

Microsoft
Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Microsoft Azure, Cyber Governance, System Monitoring, Identity and Access Management, Cloud Security, Enterprise Security, Data Governance, Authorization (Computing), Multi-Factor Authentication, User Accounts, Authentications
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Ruby (Programming Language), Scripting Languages, Scripting, Devops Tools, DevOps, Computer Programming Tools, Software Development Tools
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Applicant Tracking Systems, Workforce Management, Talent Acquisition, Talent Management, Staff Management, Payroll, Team Management, Timelines, Data Entry, Scheduling
Intermediate · Guided Project · Less Than 2 Hours

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Pseudocode, Theoretical Computer Science, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Server Side, Context Management, Business Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java, Java Programming, Application Development, Programming Principles, Data Storage, Data Entry, Computer Programming, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Constructive Feedback, Sales Presentation, Client Services, Data Storage, Video Editing, Social Media, Style Guides, Rapport Building, Active Listening, Social Media Marketing, File Management, Customer Relationship Building, Cloud Storage, Expectation Management, Data Management, Instagram, Relationship Management, Post-Production, Storyboarding, Self-Motivation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Mathematics Education, Education Software and Technology
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Exploratory Data Analysis, Pandas (Python Package), Seaborn, Jupyter, Matplotlib, Data Analysis, Statistical Analysis, NumPy, Data Cleansing, Descriptive Statistics, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Natural Language Processing, Large Language Modeling, Model Evaluation, Recurrent Neural Networks (RNNs), Classification Algorithms, Data Ethics, Responsible AI, Text Mining, Transfer Learning, Machine Learning Methods, PyTorch (Machine Learning Library), Artificial Neural Networks, Data Preprocessing, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Data Processing, Embeddings, Machine Learning, Data Analysis, Data Cleansing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microservices, Scalability, Software Architecture, CI/CD, API Gateway, Systems Architecture, Containerization, Software Design, Serverless Computing, Application Design, Solution Architecture, Docker (Software), Software Design Patterns, Systems Design, Kubernetes, Service Oriented Architecture, Event-Driven Programming, Transaction Processing, Cloud Deployment, Data Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Star Schema, Microsoft SQL Servers, Database Design, Relational Databases, SQL, Data Warehousing, Query Languages, Database Architecture and Administration, Data Integrity, Power BI, Business Intelligence, Performance Tuning, Generative AI
Beginner · Course · 1 - 4 Weeks