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.

Skills you'll gain: Microsoft SQL Servers, Relational Databases, Database Design, Database Theory, Database Development, SQL, Database Systems, Database Management Systems, Database Management, Query Languages, Databases, Database Software, Database Architecture and Administration, Data Integrity, Microsoft Servers, Servers, System Configuration, Software Installation, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Agentic Workflows, AI Workflows, Agentic systems, No-Code Development, Generative AI Agents, AI Integrations, Front-End Web Development, Database Management, Databases, Vibe coding, Web Design and Development, Data Store, Application Development, Authentications, User Interface (UI) Design, Real Time Data, Application Programming Interface (API), Application Deployment, Payment Systems
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Business Metrics, Model Training, Feature Engineering, Predictive Modeling, Random Forest Algorithm, Supervised Learning, Scikit Learn (Machine Learning Library), Performance Metric, Machine Learning Algorithms, Regression Analysis, Continuous Monitoring, Statistical Methods
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Technical Documentation, Artificial Neural Networks, PyTorch (Machine Learning Library), Model Training, Deep Learning, Model Optimization, Applied Machine Learning, Network Model, Network Architecture, Supervised Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, HTML and CSS, Responsive Web Design, Web Design, Web Design and Development, Cascading Style Sheets (CSS), User Interface (UI), Interactive Design, User Interface (UI) Design, Design, Javascript, Front-End Web Development, Interaction Design, Hypertext Markup Language (HTML), Animations, Web Development, Web Applications, Event-Driven Programming
Intermediate · Course · 3 - 6 Months

Skills you'll gain: SQL, SAS (Software), Query Languages, Data-Driven Decision-Making, Data Processing, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Data Integration, Data Processing, Enterprise Application Management, Performance Tuning, Data Manipulation, Data Analysis, Distributed Computing, Data Import/Export, SQL, Analysis, Data Transformation, Database Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Automation, Software Testing, Java, Test Data, Web Scraping, Java Programming, Software Design Patterns, Code Reusability, Maintainability, Object Oriented Programming (OOP), Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Remote Access Systems, Firewall, Virtual Machines, Virtual Networking, Cloud Hosting, TCP/IP, Identity and Access Management, Proxy Servers
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Database Design, Database Development, Database Application, Java Programming, Full-Stack Web Development, Web Development, Server Side, Control Panels, Role-Based Access Control (RBAC), Data Access, User Accounts, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Ajax, Full-Stack Web Development, API Design, Node.JS, Postman API Platform, Web Applications, Application Programming Interface (API), Back-End Web Development, Web Development Tools, Frontend Integration, API Testing, Web Development, Javascript, Front-End Web Development, Middleware, Code Reusability
Advanced · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Integration Testing, Software Testing, Software Quality Assurance, Code Coverage, Test Automation, White-Box Testing, Test Case, Test Tools, Regression Testing, Quality Assurance, Security Testing, Performance Testing, Usability Testing, Continuous Integration, Performance Metric, Graph Theory
Mixed · Course · 1 - 3 Months