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.

Skillshare
Skills you'll gain: Logo Design, Packaging and Labeling, Adobe Illustrator, Brand Strategy, Competitive Analysis, Graphic and Visual Design, Presentations, Content Creation, Target Audience, Web Presence, Storytelling, Branding, Color Theory, Social Media Content, Typography, Design Strategies, Graphic Design, Animations, Design Software, Graphical Tools
★ 4.5 (29) · Beginner · Specialization · 3 - 6 Months
University of California, Irvine
Skills you'll gain: Blockchain, FinTech, Cryptography, Distributed Computing, Transaction Processing, Payment Systems, Cryptographic Protocols, Emerging Technologies, Digital Assets, Digital Transformation, Software Architecture, Data Integrity, Network Analysis
★ 4.2 (179) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Scraping, MySQL, SQL, JSON, Scripting, Data Persistence, Scripting Languages, Data Manipulation, Data Structures, Operational Databases, Query Languages, Database Management, Databases, Data Import/Export, Data Capture, Spatial Data Analysis, Python Programming, File I/O
★ 4.4 (111) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: MLOps (Machine Learning Operations), Continuous Delivery, Applied Machine Learning, Cloud Engineering, Google Cloud Platform, Model Deployment, Cloud Applications, Cloud Development, Cloud API, Cloud Deployment, Artificial Intelligence, Machine Learning, Microsoft Azure, AI Workflows, Software Engineering, Computer Vision, Application Programming Interface (API), Natural Language Processing, Flask (Web Framework)
★ 4.5 (92) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Security, Microsoft Outlook, Calendar Management, Gmail, Meeting Facilitation, Organizational Skills, Microsoft Office, Google Workspace, Scheduling, Encryption, Productivity Software
★ 4.7 (84) · Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Reinforcement Learning, Machine Learning Methods, Machine Learning Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Algorithms, Decision Intelligence, Markov Model, Deep Learning, Applied Machine Learning, Statistical Methods, Sampling (Statistics)
★ 4.4 (24) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Scripting, Programming Principles, Scripting Languages, Computer Programming, Data Storage, Program Development, Computer Programming Tools, Python Programming, Development Environment, Integrated Development Environments
★ 4 (143) · Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: NoSQL, Apache Hadoop, Control Systems, Apache Hive, Big Data, Machine Controls, Simulation and Simulation Software, Model Based Systems Engineering, Database Systems, Artificial Intelligence, Data Architecture, Data Infrastructure, Mechanical Engineering, Artificial Intelligence and Machine Learning (AI/ML), Computer Vision, Systems Architecture, Simulations, Global Positioning Systems, Business Intelligence, Robotics
★ 4.2 (87) · Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Scripting, Automation, Web Scraping, Software Testing, Cascading Style Sheets (CSS)
★ 4.7 (32) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, Prompt Engineering Tools, AI literacy, Document Management, Context Engineering, AI Integrations, Artificial Intelligence, Generative AI
★ 3.1 (7) · Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Architecture, Hardware Architecture, Microarchitecture, Computer Systems, Computational Logic, Hardware Design, Computer Hardware, Programming Principles, System Programming, Systems Architecture, Program Development, Data Storage, Memory Management
★ 4.5 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Verification And Validation, Theoretical Computer Science, System Testing, Embedded Software, Software Systems, Communication Systems, Systems Design, System Design and Implementation, Embedded Systems, Automation, Process Modeling, Behavioral Management, System Configuration, Markov Model
★ 4.4 (183) · Intermediate · Course · 1 - 4 Weeks