Programming languages courses can help you learn syntax, data structures, algorithms, and object-oriented programming. You can build skills in debugging, code optimization, and software development methodologies. Many courses introduce tools like Git for version control, integrated development environments (IDEs) such as Visual Studio Code, and frameworks like React or Django, that support creating robust applications and enhancing your coding efficiency.

Fudan University
Skills you'll gain: Unity Engine, Game Design, Video Game Development, Mobile Development, Cloud Deployment, Intellectual Property, User Interface (UI), Android (Operating System), C# (Programming Language), Conceptual Design, 3D Assets, Animation and Game Design, Animations, System Design and Implementation, Visualization (Computer Graphics), Prototyping, Data Analysis Software, Computer Graphics, Company, Product, and Service Knowledge, Performance Tuning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Bash (Scripting Language), Network Monitoring, Exploit development, System Configuration, Digital Forensics, Virtualization
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Postman API Platform, API Testing, JSON, Application Programming Interface (API), Test Script Development, Software Testing, Restful API, Test Case, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: SQL, Database Design, Database Management, Data Analysis, Database Architecture and Administration, Data Cleansing, Data Transformation, Data Manipulation, Query Languages, Analytics, GitHub, Data Integration, AI Enablement, Git (Version Control System), Performance Tuning
Beginner · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Deep Learning, Convolutional Neural Networks, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Applied Machine Learning, Supervised Learning, Logistic Regression, Classification Algorithms, Model Evaluation
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Make.com, Email Automation, DeepSeek API, Deepseek, Workflow Management, AI Workflows, No-Code Development, User Interface (UI), LLM Application, Operational Efficiency, Human Computer Interaction, Agentic Workflows, AI Enablement, Application Design, Large Language Modeling, Automation, Application Programming Interface (API), Natural Language Processing, Prompt Engineering, Debugging
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Blockchain, Network Security, Security Engineering, Computer Security, Infrastructure Security, Data Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Key Management, Scalability, Distributed Computing, Data Integrity, Exploitation techniques, Algorithms
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Load Balancing, Application Servers, Restful API, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development Tools, Browser Compatibility, Application Deployment, Front-End Web Development, Web Development, Animations, Development Environment, UI Components, Usability, Javascript, Frontend Performance, Maintainability, User Interface (UI)
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Robotics, Automation, Artificial Intelligence, Simulation and Simulation Software, Control Systems, Simulations, Algorithms, Linear Algebra, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Language Learning, Cultural Sensitivity, Oral Comprehension, Greeting Customers, Vocabulary, Oral Expression, Communication
Mixed · Course · 1 - 3 Months