Computer programming courses can help you learn coding languages like Python, Java, and JavaScript, along with concepts such as algorithms, data structures, and software development principles. You can build skills in debugging, version control, and writing efficient code. Many courses introduce tools like Git for version control, integrated development environments (IDEs) like Visual Studio Code, and frameworks such as React or Django, that support developing applications and enhancing your programming capabilities.

Skills you'll gain: Network Troubleshooting, Computer Security Incident Management, Incident Response, Cybersecurity, Cyber Attacks, Cyber Security Policies, Networking Hardware, Threat Detection, Technical Support, Network Security, General Networking, Computer Networking, Network Architecture, Network Administration, Network Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Jest (JavaScript Testing Framework), Application Deployment, Unit Testing, JavaScript Frameworks, Data Structures, Back-End Web Development, Restful API, Application Programming Interface (API), Development Environment, Javascript, Front-End Web Development
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, Web Content Accessibility Guidelines, Game Design, Front-End Web Development, Application Programming Interface (API), User Interface (UI), Web Components, Usability, JavaScript Frameworks, Web Development Tools, Web Frameworks, Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Content Management Systems, Authentications, Role-Based Access Control (RBAC), Application Deployment, Authorization (Computing), Cloud Deployment, Web Components, Content Management, Restful API, API Design, Continuous Deployment, TypeScript, Application Programming Interface (API), Web Analytics and SEO, Query Languages, Web Applications, Business Logic, Web Development Tools, Package and Software Management, Software Architecture
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, LangChain, LLM Application, Large Language Modeling, PostgreSQL, Database Systems, User Interface (UI), Prompt Patterns, Human Computer Interaction, UI Components, User Interface (UI) Design, Artificial Intelligence, Cloud Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, Network Security, Network Analysis, Network Protocols, Open Source Technology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization Software, Data Visualization, Statistical Visualization, Ggplot2, Plot (Graphics), R Programming, Scatter Plots, Data Collection, Data Analysis, Data Manipulation, Data Import/Export, Regression Analysis, Data Preprocessing, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Database Administration, Relational Databases, Database Management Systems, Database Architecture and Administration, Data Import/Export, Patch Management, Database Systems, Operational Databases, Multi-Tenant Cloud Environments, Data Migration, Database Management, Data Storage Technologies, Software Installation, Performance Tuning, User Accounts, System Configuration, SQL, Virtual Environment, Disaster Recovery
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: OAuth, JSON, Data Wrangling, Application Programming Interface (API), API Design, Application Security
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Infographics, Data Visualization, Graphic and Visual Design, Graphic Design, Marketing Communications, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

University of Zurich
Skills you'll gain: Extensible Markup Language (XML), Natural Language Processing, Multilingualism, Language Interpretation, Translation, and Studies, Unstructured Data, Machine Learning Methods, Document Management, Data Quality
Beginner · Course · 1 - 3 Months