Computer courses can help you learn programming languages like Python and Java, data structures, algorithms, and web development fundamentals. You can build skills in software design, debugging, and database management, along with understanding cybersecurity principles. Many courses introduce tools such as Git for version control, SQL for database queries, and frameworks like React for building user interfaces, demonstrating how these skills are applied in real-world projects.

LearnQuest
Skills you'll gain: Docker (Software), Containerization, Microservices, Application Deployment, CI/CD, Data Persistence, DevOps, YAML, Software Development, Virtualization, Application Security, Virtual Networking, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Relational Databases, Databases, Java, Web Servers, SQL, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence, Context Management
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Systems Design, Software Design, Computational Logic, Computer Engineering, Embedded Systems, Hardware Architecture, Simulations, Test Automation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Android (Operating System), Android Development, Mobile Development, Software Architecture, Performance Tuning, Middleware, Linux, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Business Process Automation, Agentic Workflows, Generative AI Agents, AI Enablement, AI Orchestration, Automation, AI Product Strategy, Business Workflow Analysis, Process Optimization, Responsible AI, Customer experience improvement, Case Studies, Scalability, Organizational Change, Performance Measurement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Test Case, Test Data, Authentications, Java
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cryptographic Protocols, Blockchain, Business Continuity, Cryptography, Disaster Recovery, Vulnerability Assessments, Enterprise Security, Regulation and Legal Compliance, Data Security, Application Frameworks, Cybersecurity, Emerging Technologies, Distributed Computing, Transaction Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Linux Commands, Shell Script, Unix Shell, Linux Administration, Scripting, Network Troubleshooting, Command-Line Interface, Systems Administration, Virtual Machines, Virtualization, Software Installation, System Monitoring, File Management, User Accounts
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, OpenAI API, LLM Application, Prompt Engineering, Model Deployment, Back-End Web Development, Restful API, Application Programming Interface (API), Web Development, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: R Programming, Statistical Analysis, Statistical Programming, Ggplot2, Data Manipulation, Statistical Software, Data Visualization, Exploratory Data Analysis, Data Import/Export, Simulations, Data Structures, Software Installation
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Mockups, Test Case, Test Driven Development (TDD), Java
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Secure Coding, Application Security, Software Design Patterns, Web Applications, Application Development, Debugging, Transaction Processing, Scalability
Intermediate · Course · 1 - 4 Weeks