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.

Johns Hopkins University
Skills you'll gain: Ggplot2, Scatter Plots, Plot (Graphics), Data Visualization Software, Statistical Visualization, Heat Maps, R Programming, Data Wrangling, Tidyverse (R Package), Graphics Software
★ 4.9 (132) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Web Design and Development, Java Platform Enterprise Edition (J2EE), HTML and CSS, jQuery, Cascading Style Sheets (CSS), Data Validation, Web Applications, Responsive Web Design, Scripting, Scripting Languages, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Visualization (Computer Graphics), Java
★ 4.4 (71) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Cloud Hosting, Web Development, Cloud Deployment, Responsive Web Design, Web Design, Web Presence, Application Deployment, Typography, Servers, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, API Testing, Spring Boot, Authentications, Test Automation, JSON, Application Programming Interface (API), Test Script Development, Application Deployment, Spring Framework, Object-Relational Mapping, Web Services, Software Quality Assurance, Object Oriented Design, Software Testing, Business Logic, Back-End Web Development, Java Programming, Java
★ 4.9 (60) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: GitHub, Git (Version Control System), Devops Tools, Version Control, DevOps, Amazon Web Services, Collaborative Software, Software Versioning, Linux, Code Review
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Change Management, Scaled Agile Framework, Organizational Change, Culture Transformation, Organizational Development, Agile Methodology, Leadership Studies, Business Transformation, Scalability, Organizational Strategy, Case Studies
★ 4.8 (439) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub Copilot, Unit Testing, Test Script Development, Flask (Web Framework), Front-End Web Development, Web Applications, Web Development, Microsoft Visual Studio, Python Programming, Development Environment, User Interface (UI), Generative AI, Software Installation
★ 4.7 (18) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Unity Engine, Debugging, C# (Programming Language), Video Game Development, Development Testing, Scripting, Game Design, Development Environment, Event-Driven Programming, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Business Workflow Analysis, Business Process Automation, AI Workflows, Agentic Workflows, Prompt Engineering Tools, Generative AI Agents, AI Integrations, AI Orchestration, Automation, Model Deployment, AI Enablement, Performance Measurement, Generative AI, No-Code Development, Decision Intelligence, Process Optimization, System Monitoring, Scalability, Performance Analysis
★ 4.7 (17) · Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Large Language Modeling, LLM Application, Fine-tuning, Embeddings
★ 4.3 (11) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Development Environment, Integrated Development Environments, Software Installation, Web Analytics and SEO
Beginner · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Cloud Engineering, Site Reliability Engineering, Amazon CloudWatch, Amazon Elastic Compute Cloud, Failure Analysis, Disaster Recovery, Test Engineering, Cloud Infrastructure, System Testing, Simulations, Failure Mode And Effects Analysis, Scenario Testing
Beginner · Course · 1 - 3 Months