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.

Codio
Skills you'll gain: Prompt Engineering, OpenAI API, Multimodal Prompts, Generative AI, Photo Editing, OpenAI, Animations, Computer Graphics, Application Programming Interface (API), Graphic and Visual Design
★ 4.3 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Plot (Graphics), Scatter Plots, Programming Principles, Numerical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, .NET Framework, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), Web Development Tools, Restful API, Microsoft Azure, Web Applications, Application Frameworks, Application Development, Development Environment, Event-Driven Programming, Middleware, Software Installation
★ 2.6 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Web Design, Web Design and Development, Event-Driven Programming, Development Environment, Web Development, Integrated Development Environments, Scripting, Web Applications, Hypertext Markup Language (HTML), Programming Principles, Graphic and Visual Design, Front-End Web Development, Interactive Design, Animations, Software Installation, Web Analytics and SEO
★ 5 (7) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: R Programming, Alteryx, R (Software), Statistical Programming, Tableau Software, Data Cleansing, Dashboard Creation, Data Visualization Software, Dashboard, Data Visualization, Data Storytelling, Statistical Visualization, Interactive Data Visualization, Data Presentation, Data Analysis Software, Data Wrangling, Statistical Analysis, Workflow Management, Data Analysis, Data Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Digital Marketing Tools, Data Visualization, Data Entry, Google Sheets, Spreadsheet Software, Management Reporting, Business Reporting, Marketing Analytics, Market Analysis, Query Languages, Digital Marketing, Data Management, Data Validation
★ 4.6 (16) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Event-Driven Programming, Web Applications, Javascript, Data Import/Export, Data Management, Web Development, Data Mapping, User Interface (UI), Web Content Accessibility Guidelines, Interactive Design, Data Structures, Computational Logic, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Event-Driven Programming, Web Applications, Application Deployment, Web Development, Full-Stack Web Development, Hypertext Markup Language (HTML), Code Reusability, Programming Principles, GitHub, Object Oriented Design, Object Oriented Programming (OOP), Data Validation
Beginner · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Web Language, Content Management Systems, Web Development, Web Content Accessibility Guidelines, HTML and CSS, Hypertext Markup Language (HTML), Full-Stack Web Development, Web Development Tools, Data Ethics, Front-End Web Development, Intellectual Property, Systems Architecture, Back-End Web Development, Recruitment, Computer Architecture, Data Security
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Query Languages
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, Large Language Modeling, Generative AI Agents, AI Workflows, Context Management, Memory Management, Prompt Engineering, Agentic systems, Data Persistence, System Design and Implementation
★ 4.6 (18) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: SQL, Star Schema, Snowflake Schema, Database Theory, Databases, Database Management, Database Design, Relational Databases, Query Languages, Data Analysis, Data Management
Intermediate · Course · 3 - 6 Months