
Packt
Skills you'll gain: Ruby (Programming Language), File I/O, Object Oriented Programming (OOP), Ruby on Rails, Debugging, Test Tools, Application Design, Code Reusability, Programming Principles, Test Case, Software Documentation, Development Environment, Integrated Development Environments, Computer Programming, Data Structures, Apple Xcode, Web Development, Software Installation, Technical Documentation, Computational Logic
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Database Application, Python Programming, Unit Testing, Computer Programming, Restful API, Cross Platform Development, Package and Software Management, Scripting, Data Science, Program Development, Computer Programming Tools, Software Development, Data Processing, Debugging, Programming Principles, User Interface (UI) Design, Regression Analysis, Machine Learning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Test Automation, Test Script Development, Continuous Integration, CI/CD, Software Testing, Test Execution Engine, Test Tools, Test Case, Test Data, Debugging, Maintainability, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Prompt Engineering, LLM Application, Large Language Modeling, Retrieval-Augmented Generation, Vector Databases, Tool Calling, Embeddings, OpenAI API, ChatGPT, Google Gemini, AI Workflows, Generative AI Agents, Token Optimization, Agentic Workflows
★ 4.2 (29) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Cybersecurity, Brute-force attacks, Python Programming, Key Management, Programming Principles, File I/O, Computational Logic, Program Development, Algorithms, Debugging, Code Reusability, Scripting, Data Mapping, Software Testing, User Interface (UI), UI Components, Data Structures, Application Development
★ 4.9 (14) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Shell Script, Linux, Scripting, Linux Commands, Linux Administration, Unix Shell, Scripting Languages, Operating System Administration, Data Persistence, Systems Administration, Command-Line Interface, IT Automation, Software Installation, Data Store, Linux Servers, Cloud Hosting, Object-Relational Mapping, YAML, Automation
★ 4.8 (48) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Bash (Scripting Language), Test Automation, Unit Testing, Development Testing, Test Script Development, Scripting, Unix Shell, Software Testing, Shell Script, File I/O, Test Driven Development (TDD), Linux Commands, Unix Commands, Scripting Languages, Development Environment, Operating Systems, Linux, Command-Line Interface, File Management, OS Process Management
★ 4.7 (6.6K) · Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Rust (Programming Language), Memory Management, Application Programming Interface (API), Server Side, Code Reusability, Back-End Web Development, System Programming, Web Frameworks, Web Development, Web Servers, Software Documentation, Scalability, Integrated Development Environments, Data Analysis, Maintainability, Network Protocols, Application Development, Authentications
★ 3.7 (27) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, R (Software), Plot (Graphics), Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Wrangling, Data Visualization, Data Preprocessing, Technical Documentation, Visualization (Computer Graphics), Unit Testing, Object Oriented Programming (OOP), Object Oriented Design
★ 4.2 (1.5K) · Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Ruby on Rails, Model View Controller, Ruby (Programming Language), Object-Relational Mapping, Test Automation, Restful API, Unit Testing, Application Deployment, Web Applications, Web Development, Cloud Deployment, Authentications, Development Environment, Data Modeling, Relational Databases, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, File Management, Python Programming, Data Import/Export, Context Management
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Hypertext Markup Language (HTML), Software Documentation, Technical Documentation, Web Development, Technical Writing
★ 4.3 (11) · Beginner · Course · 1 - 4 Weeks