
LearnQuest
Skills you'll gain: Java Programming, Java, Application Servers, Web Applications, Development Environment, Object Oriented Programming (OOP), Application Development, Eclipse (Software), Program Development, Computer Programming, Object Oriented Design, Mobile Development, Programming Principles, UI Components, User Interface (UI), Virtual Machines, Command-Line Interface, Software Installation, Debugging
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), Linux Servers, System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Shell Script, Job Control Language (JCL), Unix Shell, File Management, User Accounts, Operating System Administration, Unix, Package and Software Management, Systems Administration, File Systems, TCP/IP, Unix Commands, System Monitoring, Disaster Recovery, System Software, System Configuration, Operating Systems, Hardware Troubleshooting, Identity and Access Management, Data Centers
Intermediate · Specialization · 3 - 6 Months
LearnQuest
Skills you'll gain: Oracle SQL Developer, SQL, Oracle Databases, PL/SQL, Database Design, Database Management Systems, Relational Databases, Database Management, Databases, Database Architecture and Administration, Data Storage, Transaction Processing, Stored Procedure, Data Management, Query Languages, Data Modeling, Network Architecture, Command-Line Interface, Data Integrity, Performance Tuning
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Debugging, Software Testing, Program Development, Pseudocode, Simulations, Computer Programming, Algorithms, Development Environment, C (Programming Language), Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), Ajax, React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Linux Commands, Command-Line Interface, Linux, Scripting
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: NoSQL, Database Management Systems, Data Warehousing, Database Systems, Database Administration, Databases, Database Architecture and Administration, Database Software, Database Management, Relational Databases, Database Design, MongoDB, Big Data, Data Architecture, Transaction Processing, Scalability
Build toward a degree
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Unix Commands, Command-Line Interface, Unix, Bash (Scripting Language), File Management, Shell Script, Linux Commands, Productivity, Computer Programming
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Responsive Web Design, Restful API, User Interface (UI) Design, Application Programming Interface (API), Web Development Tools, Database Design, HTML and CSS, User Interface and User Experience (UI/UX) Design, API Design, Front-End Web Development, MongoDB, Javascript, Postman API Platform, Bootstrap (Front-End Framework), React.js, Database Management, OAuth, Authentications, Relational Databases, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: OpenShift, Kubernetes, Cloud-Native Computing, Application Deployment, Cloud Applications, Containerization, Scalability, Cloud Platforms, Cloud Management, Development Environment, Docker (Software), Cloud Computing, Platform As A Service (PaaS), Continuous Deployment, YAML, Configuration Management, Network Routing, PostgreSQL, Performance Tuning, Command-Line Interface
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: OSI Models, TCP/IP, Network Routing, Network Troubleshooting, Network Planning And Design, Network Protocols, Networking Hardware, General Networking, Computer Networking, Command-Line Interface, Network Architecture, Network Administration
Beginner · Course · 1 - 3 Months