
Skills you'll gain: Operating Systems, Network Security, Hardware Troubleshooting, Desktop Support, Network Troubleshooting, Microsoft Windows, Computer Hardware, Command-Line Interface, Systems Administration, System Support, Unix, Mac OS, Unix Commands, Linux, System Configuration, Technical Support and Services, Operating System Administration, Network Infrastructure, Data Storage, Active Directory
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Linux Servers, 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: Git (Version Control System), GitHub, Version Control, Collaborative Software, Web Applications, Open Source Technology, Command-Line Interface, DevOps
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PHP (Scripting Language), MySQL, WordPress, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Restful API, DevOps, Linux, Full-Stack Web Development, Data Store, Command-Line Interface, Back-End Web Development, Server Side, Secure Coding, Scripting, Database Management, SQL, Javascript
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, Digital Signal Processing, C and C++, Distributed Computing, Computer Graphics, System Programming, Program Development, Performance Tuning, Hardware Architecture, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Python Programming, Unix Shell, Command-Line Interface, Programming Principles, Computer Programming, Scripting, Scripting Languages, Development Environment, Data Structures
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Data Structures
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Performance Tuning, Data-oriented programming, System Programming, C and C++, Computer Architecture, Algorithms, Development Environment, Debugging
Intermediate · Course · 1 - 3 Months

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

University of London
Skills you'll gain: Computer Security Incident Management, Linux, Network Security, Cyber Governance, IT Security Architecture, OSI Models, Incident Management, Incident Response, Security Management, Linux Commands, TCP/IP, Computer Systems, Threat Modeling, Command-Line Interface, Network Protocols, Computer Networking, Cybersecurity, Human Factors (Security), Cyber Threat Intelligence, Cyber Attacks
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Red Hat Enterprise Linux, Linux, Private Cloud, Linux Administration, Package and Software Management, Command-Line Interface, Operating System Administration, File Systems, Linux Commands, User Accounts, IBM Cloud, Unix Shell, File Management, OS Process Management, Cloud Management, Virtual Machines, Infrastructure As A Service (IaaS), Systems Administration, Virtualization, Cloud Computing
Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Object Oriented Programming (OOP), .NET Framework, C++ (Programming Language), Video Game Development, ASP.NET, Object-Relational Mapping, Software Engineering, Web Services, Application Development, Software Design Patterns, Database Management, Programming Principles, C (Programming Language)
Beginner · Course · 1 - 4 Weeks