University of Michigan
Skills you'll gain: PHP (Scripting Language), MySQL, Database Application, Database Development, Object Oriented Programming (OOP), Application Development, Authentications, Web Applications, SQL, Server Side, Application Security
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Linux, Linux Commands, Linux Servers, Ubuntu, Linux Administration, File Management, Command-Line Interface, Unix Commands, Operating Systems, Web Servers, IT Automation, MySQL, Open Source Technology
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Commands, Network Troubleshooting, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, Shell Script, User Accounts, System Configuration, Network Administration, File Management, Identity and Access Management, General Networking, Firewall, Command-Line Interface, Security Controls
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Cassandra, Google Cloud Platform, Database Administration, Operational Databases, Query Languages, Database Design, Database Management
Beginner · Project · Less Than 2 Hours

Duke University
Skills you'll gain: Debugging, Programming Principles, Maintainability, Software Testing, Program Development, C (Programming Language), Algorithms, Pseudocode, Simulations, System Programming, Computer Programming, Data Structures, Software Development, Software Engineering, Command-Line Interface, Operating Systems, Development Environment, User Interface (UI), Problem Solving, Software Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Troubleshooting, Network Administration, Event Monitoring, Software Installation, System Configuration, Virtual Machines
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: SQL, Database Systems, Database Theory, Database Management, Query Languages, Database Design, Relational Databases, Database Administration, Database Application, Data Access, Data Science, Data Analysis, Data Manipulation, Data Modeling, Data Integrity
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Linux Administration, Linux, Linux Servers, Operating System Administration, User Accounts, Linux Commands, User Provisioning, Systems Administration, System Configuration, Hardening, Security Controls, Authorization (Computing), Computer Security, Network Administration, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: GitHub, Version Control, Git (Version Control System), Unix Commands, Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Software Configuration Management, File Management
Beginner · Course · 1 - 3 Months
University of California, Santa Cruz
Skills you'll gain: C (Programming Language), C++ (Programming Language), Debugging, Computer Programming, Data Structures, Object Oriented Programming (OOP), Command-Line Interface, File Systems
Intermediate · Course · 1 - 3 Months

Splunk Inc.
Skills you'll gain: Splunk, Data Visualization Software, Dashboard, Security Information and Event Management (SIEM), Ad Hoc Reporting, Business Intelligence, Data Analysis, Email Automation, Data Processing, Big Data, Data Science, Incident Management, Query Languages, Analysis, Incident Response, Business Analysis
Beginner · Course · 1 - 3 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