
EDUCBA
Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Unix, Scripting, Scripting Languages, Linux Commands, Command-Line Interface, Linux, File Systems, Programming Principles
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, Web Services, JSON, Application Frameworks, Model View Controller, Web Applications, Back-End Web Development, Application Programming Interface (API), Server Side, Extensible Markup Language (XML), Application Security, Object-Relational Mapping
Intermediate · Course · 1 - 4 Weeks

Cloudera
Skills you'll gain: SQL, Apache Hive, Big Data, MySQL, Databases, PostgreSQL, Data Manipulation, Data Analysis, Virtual Machines
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), JSON, Web Applications, Software Architecture, Server Side
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hive, Database Management, SQL, Big Data, Databases, Data Management, Amazon S3, Apache Hadoop, Data Storage, Cloud Storage, Performance Tuning, File Systems, Command-Line Interface
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Exploitation techniques, Cybersecurity, Vulnerability Assessments, Vulnerability Scanning, Linux, Operating System Administration, Command-Line Interface, Linux Commands, Cryptography, File Management, Virtual Environment, Microsoft Windows, Scripting
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Server Side, Web Applications, Javascript, JSON, Node.JS, PHP (Scripting Language), Restful API, Application Programming Interface (API), Extensible Markup Language (XML), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Containerization, Application Deployment, Kubernetes, Devops Tools, Cloud-Native Computing, Software Installation, YAML, CI/CD, DevOps, Linux Commands, Data Storage, Virtualization, Command-Line Interface, Scalability
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, JavaScript Frameworks, Pseudocode, Computational Thinking, JSON, Web Development, Web Applications, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Data Structures, Object Oriented Programming (OOP), Data Management, Programming Principles, Unit Testing, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Relational Databases, Database Design, Database Development, SQL, Database Management, Databases, Data Integrity
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Linux Commands, Command-Line Interface, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OSI Models, TCP/IP, Network Monitoring, Network Protocols, Network Troubleshooting, Network Security, Network Administration, Network Analysis, Cyber Security Assessment, Linux
Intermediate · Guided Project · Less Than 2 Hours