
Skills you'll gain: Cucumber (Software), API Testing, Gherkin (Scripting Language), Behavior-Driven Development, JSON, Restful API, Apache Maven, Application Programming Interface (API), Test Tools, Test Case, Test Planning, Software Testing, Test Engineering, Test Script Development, Security Testing, Test Automation, Code Coverage, Authentications, Java Programming, Java
★ 4.9 (47) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Docker (Software), Web Applications, Containerization, Devops Tools, Virtual Networking, Microservices, YAML, Service Management, Memory Management, Command-Line Interface
★ 4.3 (7) · Intermediate · Course · 1 - 3 Months

Xi'an Jiaotong University
Skills you'll gain: File I/O, Programming Principles, C# (Programming Language), UI Components, File Systems, Microsoft Windows, User Interface (UI), Computer Graphics, File Management, Command-Line Interface, Event-Driven Programming, Application Design, Interactive Design, Application Development, Computer Graphic Techniques
★ 4.7 (7) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), API Design, Web Applications, Object Oriented Design, Software Design Patterns, Software Architecture, Command-Line Interface
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Application Security, Secure Coding, Security Software, Vulnerability Scanning, Security Controls, Intrusion Detection and Prevention, Security Awareness, Web Applications, PHP (Scripting Language), Application Frameworks, Browser Compatibility, Computer Programming
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Model Evaluation, Exploratory Data Analysis, Event-Driven Programming, Encryption, Server Side, Web Development, Regression Analysis, Apache, Model Training, Web Services, Classification Algorithms, Machine Learning Algorithms, Data Preprocessing, Public Key Cryptography Standards (PKCS), Web Scraping, Natural Language Processing, Web Applications, Key Management, Python Programming
★ 4.8 (75) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cybersecurity, IT Security Architecture, Information Systems Security, Local Area Networks, Cyber Attacks, Computer Security, Linux Commands, Windows PowerShell, Security Controls, Hardening, Vulnerability Scanning, Endpoint Security, Threat Detection, Linux, Network Architecture, Wireless Networks, Network Analysis
★ 4.6 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Performance Tuning, Game Design, User Interface (UI), Video Game Development, UI Components, 3D Assets, Interactive Design, User Interface (UI) Design, Simulation and Simulation Software, Animations, Virtual Environment, Simulations, Computer Graphics, User Interface and User Experience (UI/UX) Design, Computer Graphic Techniques, Animation and Game Design, Physics, Visualization (Computer Graphics), Scripting
Intermediate · Specialization · 3 - 6 Months

University of Glasgow
Skills you'll gain: Matlab, Data Visualization, Model Optimization, Scientific Visualization, Artificial Intelligence and Machine Learning (AI/ML), Mathematical Software, Data Literacy, Data Wrangling, Data Preprocessing, Mathematical Modeling, Engineering Analysis
★ 4.9 (76) · Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Data Lakes, Microsoft Azure, Stored Procedure, Data Architecture, Performance Tuning, Data Management, Query Languages, Data Manipulation, Scripting, SQL, Data Processing, Windows PowerShell, Microsoft Visual Studio, Command-Line Interface, Heat Maps
★ 5 (11) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, Authentications, Frontend Performance, Authorization (Computing), Web Applications, Web Development, User Experience Design
★ 4.8 (16) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Command-Line Interface, Open Shortest Path First (OSPF), Network Monitoring, Virtual Local Area Network (VLAN), Virtual Networking, Border Gateway Protocol, Network Security, Network Performance Management, Enterprise Architecture, Virtualization, Network Architecture, Network Routing, Network Planning And Design, Network Engineering, Infrastructure Security, Ansible, Network Infrastructure, General Networking, IT Automation
★ 4.5 (11) · Intermediate · Specialization · 3 - 6 Months