
LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, JSON, Software Architecture, Web Design and Development, Web Applications, Front-End Web Development, Web Development
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), Web Components, JavaScript Frameworks, UI Components, HTML and CSS, Routing Protocols, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Application Programming Interface (API), Web Design, Restful API, Javascript, Web Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: API Testing, Test Automation, Test Script Development, Application Programming Interface (API), Test Case, Restful API, Software Testing, Configuration Management, Java Programming
Intermediate · Guided Project · Less Than 2 Hours

SkillUp
Skills you'll gain: Hibernate (Java), Object-Relational Mapping, Spring Boot, Restful API, Java, NoSQL, Database Development, SQL, Databases, Database Design, Application Frameworks, Java Programming, Data Access, Database Management, Relational Databases, Back-End Web Development, Software Development
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Web Content Accessibility Guidelines, User Interface (UI), Usability, Web Design, Hypertext Markup Language (HTML), Front-End Web Development, UI Components, Semantic Web, Cascading Style Sheets (CSS), Javascript
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, Electronic Systems, Electrical Engineering, Engineering Analysis, Simulation and Simulation Software, Matlab, Technical Design
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Mathematical Software, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Automation, Web Scraping, Software Testing, Web Development Tools, Test Case, Browser Compatibility, Cascading Style Sheets (CSS)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Eclipse (Software), Java, Java Programming, Functional Design
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, Debugging, Software Development Methodologies, User Acceptance Testing (UAT), JUnit, Maintainability, Development Testing, Selenium (Software), Scalability, Automation, Software Technical Review, DevOps, Regression Testing, Test Execution Engine, Security Testing
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Microservices, Spring Framework, Spring Boot, YAML, MongoDB, Application Deployment, NoSQL, Ajax, Software Architecture, Java, Scalability, Load Balancing, Restful API, Web Applications, File Management
Mixed · Course · 1 - 3 Months

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