
Scrimba
Skills you'll gain: Data Visualization, Data Presentation, Web Applications, Full-Stack Web Development, Data Store, Database Development, Query Languages, Data Persistence, Real Time Data, Javascript, User Interface (UI), Software Engineering, Authentications
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: IntelliJ IDEA, Apache Maven, Integrated Development Environments, Build Tools, Software Development Tools, Version Control, Git (Version Control System), Development Environment, Computer Graphics, Debugging, Scripting Languages, Visualization (Computer Graphics), Databases, Relational Databases
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: UI Components, JavaScript Frameworks, Web Frameworks, Event-Driven Programming, Data Import/Export, Web Applications, Front-End Web Development, Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Matplotlib, Statistical Hypothesis Testing, Data Analysis, Statistical Analysis, Data Import/Export, Data Cleansing, Probability & Statistics, Data Manipulation, Descriptive Statistics, Pandas (Python Package), Exploratory Data Analysis, Correlation Analysis, Python Programming, Programming Principles, Computer Programming, Computational Logic
Mixed · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Tools, Test Automation, Software Testing, Test Script Development, Test Case, Regression Testing, Test Execution Engine, Javascript and jQuery, Browser Compatibility, Automation, Software Design Patterns, UI Components, Java
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Behavior-Driven Development, Selenium (Software), Gherkin (Scripting Language), Test Automation, JUnit, Software Testing, Apache Maven, Test Data, Test Case, Scenario Testing, User Story, Java, Maintainability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: IntelliJ IDEA, Object Oriented Design, Debugging, Software Design, User Interface (UI), Integrated Development Environments, Java, Design Thinking, Program Development, Data Validation, Software Development, Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Accounts, Linux, Linux Administration, Shell Script, Linux Commands, Command-Line Interface, Operating System Administration, System Monitoring, Unix Commands, File Systems, Unix, File Management, Software Installation, Virtual Machines, System Configuration, Operating Systems, Network Troubleshooting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Integrated Development Environments, System Configuration
Beginner · Course · 3 - 6 Months

Skills you'll gain: Unix Shell, Unix, Unix Commands, Shell Script, Linux, Linux Administration, Authorization (Computing), System Configuration, Operating System Administration, User Accounts, Security Controls, File Management, Identity and Access Management, Systems Administration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), OAuth, Back-End Web Development, Eclipse (Software)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unix Commands, Unix, Command-Line Interface, Linux Commands, Linux, Shell Script, File Systems, File Management
Beginner · Course · 1 - 4 Weeks