Programming languages courses can help you learn syntax, data structures, algorithms, and object-oriented programming. You can build skills in debugging, code optimization, and software development methodologies. Many courses introduce tools like Git for version control, integrated development environments (IDEs) such as Visual Studio Code, and frameworks like React or Django, that support creating robust applications and enhancing your coding efficiency.

Skills you'll gain: Git (Version Control System), Selenium (Software), Version Control, GitHub, Jenkins, CI/CD, Test Automation, Test Script Development, Test Tools, Browser Compatibility, Test Data, Java, SQL, MySQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Web Applications, Penetration Testing, Application Security, Security Controls, Vulnerability Assessments, Application Programming Interface (API), Exploitation techniques, Web Servers, Cloud Security, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, API Design, ASP.NET, Object-Relational Mapping, Databases, Query Languages, Back-End Web Development, Application Programming Interface (API), Restful API, Code Review, Database Design, SQL, Data Access, Data Manipulation, C# (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours
Duke University
Skills you'll gain: Financial Reporting, Accounting, Budgeting, Financial Statements, Financial Analysis, Financial Management, Financial Planning, Asset Management, Tax, Investment Management, Tax Compliance, Ethical Standards And Conduct, Fundraising
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Bayesian Network, Numerical Analysis, Estimation, Simulations, Matlab, Mathematical Modeling, Applied Mathematics, Engineering Analysis, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Payment Systems, User Interface (UI), UI Components, MySQL, Application Design, Database Application, Python Programming, Transaction Processing, Application Development, User Interface (UI) Design, Database Management, Debugging
Mixed · Course · 1 - 4 Weeks

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

Skills you'll gain: Angular, Web Development Tools, Frontend Performance, TypeScript, Server Side, Web Development, Build Tools
Intermediate · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: MySQL, Database Design, Python Programming, User Interface (UI) Design, UI Components, Database Application, Database Management, Software Design, Application Development, Data Access
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Restful API, Application Programming Interface (API), Test Script Development, Software Testing, JSON, Data Validation, Test Automation, Test Case, Development Environment
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Unity Engine, Virtual Environment, 3D Assets, Software Installation, Game Design, Animation and Game Design, Development Environment, User Interface (UI)
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: DevSecOps, DevOps, User Centered Design, Usability, Systems Integration, User Experience Design, Continuous Delivery, Systems Development, System Implementation, Human Computer Interaction, Continuous Integration, Application Security, Agile Methodology, Data Ethics, Information Systems, Secure Coding, Security Testing, User Feedback, Project Management Software, Database Management Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months