Software testing courses can help you learn test planning, test case design, automated testing, and performance testing. You can build skills in identifying bugs, writing effective test scripts, and using various testing methodologies. Many courses introduce tools like Selenium for automation, JUnit for unit testing, and JIRA for issue tracking, showing how these skills apply in real-world software development environments.

Skills you'll gain: Bash (Scripting Language), Linux Commands, Shell Script, Unix Shell, Linux Servers, Linux Administration, Unix Commands, Scripting, Network Troubleshooting, Scripting Languages, Command-Line Interface, Development Environment, Systems Administration, Virtual Machines, Virtualization, File Management, File I/O, User Accounts
★ 5 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, .NET Framework, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), Web Development Tools, Restful API, Microsoft Azure, Web Applications, Application Frameworks, Application Development, Development Environment, Event-Driven Programming, Middleware, Software Installation
★ 2.6 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Simulation and Simulation Software, Simulations, Data Sharing, Mathematical Modeling, Agentic systems, System Configuration, Systems Development, Biology, Life Sciences
★ 4.7 (12) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Animations, Adobe After Effects, File Management, Motion Graphics, Timelines, Graphics Software, Control Panels
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Consultative Selling, Closing (Sales), Sales Management, Verbal Communication Skills, Communication, Sales Prospecting, Selling Techniques, Sales Strategy, Consumer Behaviour, Sales, Marketing Psychology, Overcoming Objections, Communication Strategies, Initiative and Leadership, Customer Analysis, Sales Presentations, Regional Sales, Tenacity, Prospecting and Qualification, Sales Support
Beginner · Specialization · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Tableau Software, Data Visualization Software, Data Visualization, Interactive Data Visualization, Business Intelligence Software, Business Intelligence, Data Presentation, Data Integration, Data Access, Data Analysis, Data Import/Export, Data Manipulation, Real Time Data
★ 4.6 (11) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Distributed Computing, Scalability, Database Design, Database Management Systems, Database Systems, Database Theory, Database Architecture and Administration, Database Management, Relational Databases, SQL, Query Languages, Performance Tuning, Data Integrity
★ 3.3 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Docker (Software), Prometheus (Software), Cloud-Native Computing, Containerization, Package and Software Management, CI/CD, Grafana, DevOps, YAML, Application Deployment, Role-Based Access Control (RBAC), Application Programming Interface (API)
★ 5 (7) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Hardware Architecture, Microarchitecture, Memory Management, Cloud Development, Computer Programming Tools, Computing Platforms, OS Process Management
★ 4.4 (9) · Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Algorithms, Performance Tuning, Other Programming Languages, Functional Design, Performance Testing, Unsupervised Learning, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Advertising, Social Media Marketing, Social Media Content, Social Media Strategy, Social Media, Instagram, Marketing, Content Creation, Graphic Design, Graphic and Visual Design Software, Graphic and Visual Design
★ 4.1 (10) · Beginner · Guided Project · Less Than 2 Hours

AI Business School
Skills you'll gain: Agentic Workflows, Agentic systems, Productivity, No-Code Development, AI Workflows, AI Enablement, Business Process Automation, Automation, Artificial Intelligence, Business Technologies, Digital Transformation, Application Development, Operational Efficiency, Ideation, Process Optimization
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks