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: Quantum computing, Algorithms, IBM Cloud, Cryptography, Python Programming, Mathematical Software, Simulations
★ 4.6 (27) · Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, Application Security, Exploitation techniques, Web Applications, Javascript, Web Development, Node.JS, Java Programming
★ 4.6 (37) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
★ 4.9 (22) · Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Animations, Canva (Software), Social Media, Storytelling, Visual Storytelling, Social Media Content, Content Creation, Social Media Marketing, Graphical Tools, Digital Design, Graphic and Visual Design Software, Design, Graphic Design, Marketing
★ 4.5 (47) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Query Languages, Software Installation
★ 4.5 (31) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Project Risk Management, User Story, Project Management, Risk Management, Kanban Principles, Project Planning, Agile Methodology, Agile Project Management, Agile Software Development, Cost Management, Project Management Office (PMO), Backlogs, Risk Mitigation, Project Management Software, Scaled Agile Framework, Project Management Life Cycle, Risk Analysis, Team Performance Management, Sprint Planning, Sprint Retrospectives
★ 4.7 (25) · Beginner · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Time Series Analysis and Forecasting, Forecasting, Bayesian Statistics, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Statistical Software, Statistical Programming, Statistical Methods, Correlation Analysis, Model Evaluation, Probability Distribution
★ 4.3 (18) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Data Structures, Memory Management, Code Reusability, Package and Software Management, Blockchain, Web Development, Development Environment, Performance Testing, Programming Principles, System Programming, Algorithms, Integrated Development Environments, Software Testing, Software Installation
★ 3.7 (26) · Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: Computer Security Incident Management, Cyber Threat Intelligence, Network Planning And Design, Malware Protection, General Networking, Information Technology Architecture
★ 4 (41) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Cloud Security, Data Security, Network Security, Cloud Applications, Role-Based Access Control (RBAC), Application Security, Microsoft SQL Servers, Cloud Development, Security Controls, Firewall, Database Architecture and Administration, Relational Databases, Cloud Management, Key Management, Identity and Access Management, Threat Detection, Encryption
★ 4.5 (20) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: OpenAI API, OpenAI, AI Workflows, LLM Application, AI Integrations, Generative AI Agents, AI Personalization, Agentic Workflows, Application Programming Interface (API), Performance Testing, Artificial Intelligence, Context Management, Application Development
★ 4.5 (25) · Intermediate · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: Operating Systems, Computer Systems, Debugging, Microsoft Visual Studio, OS Process Management, Computer Hardware, C# (Programming Language), Computer Architecture, Object Oriented Programming (OOP), Programming Principles, Memory Management, Integrated Development Environments, Computational Logic, Computer Programming, System Design and Implementation
★ 3.9 (40) · Mixed · Course · 1 - 4 Weeks