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.

Coursera
Skills you'll gain: HubSpot CRM, Customer Relationship Management (CRM) Software, Customer Relationship Management, Email Marketing, Customer Relationship Building, Customer experience improvement, Dashboard, Customer Data Management, Sales Development, Management Reporting, Integrated Marketing Communications, Sales Pipelines, Performance Reporting
★ 4.7 (86) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Statistical Process Controls, Statistical Hypothesis Testing, Lean Methodologies, Process Improvement, Six Sigma Methodology, Kaizen Methodology, Lean Six Sigma, Benchmarking, Process Capability, Lean Manufacturing, Risk Analysis, Quality Improvement, Process Improvement and Optimization, Process Analysis, Statistical Analysis, Continuous Improvement Process, Team Leadership, Team Management, Root Cause Analysis, Regression Analysis
★ 4.7 (67) · Intermediate · Specialization · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Prompt Engineering, Overcoming Objections, Closing (Sales), Rapport Building, Business Ethics, B2B Sales, Vibe coding, Prompt Patterns, Data Ethics, Price Negotiation, Content Performance Analysis, Negotiation, LLM Application, ChatGPT, AI Personalization, Generative AI Agents, Video Production, Artificial Intelligence, Generative AI, Content Creation
★ 4.3 (42) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: MITRE ATT&CK Framework, Network Security, Cybersecurity, Exploitation techniques, Penetration Testing, Cyber Attacks, Python Programming, Data Access, Authentications, Scripting, Remote Access Systems, User Accounts
★ 4.8 (69) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Quantum computing, Public Key Cryptography Standards (PKCS), Cryptography, Data Structures, Cryptographic Protocols, Algorithms, Encryption, Theoretical Computer Science, Computer Science, Programming Principles, Mathematical Software, Advanced Mathematics
★ 4.6 (69) · Advanced · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Numerical Analysis, Simulation and Simulation Software, Mathematical Software, Applied Mathematics, electromagnetics, Mathematical Modeling, Biomedical Technology, Differential Equations, Physics
★ 4.7 (56) · Mixed · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Public Cloud, Cloud Computing Architecture, Cloud Computing, Application Programming Interface (API), Cloud Services, Scalability, Cloud Platforms, Amazon Web Services, Cloud Engineering, Infrastructure As A Service (IaaS), Technical Services, Systems Administration, Solution Architecture, Security Engineering
★ 4.7 (85) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Scripting, Automation, Web Scraping, Software Testing, Cascading Style Sheets (CSS), Test Data
★ 4.7 (39) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Java Platform Enterprise Edition (J2EE), Databases, Database Design, Data Persistence, Object Oriented Design, Java, Data Manipulation, Data Mapping, Java Programming, Database Development, JUnit, Object Oriented Programming (OOP), Database Software, Query Languages
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Email Marketing, Social Media Marketing, Point of Sale, Customer Relationship Building, Conversion Funnel Analysis, Brand Loyalty, Driving engagement, Customer Retention, Order Delivery, Social Media Management, Social Media Analytics, Drive Engagement, Social Media Content, Target Market, Customer Relationship Management, Customer Engagement, Digital Media Strategy, E-Commerce, Digital Marketing, Business Marketing
★ 4.9 (68) · Beginner · Specialization · 3 - 6 Months

Advancing Women in Tech
Skills you'll gain: AI Workflows, Retrieval-Augmented Generation, Prompt Patterns, Multimodal Prompts, AI Personalization, AI literacy, Context Management
★ 4.7 (43) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub Copilot, Integrated Development Environments, Microsoft Visual Studio, AI Enablement, Development Environment, Debugging, HTML and CSS, React.js, Cascading Style Sheets (CSS), Software Installation
★ 4.5 (51) · Intermediate · Course · 1 - 4 Weeks