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.

Alfaisal University | KLD
Skills you'll gain: Customer Retention, Marketing Strategies, Customer Analysis, Brand Loyalty, Target Market, Strategic Marketing, Customer Insights, Customer Relationship Building, Customer Relationship Management, Customer Engagement, Market Dynamics, Digital Transformation
★ 4.7 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: R (Software), R Programming, Statistical Hypothesis Testing, Plot (Graphics), Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Statistical Visualization, Data Science, Tidyverse (R Package), Statistical Methods, Statistical Modeling, Data Analysis, Data-oriented programming, Regression Analysis, Data Structures, Data Wrangling, Statistical Analysis
★ 4.5 (15) · Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Power BI, Data Modeling, Data Transformation, Business Requirements, Model Optimization, Star Schema, Data Visualization Software, Snowflake Schema, Relational Databases, Data Manipulation, Requirements Elicitation, Data Import/Export, Data Cleansing, Requirements Analysis, Business Intelligence, Data Analysis, Stakeholder Management, Decision Making
★ 4.5 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ISO/IEC 27001, Threat Management, Security Management, Risk Management Framework, Data Security, Cyber Risk, Risk Management, Vulnerability Management, Continuous Monitoring, Vulnerability Assessments, Cyber Security Policies, Security Controls, Risk Control, Governance Risk Management and Compliance, Cybersecurity, Information Systems, Scenario Testing, Asset Protection
★ 5 (9) · Beginner · Course · 3 - 6 Months

Multiple educators
Skills you'll gain: Code Review, Version Control, GitHub, Package and Software Management, CI/CD, Continuous Integration, Open Source Technology, Code Reusability, Development Environment, Continuous Deployment, Secure Coding, Application Deployment, Software Development Tools, Docker (Software), Containerization, Data Sharing, Git (Version Control System), Automation, Software Documentation, Technical Documentation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Web Scraping, Data Presentation, Data-Driven Decision-Making, SQL, Pandas (Python Package), NumPy, Data Analysis, Databases, Data Manipulation, Database Management, Query Languages, Python Programming, Data Processing, Data Wrangling
★ 4.2 (9) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistical Modeling, Exploratory Data Analysis, R Programming, Predictive Modeling, Sampling (Statistics), Statistical Hypothesis Testing, Tidyverse (R Package), Data Analysis, Data Modeling, Data-Driven Decision-Making, Regression Analysis, Data Science, Statistical Inference, Predictive Analytics, Rmarkdown, Statistical Methods, Applied Machine Learning, Model Evaluation, Machine Learning
★ 4.7 (10) · Mixed · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Digital Marketing Tools, Google Ads, Google Analytics, Keyword Research, Digital Marketing, Content Optimization, User Experience
★ 4.1 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Centers, Network Security, Network Administration, Virtualization and Virtual Machines, Network Troubleshooting, Virtual Machines, Network Monitoring, Wide Area Networks, Virtualization, Wireless Networks, Firewall, Event Monitoring, Cloud Infrastructure, Hardening, IT Security Architecture, Virtual Networking, Virtual Private Networks (VPN), Network Infrastructure, General Networking, Cloud Computing
★ 4.9 (12) · Advanced · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, Autodesk, 3D Assets, Design Software, Computer Graphic Techniques
★ 4.4 (15) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Penetration Testing, Security Testing, Application Security, Event Monitoring, Exploit development, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Blockchain, Incident Response, Vulnerability Scanning, Patch Management, Code Review, Incident Management, Development Testing, Authorization (Computing), Data Validation
★ 4.8 (30) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Design, Electronics Engineering, Engineering Design Process, Electronic Hardware, Electronics, Design, Computer-Aided Design, Functional Design, Verification And Validation, Simulation and Simulation Software, Design Software, Open Source Technology
★ 4.9 (7) · Beginner · Course · 1 - 4 Weeks