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.

LearnKartS
Skills you'll gain: Object Oriented Design, Java Programming, Code Reusability, Application Design, Solution Design, Design Strategies, Design Elements And Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Intrusion Detection and Prevention, Computer Security Incident Management, Incident Management, Threat Detection, Security Information and Event Management (SIEM), IT Automation, Automation, Event Monitoring, Cyber Threat Intelligence, Continuous Monitoring, System Monitoring, Anomaly Detection, Cybersecurity, Data Analysis Software, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Fine-tuning, Large Language Modeling, Model Training, Model Evaluation, Reinforcement Learning, Model Optimization
Intermediate · Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Market Dynamics, Business Economics, Business, Economics, Business Operations, Supply And Demand, Operations, Business Strategy, Market Analysis, Competitive Analysis, Consumer Behaviour, Revenue Management, Entrepreneurship, Decision Making
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Customer Analysis, Persona Development, Customer Relationship Management, Customer Insights, Target Audience, Target Market, Marketing Strategies, Marketing Planning, Consumer Behaviour, Social Media, Product Knowledge, Research
Beginner · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Virtual Networking, Microsoft Azure, Network Troubleshooting, Virtual Private Networks (VPN), Network Architecture, Load Balancing, Network Administration, Virtualization, Virtual Machines, Security Controls, Network Security, Cloud Infrastructure, Network Infrastructure, Network Monitoring, Scalability, Hybrid Cloud Computing, Distributed Denial-Of-Service (DDoS) Attacks
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Probability & Statistics, Microsoft Excel, Descriptive Statistics, Box Plots, Statistical Methods, Probability Distribution, Statistical Visualization, Data Visualization, Probability, Statistics, Excel Formulas, Plot (Graphics), Business Mathematics, Spreadsheet Software, Data-Driven Decision-Making, Mathematical Theory & Analysis, Algebra, Bayesian Statistics, Arithmetic, Case Studies
Beginner · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: NoSQL, Apache Hadoop, Apache Hive, Big Data, Database Systems, Artificial Intelligence, Data Architecture, Data Infrastructure, Data Store, Data Literacy, Databases, Database Theory, Distributed Computing, Data Processing, Transaction Processing, Scalability, Business Intelligence, AI literacy, Data Management, Data Manipulation
Beginner · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Business Process Automation, Automation, Workflow Management, Business Process, Digital Transformation, Process Optimization, Business Operations, IT Automation, Business Software, Process Mapping, Business Technologies, Process Improvement and Optimization, Operational Efficiency, Compliance Management, Program Implementation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Assessments, Risk Management, Continuous Monitoring, Legal Risk, Vulnerability Scanning, Risk Management Framework, Operational Risk, Threat Management, Cyber Security Assessment, Intrusion Detection and Prevention, Cyber Risk, Computer Security Incident Management, Vulnerability Management, Risk Modeling, Security Management, Security Controls, Risk Mitigation, Event Monitoring, Network Monitoring, Network Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, OAuth, API Design, Application Programming Interface (API), Node.JS, Software Documentation, JavaScript Frameworks, Frontend Integration, Web Services, Middleware, Authentications, JSON, Web Frameworks, Server Side, Back-End Web Development, Authorization (Computing)
Mixed · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Scientific Visualization, Data Visualization Software, Graphic and Visual Design, Statistical Visualization, Bioinformatics, Plot (Graphics), Ggplot2, Dimensionality Reduction, Scatter Plots, Design Elements And Principles, R Programming, Network Analysis, Heat Maps, Molecular Biology, Design Thinking, Statistical Analysis
Intermediate · Course · 1 - 3 Months