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.

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization, Interactive Data Visualization, Statistical Visualization, Data Visualization Software, Exploratory Data Analysis, Data Presentation, R (Software), Scatter Plots, Tidyverse (R Package), R Programming, Box Plots, Graphing, Histogram, Data Wrangling, Data Manipulation
★ 4.7 (20) · Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Cloud Hosting, Cloud Computing, Cloud Services, Cloud Deployment, Cloud Platforms, Cloud Technologies, Public Cloud, Cloud Computing Architecture, Cloud Infrastructure, Managed Services, Computing Platforms, Infrastructure As A Service (IaaS), Serverless Computing, Service Level, Microsoft Azure, Software As A Service, Hybrid Cloud Computing, Platform As A Service (PaaS), Distributed Computing, Servers
★ 4.5 (27) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Performance Management, Technical Communication, Technical Support and Services, Technical Support, Network Administration, Debugging, End User Training and Support, Help Desk Support, Problem Management, Network Analysis
★ 5 (11) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Cyber Threat Intelligence, Cyber Operations, Cyber Threat Hunting, Threat Modeling, Cybersecurity, Cyber Security Strategy, Network Security, MITRE ATT&CK Framework, Intrusion Detection and Prevention, Cyber Attacks, Linux Commands, Linux, Cyber Engineering, Network Administration, Operating System Administration, Hardening, Network Monitoring, Exploitation techniques, Security Awareness, Operating Systems
★ 4.7 (6) · Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Salesforce, Salesforce Development, Data Import/Export, Customer Relationship Management, Data Maintenance, Customer Relationship Management (CRM) Software, Data Management, Dashboard, System Configuration, Workflow Management, Data Validation, Research Reports, Cloud Computing, Business Process Automation, Data Integrity, User Accounts, Data Modeling, Administration, Role-Based Access Control (RBAC), Data Security
★ 4.7 (6) · Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Search Engine Marketing, Data-Driven Marketing, Google Ads, Marketing Analytics, Web Analytics, Conversion Funnel Analysis, Key Performance Indicators (KPIs), Digital Marketing Campaigns, Marketing Effectiveness, Pay Per Click Advertising, Performance Measurement, Business Metrics, Meta Ads Manager, Google Analytics, Online Advertising, Marketing Budgets, Performance Metric, MarTech, Marketing Automation, AI Personalization
★ 4.2 (6) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Programming Principles, Information Technology, Operating Systems, Collaborative Software, Computer Literacy, Browser Compatibility, Program Development, Computing Platforms, Computer Programming, Python Programming, System Software, Linux, Application Design, Microsoft Windows, Mac OS, Package and Software Management, Open Source Technology, Software Development
★ 4.4 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sustainable Business, Hotel Operations, Hospitality, Hospitality Management, Sustainable Development, Sustainable Systems, Hospitality and Food Services, Hotel And Restaurant Management, Business Planning, Corporate Sustainability, Hotels and Accommodations, Sustainability Standards, Waste Minimization, Environmental Social And Corporate Governance (ESG), Environmental Issue, Community Development, Market Opportunities, Environmental Resource Management, Market Analysis, Strategic Decision-Making
★ 4.7 (14) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Presentation, Data Visualization, Microsoft Excel, Data Storytelling, Data Literacy, Data Visualization Software, Spreadsheet Software, Pivot Tables And Charts, Data Analysis, Data Science, Exploratory Data Analysis, Analysis, Productivity Software, Microsoft 365
★ 4.3 (7) · Mixed · Course · 1 - 4 Weeks

Indian Institute of Science
Skills you'll gain: Biomedical Engineering, Medical Devices, Medical Equipment and Technology, Vital Signs, Engineering, Scientific, and Technical Instruments, Materials science, Health Technology, Analytical Testing, Laboratory Testing, Analytical Chemistry, Biochemistry, Diagnostic Tests, Molecular Biology, Sensory Systems Analysis, Electrophysiology, AI Personalization, Electocardiography, Neurology, Electronics, Oncology
★ 4.7 (12) · Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Apache, Data Pipelines, Distributed Computing, Scalability, File Systems, Data Store, Live Streaming, Data Persistence, File I/O, Data Storage Technologies, Command-Line Interface, Data Maintenance, Data Storage, Network Monitoring, File Management, Records Management
★ 4.2 (9) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI Agents, Responsible AI, Google Gemini, Retrieval-Augmented Generation, Generative AI, Gemini, Generative Model Architectures, Prompt Patterns, Google Workspace, AI Product Strategy, AI Security, AI Workflows, Google Cloud Platform, Large Language Modeling, Agentic systems, Customer experience improvement, Artificial Intelligence, Cloud Computing, Collaboration
★ 4.7 (10) · Beginner · Specialization · 3 - 6 Months