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: User Story, Business Requirements, Requirements Analysis, Requirements Elicitation, Business Analysis, User Requirements Documents, Gap Analysis, Requirements Management, Business Systems Analysis, Project Documentation, Functional Specification, Diagram Design, Business Process Modeling, Needs Assessment
★ 4.6 (108) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Product Roadmaps, Timelines, Presentations, Project Management Software, Milestones (Project Management), Kanban Principles, Project Design, Collaborative Software, Project Management, Project Coordination, Team Management, Brainstorming
★ 4.8 (282) · Beginner · Guided Project · Less Than 2 Hours

Tableau Learning Partner
Skills you'll gain: Data Visualization Software, Spatial Data Analysis, Tableau Software, Data Storytelling, Statistical Visualization, Interactive Data Visualization, Data Presentation, Spatial Analysis, Stakeholder Communications, Geospatial Mapping, Business Reporting, Data Mapping
★ 4.9 (108) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Agentic Workflows, AI Workflows, Generative AI Agents, AI Orchestration, Retrieval-Augmented Generation, Generative Model Architectures, Microsoft Azure, Agentic systems, Artificial Intelligence and Machine Learning (AI/ML), AI Security, LLM Application, Application Deployment, Responsible AI, ChatGPT, Artificial Intelligence, Artificial Neural Networks, Deep Learning, Machine Learning
★ 3.7 (55) · Intermediate · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Statistical Inference, Regression Analysis, Applied Machine Learning, Statistical Methods, Statistical Machine Learning, Statistical Analysis, Statistical Hypothesis Testing, Statistical Modeling, Machine Learning, Experimentation, Data Collection, Probability & Statistics, Research Design
★ 3.3 (107) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Computer Vision, Image Analysis, Model Evaluation, Model Training, Deep Learning, Matlab, Machine Learning Methods, Data Preprocessing, Machine Learning, Classification Algorithms, Machine Learning Algorithms, Transfer Learning, Anomaly Detection, Geospatial Information and Technology, Traffic Flow Optimization, Artificial Intelligence and Machine Learning (AI/ML), Algorithms
★ 4.6 (99) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Network Protocols, TCP/IP, General Networking, Network Monitoring, Network Security, Network Analysis, Web Servers, Linux, Software Installation
★ 4.6 (146) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Personalized Campaigns, Data-Driven Marketing, Cross-Channel Marketing, Marketing Channel, Content Marketing, Marketing Analytics, Data Ethics, Campaign Management, Data-Driven Decision-Making, Marketing Strategies, Integrated Marketing Communications, Marketing Automation, MarTech, Content Development and Management, Content Strategy, Content Performance Analysis, Adobe Express, AI Personalization, Social Media, Market Research
★ 4.7 (101) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Home Health Care and Assisted Living, Infection Control, Personal protective equipment, Hand Hygiene, Emergency Response, Long Term Care, Nursing Homes, Patient Communication, Public Health and Disease Prevention, Laboratory Testing, Mental Health, Community Health, Public Health, Care Coordination, Media and Communications, Patient Education and Support, Epidemiology, Diagnostic Tests, Cleanliness, Infectious Diseases
★ 4.8 (268) · Beginner · Course · 1 - 3 Months

Skills you'll gain: TikTok, Video Production, Photo/Video Production and Technology, Content Creation, Content Scheduling, Web Analytics and SEO, Photography, Content Development and Management, Social Media Campaigns, Social Media Marketing, Content Performance Analysis, Social Media Content, Driving engagement, Social Media, Search Engine Optimization, Video Editing, Videography, Brand Marketing, Social Media Analytics, Visual Storytelling
★ 3.9 (52) · Beginner · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: SQL, Data Manipulation, Relational Databases, Database Management, Database Software, Database Design, Databases, Data Integrity, Database Management Systems, Debugging, Data Management
★ 4.6 (199) · Intermediate · Guided Project · Less Than 2 Hours

Nanjing University
Skills you'll gain: Operating Systems, File Systems, File Management, Computer Systems, Memory Management, System Software, OS Process Management, File I/O, Data Storage, Computer Hardware, Program Development, Peripheral Devices, System Design and Implementation, Algorithms
★ 4.5 (143) · Mixed · Course · 1 - 3 Months