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: Object Oriented Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Music Theory, Musical Composition, Music, File Management, Storytelling, Instrumental Music, Music Performance, Media Production, Automation, Editing, Technical Support, Writing, Creativity
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft Word, Microsoft 365, Microsoft Office, Productivity Software, Document Management, Technical Documentation, Microsoft Windows, Writing, Editing, Data Entry, File Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Adobe Illustrator, Adobe Express, Adobe Photoshop, Responsible AI, Logo Design, Digital Design, Layout Design, Generative AI, Graphic Design, Graphics Software, Adobe Firefly, User Interface and User Experience (UI/UX) Design, Visual Design, File Management, Process Design, Design Reviews, Prompt Engineering, Image Quality, Branding, Storytelling
Beginner · Professional Certificate · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Inference, Statistical Methods, Probability & Statistics, Statistics, Statistical Modeling, Probability, Probability Distribution, Data Analysis, R Programming, Regression Analysis, R (Software), Microsoft Excel, Analytical Skills, Statistical Visualization, Predictive Modeling, Data Visualization, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Engineering, Programming Principles, Computer Programming, Software Design, Predictive Modeling, Algorithms, Data Structures, Performance Testing, File I/O, Debugging, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Model Evaluation, Predictive Modeling, Machine Learning Algorithms, Statistical Machine Learning, Feature Engineering, Supervised Learning, Predictive Analytics, Applied Machine Learning, Data Preprocessing, R Programming, Classification Algorithms, Machine Learning, Random Forest Algorithm, Regression Analysis, Exploratory Data Analysis, Data Wrangling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Systems Administration, Operating System Administration, Information Systems Security, Remote Access Systems, IT Infrastructure, Network Troubleshooting, OSI Models, Computer Networking, Routing Protocols, Desktop Support, Application Security, TCP/IP, Security Strategy, Server Administration, Security Awareness, Technical Support, Microsoft Windows, Computer Hardware, Software Installation, Help Desk Support
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Marketing Analytics, Bayesian Statistics, Descriptive Statistics, Marketing Effectiveness, Statistical Hypothesis Testing, A/B Testing, Target Audience, Marketing Strategies, Statistical Inference, Sampling (Statistics), Data Collection, Data Modeling, Statistics, Advertising Campaigns, Campaign Management, Data Presentation, Marketing, Analytics, Performance marketing, Web Analytics
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Context Protocol, OpenAI API, Retrieval-Augmented Generation, OpenAI, Generative AI Agents, Embeddings, ChatGPT, Agentic systems, Vector Databases, Generative AI, Artificial Intelligence, Context Management, Model Evaluation, Application Programming Interface (API), Python Programming, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Build Tools, DevOps
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Robotics, Control Systems, Remote Access Systems, Mobile Development, Basic Electrical Systems, Electronic Components, Computer Programming
Mixed · Course · 1 - 3 Months