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.

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Statistical Analysis, Regression Analysis, Statistical Programming, R (Software), Probability, Probability Distribution, Sampling (Statistics), Box Plots, Histogram, R Programming, Statistical Methods, Statistical Software, Microsoft Excel, Statistics, Data Analysis
★ 4.6 (50) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: File Systems, Operating Systems, File Management, Computer Programming Tools, Data Integrity, Debugging, File I/O, C and C++, Systems Design, Data Maintenance, Data Storage Technologies, System Software, Distributed Computing, Data Storage, C (Programming Language), System Programming, Computer Systems, Data Persistence, Command-Line Interface, Data Security
★ 4.7 (76) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Visual Storytelling, AI powered creativity, Prompt Patterns, AI Workflows, Multimodal Prompts, Photo/Video Production and Technology, Prompt Engineering Tools, Education Software and Technology, Cinematography, AI literacy, AI Integrations, Ideation, Blogs, LLM Application, Graphic and Visual Design, Scripting, Graphic Design, Color Theory, Color Matching, Marketing
★ 3.8 (67) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Musical Composition, Music, Developing Training Materials, Instrumental Music, Music Performance, Education Software and Technology, Teaching, Classroom Management, Digital pedagogy, Cultural Responsiveness, Active Listening, Creativity, Empowerment, Collaboration
★ 4.6 (104) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Load Balancing, OAuth, Continuous Integration, Continuous Delivery, Cloud Computing, Cloud Applications, Cloud Deployment, Application Deployment, Cloud Computing Architecture, API Design, Web Applications, Web Development, .NET Framework, Microservices
★ 4.9 (172) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Interactive Data Visualization, Statistical Visualization, Sampling (Statistics), Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Web Scraping, Data Science, R (Software), Data Analysis Software
★ 4.5 (111) · Beginner · Specialization · 3 - 6 Months

Howard University
Skills you'll gain: Design Thinking, Business Software, Information Systems, Cloud Computing, Cloud Solutions, Cloud Technologies, Solution Design, Customer Analysis, Enterprise Application Management, Cloud Deployment, Cloud Security, Virtualization, Cloud Platforms, Digital Transformation, Management Information Systems, Business Solutions, Information Technology, Process Design, Cybersecurity, Data Management
★ 4.7 (86) · Intermediate · Specialization · 1 - 3 Months

Fortinet, Inc.
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Network Routing, Routing Protocols, Intrusion Detection and Prevention, Authentications, Lightweight Directory Access Protocols, Remote Access Systems, Network Security, Network Administration, Virtual Networking, Cyber Security Policies, Security Controls, User Accounts, System Configuration, Network Monitoring
★ 4.6 (99) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Docker (Software), Azure DevOps, Restful API, Azure DevOps Pipelines, Microservices, Containerization, DevOps, ASP.NET, CI/CD, .NET Framework, Devops Tools, Continuous Integration, Web Services, Continuous Delivery, Application Programming Interface (API), API Design, Test Automation, Application Deployment, Development Testing
★ 4.2 (54) · Advanced · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C and C++, Data Structures, Secure Coding, Application Security, System Programming, Programming Principles
★ 4.5 (75) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Ethics, Statistical Analysis, Experimentation, Research Design, Statistical Methods, Data Science, Data Analysis, R (Software), Statistical Programming, Predictive Modeling, Predictive Analytics, Probability & Statistics, Advanced Analytics, Data Modeling, General Science and Research
★ 4.2 (67) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Feature Engineering, Exploratory Data Analysis, Pandas (Python Package), Scikit Learn (Machine Learning Library), Data Manipulation, Applied Machine Learning, NumPy, Statistical Machine Learning, Classification Algorithms, Data Preprocessing, Data Processing, Data Wrangling, Python Programming, Regression Analysis, Predictive Modeling, Machine Learning Algorithms, Machine Learning, Model Evaluation, Data Science, Statistical Hypothesis Testing
★ 3.7 (61) · Beginner · Course · 1 - 4 Weeks