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: Frontend Integration, Full-Stack Web Development, IntelliJ IDEA, Spring Boot, Spring Framework, React.js, Restful API, Front-End Web Development, Back-End Web Development, Context Management, Web Applications, Application Frameworks, Development Environment, Command-Line Interface, Data Store
★ 4.4 (13) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Pandas (Python Package), NumPy, Probability & Statistics, Unsupervised Learning, Applied Machine Learning, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Jupyter, Data Manipulation, Machine Learning Algorithms, Descriptive Statistics, Plot (Graphics), Data Processing, Data Visualization Software, Python Programming, Machine Learning
★ 4.5 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kanban Principles, Agile Methodology, Lean Methodologies, Workflow Management, Process Development, Agile Project Management, Business Process, Business Process Management, Process Mapping, Process Optimization, Collaborative Software, Service Design
★ 4.5 (19) · Intermediate · Guided Project · Less Than 2 Hours

Corporate Finance Institute
Skills you'll gain: Data Visualization, Matplotlib, Data Presentation, Plot (Graphics), Financial Data, Exploratory Data Analysis, Data Storytelling, Statistical Methods, Pandas (Python Package), Financial Analysis, Data Visualization Software, Statistical Analysis, Data Manipulation, NumPy, Seaborn, Data Analysis, Case Studies, Data Wrangling, Data Science, Data Transformation
★ 4.9 (13) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Business Workflow Analysis, Workflow Management, Process Analysis, Microsoft Copilot, AI Workflows, Business Process Automation, Process Optimization, Automation, Application Lifecycle Management, Business Process Management, Cloud-Based Integration, Document Management, Event-Driven Programming
★ 2.9 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Animations, Video Game Development, Game Design, Animation and Game Design, Visual Storytelling, Storytelling, Content Creation, Digital Publishing, Interaction Design
★ 4.3 (36) · Beginner · Guided Project · Less Than 2 Hours

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Scala Programming, Programming Principles, Theoretical Computer Science, Other Programming Languages, Computer Programming, Functional Design, Data Structures, Memory Management, System Implementation
★ 4.7 (18) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Scatter Plots, Histogram, Data Visualization, Data Visualization Software, Graphing, Statistical Visualization, Data Analysis, Python Programming
★ 4.5 (30) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Video Editing, TikTok, Storytelling, Timelines, Visual Storytelling, Content Creation, Multimedia, Post-Production, Animations, Video Production, Color Matching, Editing, Typography
★ 4.2 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Mining, Innovation, Image Analysis, Big Data, Medical Imaging, Unstructured Data, Health Informatics, Analytics, Text Mining, Natural Language Processing, Health Care, Health Information Management, Medical Terminology, Interoperability, Classification Algorithms
★ 3.6 (26) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Generative AI Agents, Cloud API
★ 4.8 (31) · Beginner · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Public Key Infrastructure, Cybersecurity, Cryptography, Cryptographic Protocols, Exploitation techniques, Security Testing, Encryption, Technical Writing, Test Tools, Human Factors (Security), Technical Communication
★ 3.9 (9) · Intermediate · Course · 1 - 3 Months