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: Matplotlib, Box Plots, Plot (Graphics), Seaborn, Data Visualization, Data Visualization Software, Pandas (Python Package), Scatter Plots, Data Import/Export, Histogram, Python Programming, Data Manipulation, Data Analysis, Data Structures
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Electrical Power, Electric Power Systems, Energy and Utilities, Power Electronics, Systems Integration, Interoperability, Sustainable Technologies, Technical Standard
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe Photoshop, Adobe Firefly, Photo Editing, Adobe Creative Cloud, Layout Design, Generative AI, Graphic and Visual Design, Creative Design, 3D Modeling, Typography, AI Workflows, Color Theory, Computer Graphic Techniques, Design Elements And Principles
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, Server Side, MongoDB, Back-End Web Development, Restful API, Web Applications, Web Development, JavaScript Frameworks, Database Management, Application Programming Interface (API), Software Architecture, NoSQL, Web Servers, Authentications, Application Security, Middleware, Performance Tuning, Authorization (Computing), Scalability
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: AWS Kinesis, Amazon Redshift, Data Preprocessing, Data Analysis, Real Time Data, Applied Machine Learning, Data Pipelines, Data Processing, Extract, Transform, Load, Exploratory Data Analysis, Amazon S3, Data Sharing, Data Visualization Software, Data Transformation, Machine Learning, Data Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: R Programming, Rmarkdown, Tidyverse (R Package), Ggplot2, Data Import/Export, Data Visualization, Data Analysis, Data Visualization Software, Data Science, Data Manipulation, Data Storytelling, Statistical Analysis, Data Cleansing, Data Integration, Data Transformation, Communication
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: HubSpot CRM, Sales Pipelines, Email Marketing, Dashboard, Sales Process, Customer Relationship Management (CRM) Software, Customer Relationship Management, Team Management, Customer Data Management, User Accounts, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Project Finance, Feasibility Studies, Cost Estimation, Financial Analysis, Project Risk Management, Risk Analysis, Return On Investment, Financial Statements, Financial Modeling, Case Studies, Stakeholder Analysis, Due Diligence, Loans, Cash Flows, Market Analysis
Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Application Security, Secure Coding, Security Testing, Vulnerability Scanning, Security Controls, Intrusion Detection and Prevention, Security Awareness, Web Applications, Browser Compatibility, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Jenkins, Git (Version Control System), Version Control, Selenium (Software), CI/CD, Test Automation, JUnit, Test Data, Unit Testing, Test Case, Software Testing, Regression Testing, Debugging
Advanced · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Infrastructure as Code (IaC), IT Automation, Command-Line Interface, Docker (Software), Automation, System Configuration, YAML, Systems Administration, Configuration Management
Beginner · Course · 1 - 4 Weeks
Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Game Theory, Competitive Analysis, Business Strategy, Strategic Thinking, Strategic Partnership, Product Strategy, Market Dynamics, Strategic Decision-Making, New Product Development, Market Analysis, Innovation
Mixed · Course · 1 - 3 Months