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.
Codio
Skills you'll gain: Matplotlib, Version Control, Text Mining, GitHub, Large Language Modeling, Django (Web Framework), Git (Version Control System), Package and Software Management, Platform As A Service (PaaS), Plot (Graphics), Application Deployment, Object-Relational Mapping, Hugging Face, Natural Language Processing, Data Visualization Software, Unit Testing, Statistical Visualization, Development Environment, Cloud Hosting, Python Programming
★ 3.9 (24) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Animations, Instagram, Creative Design, Social Media Content, Content Creation, Digital Design, Graphic Design, Graphic and Visual Design, Design Elements And Principles, Design, Design Software, Real Estate
★ 4.1 (34) · Beginner · Guided Project · Less Than 2 Hours

Snowflake
Skills you'll gain: Data Engineering, Database Management, Databases, Data Pipelines, Continuous Deployment, Devops Tools, Change Control, DevOps, CI/CD, Command-Line Interface, Version Control, Event Monitoring, Continuous Monitoring, Data Analysis
★ 4.5 (29) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: User Research, UI/UX Research, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Experience, UI/UX Strategy, Persona (User Experience), User Centered Design, Usability, User Flows, User Interface (UI) Design, Responsive Web Design, Graphic and Visual Design, Interactive Design, Interaction Design, Layout Design, Design Elements And Principles, Typography, Prototyping
★ 4.3 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Data Presentation, Interactive Data Visualization, Data Storytelling, Predictive Modeling, Data Visualization Software, Dashboard Creation, Data Synthesis, Spreadsheet Software, Microsoft Copilot, Excel Formulas, Data Analysis, Data-Driven Decision-Making, Forecasting, Prompt Engineering, Data Manipulation, Data Transformation
★ 4.9 (20) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Video Editing, Post-Production, Storyboarding, Editing, Video Production, Videography, Animations, Photo/Video Production and Technology, Storytelling, Media Production, Music, Visual Storytelling, Typography, Creative Problem-Solving, Communication
★ 4.2 (17) · Beginner · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Command-Line Interface, Network Troubleshooting, Linux Commands, Linux, Linux Servers, Linux Administration, Technical Support, Amazon Web Services, File Management, Remote Access Systems, Network Protocols, Network Security, Operating Systems, Package and Software Management, System Configuration, Scenario Testing, DevOps, Communication
★ 4.8 (27) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: MySQL Workbench, MySQL, Database Development, Database Management, Databases, Database Management Systems, Relational Databases, Management Information Systems, SQL
★ 4.4 (34) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Technical Analysis, Data Literacy, Financial Trading, Financial Market, Descriptive Statistics, Market Data, Statistics, Portfolio Risk, Statistical Methods, Derivatives, Risk Modeling, Market Analysis, Statistical Analysis, Market Dynamics, Securities Trading, Risk Analysis, Verification And Validation, Securities (Finance), Data Analysis, International Finance
★ 4.6 (39) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Incident Response, Cyber Threat Hunting, Computer Security Incident Management, Incident Management, Cyber Threat Intelligence, Threat Detection, Cyber Security Strategy, Security Strategy, Threat Management, Cybersecurity, Scenario Testing, Technical Communication
★ 4.3 (47) · Advanced · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Matplotlib, NumPy, Python Programming, Data Presentation, Pandas (Python Package), Analytical Skills, Plot (Graphics), Data Analysis, Data Visualization Software, Analysis, Data-Driven Decision-Making, Scripting, Analytics, Numerical Analysis, Data Manipulation, Graphing, Product Automation, Data Processing, Programming Principles, Data Validation
★ 4.9 (23) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Customer Analysis, Persona Development, Customer Relationship Management, Customer Insights, Target Audience, Target Market, Marketing Strategies, Marketing Planning, Consumer Behaviour, Social Media, Product Knowledge, Research
★ 4.6 (33) · Beginner · Guided Project · Less Than 2 Hours