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.

MedCerts
Skills you'll gain: Pulmonology, Medical Terminology, Cardiology, Respiratory Care, Respiration, General Medical Tests and Procedures, Hemodynamics, Medical Records, Cardiac Dysrhythmia, Immunology, Pathology, Hematology, Anatomy, Diagnostic Tests, Laboratory Testing, Health Information Management and Medical Records, Physiology
★ 4.6 (25) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: AI Integrations, Cloud Deployment, Cloud Applications, Cloud Development, Cloud API, Application Deployment, API Gateway, OpenAI API, Cloud Hosting, Cloud Security, Application Programming Interface (API), Cloud Computing, Secure Coding, Serverless Computing, LLM Application, Cloud Technologies, OpenAI, Distributed Computing, Performance Tuning, Debugging
★ 4.9 (36) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Growth Mindedness, Leadership Development, Professional Development, Personal Integrity, Personal Development, Leadership, Self-Awareness, Lifelong Learning, Engineering Management, Visionary, Ethical Standards And Conduct, Goal Setting
★ 4.8 (42) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Time Series Analysis and Forecasting, Demand Planning, Trend Analysis, Data Visualization, Customer Demand Planning, Regression Analysis, Plot (Graphics), Forecasting, Statistical Analysis, Predictive Modeling, Correlation Analysis, Predictive Analytics, Applied Machine Learning, Supply Chain, Supply Chain Management, Data Analysis, Pandas (Python Package), Statistical Modeling, Machine Learning, Python Programming
★ 3.3 (39) · Intermediate · Course · 1 - 4 Weeks

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, Data Validation, Securities (Finance), Analysis, Data Analysis, International Finance
★ 4.5 (41) · Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Databases, Database Development, Database Management, Acceptance Testing, Data Architecture, Web Applications, Microservices, Software Architecture, Software Engineering, System Testing, Data Infrastructure, Software Systems, System Monitoring, Functional Requirement, Application Deployment, Site Reliability Engineering, Middleware, Distributed Computing, Prototyping, Big Data
★ 3.6 (20) · Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Failure Analysis, Scope Management, Engineering Management, Systems Engineering, Change Control, Program Management, Engineering Change Order, Cost Management, Risk Management, Contract Management, Root Cause Analysis, Risk Mitigation, Earned Value Management
★ 4.9 (67) · Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Market Dynamics, Supply And Demand, Property and Real Estate, Real Estate, Land Management, Economic Development, Market Analysis, Economics, Financial Market, Analysis
★ 4.7 (54) · Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Development Environment, Web Development, Computer Programming, Program Development, Other Programming Languages
★ 2.8 (28) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Query Languages, MySQL, Database Management, Transaction Processing, Data Manipulation, Database Development, Relational Databases
★ 3.9 (29) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Architectural Drawing, Technical Drawing, Drafting and Engineering Design, Engineering Drawings, Computer-Aided Design, Autodesk, Civil and Architectural Engineering, Architecture and Construction, Architectural Design, Design Software, Plot (Graphics), Data Import/Export, File Management, Design, Functional Design, Command-Line Interface
★ 4.6 (60) · Beginner · Course · 3 - 6 Months

MathWorks
Skills you'll gain: Computer Vision, Model Evaluation, Image Analysis, Model Training, Matlab, Machine Learning Methods, Data Preprocessing, Machine Learning, Classification Algorithms, Machine Learning Algorithms
★ 4.8 (23) · Beginner · Course · 1 - 4 Weeks