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: Ggplot2, Model Evaluation, Plot (Graphics), Regression Analysis, Predictive Analytics, Predictive Modeling, Statistical Visualization, Data-Driven Decision-Making, Statistical Modeling, R Programming, Descriptive Statistics, R (Software), Exploratory Data Analysis, Descriptive Analytics, Statistical Analysis, Data Analysis
★ 4.2 (13) · Intermediate · Guided Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Color Matching, Photo/Video Production and Technology, Cinematography, Video Editing, Collaborative Software, Post-Production, Image Analysis, Videography, Color Theory, Video Production, Visual Storytelling, Storytelling, Editing, Aesthetics, Fine-tuning, Cloud-Based Integration
★ 4.3 (8) · Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Social Determinants Of Health, Health Disparities, Health Equity, Health Policy, Systems Thinking, Health Informatics, Public Health, Economics, Policy, and Social Studies, Social Justice, Community Health, Health Systems, Social Impact, R (Software), Data Analysis, Data Literacy, R Programming, Data Visualization, Data-Driven Decision-Making, Diversity Awareness
★ 4.7 (16) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, LLM Application, Generative AI Agents, AI Workflows, LangChain, Model Context Protocol, Vector Databases, AI Orchestration, Agentic Workflows, Tool Calling, Artificial Intelligence and Machine Learning (AI/ML), LangGraph, Large Language Modeling, Agentic systems, Embeddings, Model Deployment, Artificial Intelligence, Application Performance Management
★ 2.3 (8) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Team Management, Team Performance Management, People Management, Project Management Software, Collaborative Software, Telecommuting, Time Management, Project Management, Payroll Processing, Management Reporting, Product Demonstration, Billing, Leadership
★ 4.9 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Canva (Software), Social Media Campaigns, Social Media, Instagram, AI powered creativity, Social Media Management, Social Media Marketing, Social Media Content, Social Media Strategy, Content Creation, Branding, ChatGPT, Brand Management, Digital Content, Campaign Planning, Design Elements And Principles, Data Import/Export
★ 4.4 (11) · Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Full-Stack Web Development, Information Architecture, React.js, UI Components, Web Applications, Scalability, JavaScript Frameworks, Web Development Tools, Data Access, Query Languages, Database Application, Back-End Web Development, Data Store, Web Design and Development, Database Development, Databases, Front-End Web Development, Software Design, Web Development, Software Development
★ 4.8 (6) · Intermediate · Course · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Programming Principles, Event-Driven Programming, Software Design Patterns, Data Structures, Simulations
★ 4.6 (11) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Cooperation, Interactive Learning, Education Software and Technology, Student Engagement, Pedagogy, Education and Training, Instructional Strategies, Learning Theory, Student-Centred Learning, Collaboration, Teamwork, Mathematics Education, Digital pedagogy, Professional Development, Problem Solving, Project Design, Critical Thinking, Analysis
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), User Interface and User Experience (UI/UX) Design, Interactive Design, Usability, Prototyping, User Interface (UI) Design, Figma (Design Software), Interaction Design, UI Components, Usability Testing
★ 4.4 (10) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Dashboard Creation, Data Visualization Software, Data Modeling, Dashboard, Data Wrangling, Interactive Data Visualization, Data Presentation, Data Storytelling, Data Transformation, Data Cleansing, Data Import/Export, Exploratory Data Analysis, Data Analysis, Key Performance Indicators (KPIs)
★ 4.9 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Intelligence, Generative AI, Business Analytics, Responsible AI, Business Process Automation, Data-Driven Decision-Making, Business Workflow Analysis, Data Ethics, Data Literacy, Exploratory Data Analysis, AI Integrations, Project Implementation
★ 4.5 (15) · Intermediate · Course · 1 - 4 Weeks