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.

University of California San Diego
Skills you'll gain: Water Resources, Water Quality, Hazard Analysis, Pollution Prevention, Food Safety and Sanitation, Food and Beverage, Hydrology, Environmental Issue, Environment Health And Safety, Laboratory Testing, Environmental Monitoring, Public Health, Microbiology, Pharmacology, Analytical Testing, Analytical Chemistry, Environmental Science, Biochemistry, Biochemical Assays
★ 4.5 (22) · Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Security Management, Identity and Access Management, Application Security, Security Strategy, Secure Coding, Security Testing, Cyber Security Assessment, Security Engineering, IT Security Architecture, Security Controls, Security Architecture Review, Cybersecurity, Authentications, Software Development, Network Security, Risk Management, Data Security, Cyber Operations, Continuous Monitoring, Authorization (Computing)
★ 4.1 (9) · Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Marketing, Data-Driven Marketing, Google Ads, Marketing Analytics, Web Analytics, Conversion Funnel Analysis, Key Performance Indicators (KPIs), Digital Marketing Campaigns, Marketing Effectiveness, Pay Per Click Advertising, Performance Measurement, Business Metrics, Meta Ads Manager, Google Analytics, Online Advertising, Marketing Budgets, Performance Metric, MarTech, Marketing Automation, AI Personalization
★ 4.2 (6) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Color Theory, Typography, Digital Design, Graphic and Visual Design, Graphic Design, Visual Design, Design Elements And Principles, Branding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Plotly, Data Presentation, Matplotlib, Interactive Data Visualization, Seaborn, Plot (Graphics), Data Visualization, Data Visualization Software, Statistical Visualization
★ 4.9 (11) · Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Consulting, Management Consulting, Mergers & Acquisitions, Growth Strategies, Due Diligence, Strategic Thinking, Profit and Loss (P&L) Management, Market Opportunities, Cost Benefit Analysis, Financial Analysis, Business Strategy, Competitive Analysis, Corporate Strategy, Go To Market Strategy, Case Studies, Business Analysis, Market Analysis, Revenue Management, Strategic Marketing, Customer Analysis
★ 4.3 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, ChatGPT, Generative AI, OpenAI, Large Language Modeling, Multimodal Prompts, OpenAI API, LLM Application, AI powered creativity, AI Product Strategy, Creative Design, AI Integrations, Marketing Strategy and Techniques, Responsible AI, A/B Testing, Time Management
★ 4.4 (14) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Literacy, Data Storytelling, Scientific Visualization, Visualization (Computer Graphics), Data Presentation, Data Visualization, Cinematography, Data Visualization Software, Spatial Data Analysis, Computer Graphics, Graphics Software, 3D Modeling, Post-Production, Color Theory
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Computational Logic, Verification And Validation, Theoretical Computer Science, Systems Analysis, Systems Design, Functional Specification, Algorithms
★ 3.5 (13) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Generative AI, Model Optimization, Hugging Face, Large Language Modeling, Performance Tuning, Model Deployment
★ 4.8 (15) · Beginner · Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Apache Kafka, Apache, Data Pipelines, Distributed Computing, Scalability, File Systems, Data Store, Live Streaming, Data Persistence, File I/O, Data Storage Technologies, Command-Line Interface, Data Maintenance, Data Storage, Network Monitoring, File Management, Records Management
★ 4.2 (9) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Cloud Hosting, Cloud Computing, Cloud Services, Cloud Deployment, Cloud Platforms, Cloud Technologies, Public Cloud, Cloud Computing Architecture, Cloud Infrastructure, Managed Services, Computing Platforms, Infrastructure As A Service (IaaS), Serverless Computing, Service Level, Microsoft Azure, Software As A Service, Hybrid Cloud Computing, Platform As A Service (PaaS), Distributed Computing, Servers
★ 4.5 (27) · Beginner · Course · 1 - 3 Months