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.

Cisco Learning and Certifications
Skills you'll gain: Workflow Management, Incident Response, Security Information and Event Management (SIEM), Event Monitoring, Computer Security Incident Management, Security Management, Cyber Operations, System Monitoring, Cyber Threat Intelligence, Threat Management, Incident Management, Business Process Management, Operational Excellence, Threat Detection, Continuous Monitoring, Governance, Security Strategy, Cloud Deployment, Performance Measurement, Stakeholder Engagement
★ 4.8 (369) · Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Epidemiology, Graph Theory, Infectious Diseases, Program Development, Molecular Biology, Molecular, Cellular, and Microbiology, Computational Thinking, Algorithms, Software Development
★ 4.5 (355) · Advanced · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Health Technology, Data Presentation, Data Visualization Software, Telehealth, Agile Methodology, Interactive Data Visualization, Health Disparities, Health Informatics, Health Care Procedure and Regulation, Health Systems, Electronic Medical Record System, Electronic Medical Record, Health Equity, Interoperability, Public Health, Digital Analysis, Tableau Software, Data Ethics, Digital Transformation, User Centered Design
★ 4.6 (368) · Intermediate · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Matplotlib, Data Analysis, Pandas (Python Package), Plot (Graphics), Data Visualization, Data Science, Data Cleansing, Pivot Tables And Charts, Data Visualization Software, Data Processing, Data Wrangling, Data Integration, Data Preprocessing, Data Manipulation, Scatter Plots, NumPy, Exploratory Data Analysis, Data Import/Export, Histogram, Python Programming
★ 4.5 (433) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LangGraph, LangChain, AI Workflows, AI Orchestration, LLM Application, Agentic Workflows, Generative AI Agents, Agentic systems, Data Persistence, Context Management
★ 4.7 (327) · Intermediate · Project · Less Than 2 Hours
University of Leeds
Skills you'll gain: Critical Thinking, Collaboration, Collaborative Software, Learning Strategies, Personal Development, digital literacy, Communication, Self-Awareness, Digital Communications
★ 4.6 (161) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: File Systems, Operating Systems, OS Process Management, Memory Management, C (Programming Language), File Management, Virtualization, Computer Programming Tools, Data Integrity, Debugging, File I/O, System Software, Virtualization and Virtual Machines, System Programming, Systems Design, Data Maintenance, Data Storage Technologies, Performance Tuning, Distributed Computing, C and C++
★ 4.6 (322) · Beginner · Specialization · 3 - 6 Months

Salesforce
Skills you'll gain: Sales Development, Salesforce, Lead Generation, Sales Support, Sales Pipelines, Sales Enablement, Sales Management, Campaign Management, Sales Process, Sales Prospecting, Sales Operations, Prospecting and Qualification, Customer Relationship Management (CRM) Software, Promotions and Campaigns, Data Entry, Data Import/Export
★ 4.7 (388) · Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Dashboard, Business Intelligence, Data Import/Export, Dashboard Creation, Business Reporting, Performance Reporting, Interactive Data Visualization, Data Modeling, Data Wrangling, Data Transformation, Data Visualization Software, Data Analysis, Data Sharing, Sales
★ 4.8 (272) · Beginner · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Model View Controller, iOS Development, Apple iOS, Apple Xcode, Swift Programming, User Interface (UI), User Interface (UI) Design, Mobile Development, UI Components, Application Frameworks, Mobile Development Tools, Application Development, Software Architecture, Application Design, Knowledge of Apple Hardware, Computer Programming, Storyboarding
★ 4.2 (552) · Mixed · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, Computer Programming, Memory Management
★ 4.7 (319) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Model Deployment, Federated Learning, Tensorflow, Transfer Learning, Model Training, MLOps (Machine Learning Operations), Model Evaluation, Fine-tuning, Machine Learning, Information Privacy, Embeddings
★ 4.8 (512) · Intermediate · Course · 1 - 4 Weeks