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.
Duke University
Skills you'll gain: Data Ethics, Exploratory Data Analysis, Data-Driven Decision-Making, Logistic Regression, Statistical Modeling, R (Software), Web Scraping, Ggplot2, Model Evaluation, Statistical Reporting, Data Visualization Software, Predictive Modeling, Tidyverse (R Package), Data Visualization, Responsible AI, Data Transformation, R Programming, Data Science, Data Wrangling, Version Control
★ 4.8 (47) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Blockchain, Web Development Tools, Development Environment, Frontend Integration, Software Development Tools, Program Development, Integrated Development Environments, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Event-Driven Programming, Development Testing, Javascript, Network Architecture
★ 5 (50) · Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Ansible, YAML, IT Automation, Network Architecture, Network Administration, General Networking, Automation, System Configuration, Software Documentation, Configuration Management, Python Programming
★ 4.8 (33) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Analysis, Analysis, Analytics, Statistical Analysis, Statistical Programming, Spreadsheet Software, Analytical Skills, Exploratory Data Analysis, Descriptive Analytics, Data Processing, Data Cleansing, Statistical Methods, Data Collection, Advanced Analytics, Statistics, R (Software), Predictive Analytics, Data Presentation, Query Languages, Data Visualization
★ 3.5 (36) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Model Evaluation, Supervised Learning, Unsupervised Learning, Data Preprocessing, Time Series Analysis and Forecasting, Applied Machine Learning, Model Training, Machine Learning Methods, Machine Learning Algorithms, Statistical Machine Learning, Feature Engineering, Machine Learning Software, Dimensionality Reduction, Machine Learning, Predictive Modeling, Predictive Analytics, Scikit Learn (Machine Learning Library), Forecasting, Data Processing, Anomaly Detection
★ 4.2 (19) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Business Metrics, Analytics, Digital Transformation, Business Analytics, Business Intelligence, Performance Measurement, Big Data, Business Analysis, Data Analysis, Business Process Improvement, Performance Metric, Key Performance Indicators (KPIs), E-Commerce, Financial Services, Cash Flows, Financial Acumen, Return On Investment, Data Literacy, Profit and Loss (P&L) Management, Financial Analysis
★ 4.7 (81) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Graph Theory, Programming Principles, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Pandas (Python Package), Machine Learning Algorithms, Computational Thinking, C++ (Programming Language), Data Architecture, Random Forest Algorithm, Performance Tuning, Object Oriented Programming (OOP), Network Analysis, Program Development, Problem Solving, Debugging
★ 4.5 (40) · Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Salesforce, Salesforce Development, Data Security, Data Access, Customer Relationship Management (CRM) Software, Security Controls, Customer Engagement, Role-Based Access Control (RBAC), Customer Service, Data Maintenance, Business Reporting, Data Management, Personalized Service, Workflow Management, Process Development, Process Design, Lead Generation, Business Process Automation, Cloud Computing, Automation
★ 4.6 (32) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Vibe coding, Model Context Protocol, Prompt Engineering, Claude Code, Responsible AI, Prompt Patterns, Prompt Engineering Tools, Anthropic Claude, LLM Application, AI Orchestration, Authentications, Agentic Workflows, AI Integrations, AI Workflows, AI Enablement, Generative AI Agents, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Agentic systems
★ 4.5 (14) · Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Data Pipelines, Data Cleansing, Data Governance, Data Transformation, Cloud Security, Extract, Transform, Load, Data Visualization Software, Data Integration, Data Processing, Data Management, Data Manipulation, Data Collection, Cloud Computing, Data Validation, Cloud-Based Integration, Data Quality, Data Integrity, SQL
★ 4.5 (30) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Network Architecture, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Engineering, Software-Defined Networking, Network Infrastructure, Communication Systems, General Networking, Network Model, Telecommunications, Emerging Technologies
★ 4.7 (24) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Data Presentation, Business Analysis, Data Analysis, Query Languages, Databases
★ 4.2 (49) · Beginner · Guided Project · Less Than 2 Hours