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: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, Linux Commands, User Accounts, Operating System Administration, User Provisioning, OS Process Management, Bash (Scripting Language), Command-Line Interface, File Management, Unix Shell, Shell Script, Identity and Access Management, File Systems, System Monitoring, System Support, Network Administration, General Networking
★ 4.8 (108) · Beginner · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Collaborative Software, GitHub, Technical Writing, Technical Support, Version Control, Document Management, Technical Documentation, Typography
★ 4.3 (144) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub Copilot, Integrated Development Environments, Microsoft Visual Studio, AI Enablement, Development Environment, Debugging, HTML and CSS, React.js, Cascading Style Sheets (CSS), Software Installation
★ 4.4 (47) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Object Oriented Design, Object Oriented Programming (OOP), File I/O, Encryption, Cryptographic Protocols, Data Structures, Program Development, Software Development, Data Visualization, Model Evaluation, Problem Solving, Automation, Model Training, Classification Algorithms, Database Application, Python Programming, Software Installation, Code Reusability, Functional Design
★ 4.7 (105) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Virtual Private Networks (VPN), Linux Administration, Public Key Infrastructure, Linux, Linux Servers, Intrusion Detection and Prevention, Firewall, Remote Access Systems, Operating System Administration, Linux Commands, Authentications, Authorization (Computing), Network Security, Hardening, Security Controls, Infrastructure Security, Identity and Access Management, System Monitoring, Cybersecurity, Information Technology
★ 4.5 (112) · Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: NoSQL, Control Systems, Apache Hadoop, Apache Hive, Big Data, Machine Controls, Simulation and Simulation Software, Model Based Systems Engineering, Database Systems, Artificial Intelligence, Data Architecture, Data Infrastructure, Mechanical Engineering, Artificial Intelligence and Machine Learning (AI/ML), Computer Vision, Systems Architecture, Simulations, Global Positioning Systems, Business Intelligence, Robotics
★ 4.3 (90) · Beginner · Specialization · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Customer Engagement, Target Market, Digital Advertising, Customer Retention, Customer Relationship Building, Search Engine Optimization, Sales Prospecting, Brand Loyalty, Digital Media Strategy, Lead Generation, Prospecting and Qualification, Digital Marketing, Marketing Strategies, Strategic Communication, Customer experience strategy (CX), Digital Marketing Tools, Cash Flows, Web Analytics
★ 4.9 (152) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Visual Design, Layout Design, Graphic and Visual Design, Design Elements And Principles, Graphic and Visual Design Software, Typography, Design, Digital Design, Graphic Design, Design Software, Document Management, File Management
★ 4.5 (46) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Fine-tuning, MLOps (Machine Learning Operations), Model Deployment, Cloud Deployment, Hugging Face, Containerization, CI/CD, Docker (Software), Microsoft Azure, Continuous Deployment, Cloud Computing, Machine Learning Software, GitHub
★ 3.8 (69) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Quality Control, Statistical Process Controls, Good Manufacturing Practices, Product Quality (QA/QC), Quality Assurance, Regulatory Compliance, Quality Management, Regulatory Requirements, Regulatory Affairs, Safety Assurance, Safety Standards, Laboratory Testing, Product Testing, Analytical Testing
★ 4.5 (90) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Blockchain, Network Security, Application Security, Computer Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Data Integrity, Exploitation techniques, Transaction Processing, Algorithms
★ 4.7 (89) · Beginner · Course · 1 - 3 Months

Skills you'll gain: PySpark, Databricks, Apache Spark, MLOps (Machine Learning Operations), Microsoft Azure, Big Data, Data Lakes, Model Training, Machine Learning Methods, Data Processing, Deep Learning, Data Transformation, Model Deployment, Data Pipelines, Data Manipulation, Model Evaluation, Machine Learning, Distributed Computing, Exploratory Data Analysis
★ 3.1 (80) · Intermediate · Course · 1 - 3 Months