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: Customer Relationship Management, Customer Relationship Management (CRM) Software, Customer Data Management, Customer Analysis, Organizational Strategy, Marketing Automation, Case Studies, Market Analysis, Analysis, Business Strategy, Spatial Data Analysis, Automation, Auditing, Business Metrics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, JSON, User Interface (UI), User Interface and User Experience (UI/UX) Design, Database Development, Databases, Interactive Data Visualization, Debugging, Database Management, Application Development, Mobile Development, Real Time Data, Application Programming Interface (API), Data Management
Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Tableau Software, Peer Review, Data Storytelling, Dashboard, Presentations, Data Cleansing, Business Intelligence, Data Visualization Software, Data Visualization, Interactive Data Visualization, Data Quality, Data Preprocessing, Data Validation, Data Manipulation, Data Analysis, Key Performance Indicators (KPIs)
Advanced · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: IntelliJ IDEA, Apache Maven, Build Tools, Integrated Development Environments, Software Development Tools, Version Control, Git (Version Control System), Development Environment, Computer Graphics, Debugging, Scripting Languages, Visualization (Computer Graphics), Databases, Relational Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Data Centers, TCP/IP, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Virtual Local Area Network (VLAN), Virtualization, Network Architecture, Virtual Private Networks (VPN), Wireless Networks, Network Monitoring, Computer Networking, Firewall, Network Infrastructure, Network Troubleshooting
Beginner · Specialization · 3 - 6 Months

Codio
Skills you'll gain: Matplotlib, Statistical Hypothesis Testing, Data Analysis, Statistical Analysis, Data Import/Export, Data Cleansing, Probability & Statistics, Data Manipulation, Descriptive Statistics, Pandas (Python Package), Exploratory Data Analysis, Correlation Analysis, Python Programming, Programming Principles, Computer Programming, Computational Logic
Mixed · Course · 1 - 3 Months

Skills you'll gain: Balance Sheet, Profit and Loss (P&L) Management, Google Sheets, Dashboard, Spreadsheet Software, Financial Statements, Accounting and Finance Software, Bookkeeping, Financial Reporting, Data Entry
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Bitbucket, GitLab, Software Development Tools, Software Installation, Software Configuration Management, Development Environment, Ubuntu, Command-Line Interface, Linux
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Infrastructure as Code (IaC), Responsible AI, Generative AI, DevOps, Devops Tools, CI/CD, Software Documentation, Terraform, Kubernetes, Prompt Engineering, Data Ethics, Automation, Innovation, Productivity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Software-Defined Networking, Cloud Deployment, Virtual Networking, Cloud Infrastructure, Network Infrastructure, Application Deployment, Cloud Platforms, Containerization, Computer Networking, Network Architecture, Kubernetes, Microservices, Infrastructure Architecture, Virtualization, Hardware Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Penetration Testing, Secure Coding, Web Development, Web Applications, Full-Stack Web Development, Vulnerability Assessments, Application Security, Angular, Ajax, Javascript
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Data Manipulation, Data Analysis Expressions (DAX), Pivot Tables And Charts, Ad Hoc Analysis, Data Cleansing, Data Management, Analysis, Google Cloud Platform
Beginner · Project · Less Than 2 Hours