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.

Amazon Web Services
Skills you'll gain: Serverless Computing, Amazon Web Services, Cloud Computing Architecture, Development Environment, Software Development Tools, Software Architecture, Computer Programming Tools, Cloud Development, Cloud Platforms, Software Development, Cloud Applications, Program Development
★ 4.6 (14) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, LLM Application, Generative AI Agents, AI Workflows, AI Orchestration, Artificial Intelligence and Machine Learning (AI/ML), Agentic Workflows, Large Language Modeling, Tool Calling, Agentic systems, Debugging, Verification And Validation, Quality Assurance
★ 1.7 (6) · Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Security, Role-Based Access Control (RBAC), Cybersecurity, Firewall, Network Monitoring, Authentications, Virtual Private Networks (VPN), Computer Networking, Authorization (Computing), Intrusion Detection and Prevention, Identity and Access Management, Security Controls, Encryption, Remote Access Systems, Cryptographic Protocols, Group Policy
★ 4.7 (6) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Hardware Architecture, Infrastructure Architecture, Model Optimization, Computer Hardware, Performance Tuning, Cloud Platforms, Computing Platforms, Model Training
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Market Trend, Financial Trading, Market Dynamics, Trend Analysis, Market Analysis, Run Chart, Financial Market, Market Opportunities, Financial Analysis, Decision Making, Analysis, Financial Statement Analysis, Consolidation
★ 5 (11) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Network Engineering, Firewall, Amazon Web Services, Cloud Services, Network Infrastructure
★ 5 (7) · Beginner · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: DevOps, CI/CD, Containerization, Devops Tools, Continuous Integration, Cloud Security, Kubernetes, Software Development, Google Cloud Platform, Continuous Delivery, Application Deployment, Cloud Deployment, Cloud Services, General Networking, System Monitoring, Identity and Access Management
★ 5 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, SketchUp (3D Modeling Software), Animations, Animation and Game Design, Autodesk, Geometry, Anatomy, Design, Follow Through
★ 5 (15) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Python Programming, Programming Principles, Computational Thinking, Data Science, Theoretical Computer Science, Data Processing, Geometry, Data Analysis Expressions (DAX), Data Manipulation, Data Analysis, Data Management, Applied Mathematics
Intermediate · Specialization · 3 - 6 Months

★ 4.7 (16) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Customer Relationship Management, Six Sigma Methodology, Continuous Improvement Process, Operational Excellence, Quality Management, Process Improvement, Customer experience strategy (CX), Quality Improvement, Production Management, Quality Management Systems, Customer Relationship Building, Quality Assurance and Control, Operational Efficiency, Product Quality (QA/QC), Production Process, Quality Assurance, Process Optimization, Customer experience improvement, Risk Analysis, Customer Engagement
★ 5 (12) · Mixed · Course · 1 - 3 Months

Packt
Skills you'll gain: PHP (Scripting Language), Application Deployment, Object-Relational Mapping, Model View Controller, Database Management, UI Components, PostgreSQL, Full-Stack Web Development, Web Development, Web Frameworks, Web Applications, Authentications, Development Environment, Web Development Tools, Authorization (Computing), Application Frameworks, Code Reusability, GitHub, Cascading Style Sheets (CSS), Data Migration
Intermediate · Course · 3 - 6 Months