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: Authentications, Incident Response, MITRE ATT&CK Framework, Security Controls, Cryptography, Malware Protection, Cryptographic Protocols, Threat Modeling, Endpoint Security, Key Management, Authorization (Computing), Public Key Infrastructure, Security Management, Vulnerability Assessments, Risk Management, Network Security, Application Security, Asset Management, Cloud Security, OSI Models
Beginner · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Digital Forensics, grep, Network Protocols, General Networking, Record Keeping, Data Storage, Data Integrity, File Management, Ethical Standards And Conduct, Encryption, Data Validation, Technical Documentation
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Color Theory, Graphic Design, Color Matching, Typography, Graphic and Visual Design, User Experience Design, Graphic and Visual Design Software, Design, Digital Design, Creative Design, Design Elements And Principles, Visual Design, Design Software, Web Design and Development, Image Quality
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Advanced Encryption Standard (AES), Cryptography, Encryption, Key Management, Brute-force attacks, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Milestones (Project Management), Backlogs, Scope Management, Agile Project Management, Program Standards, Project Scoping, Sprint Retrospectives, Project Documentation, Project Risk Management, Project Planning, Requirements Analysis, Stakeholder Analysis, Agile Methodology, Project Management, Communication Planning, Quality Assessment, Sprint Planning, Project Management Life Cycle, Program Management, Organizational Structure
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Swift Programming, Apple Xcode, iOS Development, Apple iOS, Data Structures, Programming Principles, Mobile Development, Code Reusability, Data Storage, Application Development, Object Oriented Programming (OOP), Development Environment, Computer Programming, Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Rmarkdown, Stakeholder Communications, Data Ethics, Data Literacy, Data-Driven Decision-Making, Stakeholder Management, Interactive Data Visualization, Data Cleansing, Tableau Software, Spreadsheet Software, Data Validation, Data Visualization Software, R (Software), Data Integrity, Data Collection, Case Studies, Interviewing Skills
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Marketing Collateral, Marketing Materials, Canva (Software), Promotional Materials, Marketing Design, Marketing, Creative Design, Business, Design, Graphic and Visual Design, Graphic and Visual Design Software, Graphic Design, Color Matching, Design Elements And Principles
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: LangGraph, AI Workflows, Agentic Workflows, AI Orchestration, Generative AI Agents, Agentic systems, LangChain, LLM Application, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Prompt Patterns, Retrieval-Augmented Generation, Tool Calling, Responsible AI, Risking, Context Management, Software Development, Python Programming, Data Science
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Applied Machine Learning, Predictive Modeling, Jupyter, Predictive Analytics, Model Evaluation, Model Optimization, Data Analysis, Machine Learning, Data Science, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Azure Active Directory, Active Directory, Authentications, Security Controls, Cloud Security, Identity and Access Management, Network Security, Computer Security, Security Management, Data Security, Regulatory Compliance, AI Security, Multi-Factor Authentication, Cyber Governance, Cyber Risk, Data Governance, Authorization (Computing), Microsoft Azure, Generative AI, Threat Detection
Beginner · Course · 1 - 3 Months