Signals and systems courses can help you learn about signal representation, system stability, frequency response, and filtering techniques. You can build skills in analyzing linear time-invariant systems, applying the Fourier and Laplace transforms, and designing digital filters. Many courses introduce tools such as MATLAB and Python, which are commonly used for simulations and real-time signal processing applications, allowing you to implement theoretical concepts in practical scenarios.

Board Infinity
Skills you'll gain: Vulnerability Assessments, Cyber Security Assessment, Network Monitoring, Penetration Testing, Virtual Private Networks (VPN), Command-Line Interface, Linux Commands, Cybersecurity, Linux, Software Installation, Intrusion Detection and Prevention, Network Security, Network Analysis
Intermediate · Course · 1 - 4 Weeks

IIMA - IIM Ahmedabad
Skills you'll gain: Digital Transformation, Business Transformation, Stakeholder Engagement, Organizational Change, Change Management, Business Modeling, Enterprise Architecture, Cloud Computing Architecture, Governance, Data-Driven Decision-Making, Workforce Development, Overcoming Objections, Cybersecurity
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Environmental Issue, Solution Design, Sustainable Development, Design Thinking, Business Planning, Sustainable Business, Innovation, Product Development, Entrepreneurship, Economic Development, Needs Assessment, Business Development, Consumer Behaviour, Market Analysis, Market Research, Cultural Sensitivity
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), JavaScript Frameworks, Interaction Design, Web Development Tools, Event-Driven Programming, Web Frameworks, Cascading Style Sheets (CSS), Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Blogs, Google Analytics, Web Analytics, Promotional Strategies, Customer Engagement, Social Media, Content Marketing, Content Creation, Content Management Systems, Business Writing, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Scanning, Proxy Servers, Security Testing, Penetration Testing, Vulnerability Assessments, Brute-force attacks, Web Scraping
Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Cloud Computing, Cryptography, Data Security
Intermediate · Course · 1 - 4 Weeks
Emory University
Skills you'll gain: Customer Analysis, Customer Demand Planning, Marketing Analytics, Forecasting, Consumer Behaviour, Marketing Effectiveness, Model Evaluation, Time Series Analysis and Forecasting, Microsoft Excel, Marketing, Regression Analysis, Customer Acquisition Management, Customer Retention, Data Analysis
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Leadership and Management, Business Leadership, Organizational Leadership, Decision Making, Emotional Intelligence, Business Ethics, Leadership, Trustworthiness, Teamwork, Waterfall Methodology, Project Management, Project Management Life Cycle, Self-Awareness, Business Communication
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Application Deployment, JSON, Web Services, Restful API, Mobile Development, Application Programming Interface (API), Data Persistence, User Interface (UI) Design, Animations
Mixed · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Machine Learning Methods, Unsupervised Learning, Supervised Learning, Machine Learning Algorithms, Machine Learning, Reinforcement Learning, Dimensionality Reduction, Model Evaluation, Classification Algorithms, Algorithms
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, Cloud Infrastructure, Customer Analysis, Network Troubleshooting, Technical Consulting, Amazon S3, Cloud Computing, Technical Support, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Requirements Analysis, Root Cause Analysis, Scenario Testing, System Support, Virtual Networking, Customer Support, Cloud Storage, Serverless Computing, System Monitoring, Data Security
Beginner · Course · 1 - 4 Weeks