Prepare for the CompTIA A+ certification for entry-level IT roles. Learn about hardware, software, networking, and troubleshooting.

Skills you'll gain: React Native, Mobile Development, iOS Development, Apple iOS, Android Development, Mobile Development Tools, UI Components, Cross Platform Development, React Redux, Application Development, React.js, Application Frameworks, Development Environment, Debugging, Context Management, Software Development, Data Persistence, Command-Line Interface, Data Validation
★ 4.9 (24) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Microsoft Azure, Artificial Intelligence, Data Ethics, Image Analysis, Natural Language Processing, Computer Vision, AI literacy, AI Security, Applied Machine Learning, AI Workflows, Model Deployment, Machine Learning, Analytics
★ 4.5 (42) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Applied Mathematics, Model Optimization, Estimation, Calculus, Cost Estimation, Mathematical Modeling, Derivatives, Analysis
★ 4.7 (62) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Shell Script, Unix Shell, File Management, User Accounts, Operating System Administration, Unix, Package and Software Management, Systems Administration, File Systems, TCP/IP, Data Maintenance, User Provisioning, Unix Commands, Midrange Computer, System Monitoring, Scripting, Disaster Recovery, System Software, System Configuration, Data Centers
★ 4.6 (30) · Intermediate · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Climate Change Adaptation, Research Methodologies, Research, Surveys, Qualitative Research, Social Impact, Environmental Policy, Social Justice, Data Collection, Environmental Monitoring, Vulnerability, Environmental Science, Natural Resource Management, Policy Analysis, Governance, Fundraising
★ 4.5 (56) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Risk Management, Continuous Monitoring, Legal Risk, Vulnerability Scanning, Risk Management Framework, Operational Risk, Threat Management, Cyber Security Assessment, Intrusion Detection and Prevention, Cyber Risk, Computer Security Incident Management, Vulnerability Management, Risk Modeling, Security Management, Security Controls, Risk Mitigation, Event Monitoring, Network Monitoring, Network Analysis
★ 4.7 (34) · Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Matlab, Engineering Analysis, Mathematical Software, Mechanical Engineering, Numerical Analysis, Mathematical Modeling, Applied Mathematics, Simulation and Simulation Software, Differential Equations, Mechanics, Calculus
★ 5 (45) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Jupyter, Microservices, AWS SageMaker, Command-Line Interface, Package and Software Management, Containerization, Applied Machine Learning, Python Programming, Application Deployment, Test Automation, Algorithms, Software Installation
★ 4.4 (43) · Intermediate · Course · 1 - 4 Weeks
Illinois Tech
Skills you'll gain: Linux, Cloud-Native Computing, Network Security, Linux Administration, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Network Troubleshooting, Operating System Administration, Cloud Platforms, Cloud Storage, Linux Commands, Cloud Technologies, Software-Defined Networking, User Accounts, Network Monitoring, Threat Modeling, Cloud Services, Data Infrastructure
★ 4.6 (83) · Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Application Design, Android Studio, Mobile Development, Android (Operating System), Application Development, Mobile Development Tools, Prototyping, User Interface and User Experience (UI/UX) Design, User Interface (UI), Mockups, Development Testing, Problem Management
★ 4.8 (23) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Application Deployment, Virtual Machines, Web Applications, Linux Servers, Apache, Remote Access Systems
★ 4.6 (53) · Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Health Policy, Health Systems, Public Health, Health Administration, Research Design, Systems Analysis, Scalability, Technical Communication
★ 4.7 (42) · Intermediate · Course · 1 - 4 Weeks