Objective-C courses can help you learn the basics of object-oriented programming, memory management, and the Cocoa framework for macOS and iOS app development. You can build skills in creating user interfaces, handling data with Core Data, and integrating APIs for enhanced functionality. Many courses introduce tools like Xcode for coding and debugging, as well as Interface Builder for designing app layouts, helping you apply these skills in real-world app projects.

Peking University
Skills you'll gain: Data Structures, Graph Theory, Computational Thinking, Algorithms, Computer Programming, Computer Science, C (Programming Language), Data Storage, C++ (Programming Language)
Mixed · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Growth Strategies, Business Strategy, Strategic Thinking, Plan Execution, Mergers & Acquisitions, Competitive Analysis, Organizational Strategy, Business Ethics, Peer Review, Data-Driven Decision-Making, Corporate Strategy, Strategic Leadership, Business Planning, Strategic Decision-Making, Governance, Stakeholder Management, New Business Development, Business Research, Analysis, Project Management
Beginner · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Crisis Intervention, Emergency Response, First Aid, Emergency Services, De-escalation Techniques, Stress Management, Disabilities, Trauma Care, Mental Health, Family Support, Psychology, Cultural Sensitivity, Working With Children, Child Development, Interpersonal Communications, Patient Communication
Beginner · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Journalism, Multimedia, Media and Communications, Storytelling, Content Creation, Report Writing, Driving engagement, Interviewing Skills, Oral Expression, Photo/Video Production and Technology, Video Production, Writing, Research, Ethical Standards And Conduct
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Exploit development, C (Programming Language), C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments
Mixed · Course · 1 - 4 Weeks
Multiple educators
Skills you'll gain: Unit Testing, Data Structures, Event-Driven Programming, File I/O, Interactive Data Visualization, Java, Java Programming, User Interface (UI), Object Oriented Programming (OOP), JUnit, Debugging, Object Oriented Design, Computer Programming, Cryptography, Software Engineering, Performance Tuning, Algorithms, Data Analysis, Software Design, Problem Solving
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Artificial Neural Networks, Image Analysis, Event-Driven Programming, Scalability, Deep Learning, C and C++, Performance Tuning, Convolutional Neural Networks, Data-oriented programming, C++ (Programming Language), Digital Signal Processing, Linear Algebra, Distributed Computing, Computer Graphics, System Programming, Numerical Analysis, Programming Principles, Computer Architecture, Program Development, Machine Learning
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Virginia
Skills you'll gain: Stakeholder Analysis, Planning, Project Planning, Earned Value Management, Project Risk Management, Scheduling, Stakeholder Management, Risk Management, Project Management, Project Scoping, Project Implementation, Risk Analysis, Project Performance, Dependency Analysis, Agile Methodology, Kanban Principles
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Construction Management, Construction, Building Information Modeling, Environment Health And Safety, Project Schedules, Lean Methodologies, Work Breakdown Structure, Project Management, Project Management Life Cycle, Sustainability Standards, Contract Management, Project Scoping, Project Planning, Risk Management
Beginner · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Data Quality, Exploratory Data Analysis, Employee Onboarding, Data Management, Statistical Reporting, Team Motivation, Technical Communication, Data Analysis, Data Presentation, Project Management, Interviewing Skills, Data Science, Data-Driven Decision-Making, Data Strategy, Organizational Leadership, Team Management, Workflow Management, Analytical Skills, Leadership, Communication
Beginner · Specialization · 1 - 3 Months

University of Alberta
Skills you'll gain: Agile Software Development, Project Risk Management, Requirements Analysis, Agile Methodology, Kanban Principles, Risk Management, Project Planning, Requirements Elicitation, Sprint Retrospectives, Requirements Management, Functional Requirement, Business Requirements, Sprint Planning, Software Development Methodologies, Software Development Life Cycle, Scrum (Software Development), Software Technical Review, Risk Management Framework, Product Management, Project Management
Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Session Initiation Protocols, Remote Access Systems, Network Security, Network Architecture, Network Routing, Interoperability, Network Protocols, Telecommunications, Encryption, Communication Systems, Infrastructure Architecture, Scalability
Beginner · Course · 1 - 4 Weeks