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.

Skills you'll gain: Embedded Systems, Embedded Software, Robotics, Electronic Systems, Computer Systems, Internet Of Things, Automation, Control Systems, C (Programming Language), Power Electronics, Peripheral Devices, Wireless Networks, Medical Equipment and Technology, Medical Devices, Electric Power Systems, Computer Architecture, Civil Engineering, Health Technology, Cybersecurity, Biomedical Engineering
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Architecture, General Networking, Computer Networking, Network Infrastructure, Network Performance Management, Wireless Networks, Graph Theory, Telecommunications, Software-Defined Networking, Algorithms
Intermediate · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Revenue Recognition, Organizational Change, Organizational Structure, Governance, Agile Methodology, Organizational Strategy, Waterfall Methodology, Organizational Leadership, Management Training And Development, Project Closure, Accrual Accounting, Business Management, Organizational Effectiveness, Business Ethics, Cash Flows, Change Management, Project Implementation, Financial Statements, Financial Accounting, Project Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Timelines, Project Schedules, Project Management, Milestones (Project Management), Project Coordination, Scheduling, Project Scoping, Project Management Software, Project Planning, Dependency Analysis, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Software Installation, Programming Principles, Other Programming Languages, Functional Design, Computer Programming, Ruby (Programming Language), Theoretical Computer Science, Software Design, Computational Thinking
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Schedules, Resource Allocation, Scheduling, Timelines, Project Estimation, Resource Planning, Project Planning, Capacity Planning, Project Management, Resource Management, Stakeholder Management, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Statistical Hypothesis Testing, AI Workflows, LangChain, Generative AI Agents, CrewAI, Statistical Methods, Statistical Analysis, Data Transformation, Agentic systems, Statistical Inference, Business Intelligence, Performance Testing, Key Performance Indicators (KPIs), Data-Driven Decision-Making, Performance Metric, Descriptive Analytics, Business Metrics, Data Analysis, Correlation Analysis, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Performance Tuning, Data-oriented programming, System Programming, C and C++, Computer Architecture, Algorithms, Development Environment, Debugging
Intermediate · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Work Breakdown Structure, Business Writing, Critical Thinking, Cash Management, Team Leadership, Negotiation, Time Management, Planning, Entrepreneurship, Financial Statements, Contract Negotiation, Financial Analysis, Project Schedules, Feasibility Studies, Verbal Communication Skills, Scheduling, Project Management, Staff Management, Finance, Change Management
Beginner · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Project Scoping, Communication Planning, Cost Management, Scope Management, Project Estimation, Project Schedules, Earned Value Management, Scheduling, Team Management, Quality Assurance, Stakeholder Management, Work Breakdown Structure, Risk Management, Organizational Structure, Procurement, Project Risk Management, Project Documentation, Requirements Management, Project Management, Planning
Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Java Programming, Java, File I/O, Object Oriented Programming (OOP), Software Design Patterns, Computer Programming, Software Design, JUnit, C and C++, Program Development, Debugging, User Interface (UI), Algorithms, Software Development Tools, Data Structures
Intermediate · Course · 1 - 3 Months