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.

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
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

Indian Institute for Human Settlements
Skills you'll gain: Innovation, Sustainable Development, Environmental Issue, Social Sciences, Policy Analysis, Climate Change Adaptation, Socioeconomics, Systems Thinking, Emerging Technologies, Technology Strategies, Research
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: File I/O, Simulations, C (Programming Language), Computational Thinking, Automation, Algorithms, Data Structures, Theoretical Computer Science, Programming Principles, Debugging
Beginner · Course · 1 - 4 Weeks
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: GraphQL, API Design, Restful API, Application Programming Interface (API), Cloud API, ASP.NET, Authentications, Data Validation, .NET Framework, Authorization (Computing), C# (Programming Language), Serverless Computing, Software Documentation, Microsoft Azure, Software Architecture, Verification And Validation, Application Deployment, Debugging
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Performance Tuning, OS Process Management, Data Structures, C and C++, Performance Testing, Distributed Computing, System Programming, Data Access, Algorithms, Computer Hardware, Computer Architecture, Program Development, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Program Management, Stakeholder Management, Resource Allocation, Agile Software Development, Agile Methodology, Project Management Life Cycle, Kanban Principles, Change Management, Project Management Office (PMO), Organizational Change, Responsible AI, Organizational Strategy, Agile Project Management, Risk Management, Governance, Cost Management, Earned Value Management, Team Building, Project Management, Leadership
Beginner · Professional Certificate · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, NoSQL, Apache Cassandra, Cloud Computing, Systems Design, Data Storage Technologies, Apache Hadoop, Database Theory, Algorithms, Theoretical Computer Science, Scalability, C++ (Programming Language), Network Protocols
Beginner · 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

LearnQuest
Skills you'll gain: B2B Sales, Consultative Selling, Stakeholder Engagement, Enterprise Sales, Performance Metric, Sales Presentations, Verbal Communication Skills, Oral Expression, Sales, Specialized Sales, Executive Presence, Sales Process, Sales Pipelines, Solution Sales Engineering, Sales Strategy, Technical Sales, Performance Analysis, Proposal Development, Customer Relationship Management (CRM) Software, Active Listening
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica del Perú
Skills you'll gain: Writing, Quantitative Research, Business Mathematics, Business Economics, Business Writing, Financial Analysis, Learning Strategies, Personal Development, Statistical Analysis, Artificial Intelligence, Business, Professional Development, Goal Setting, Responsible AI, Critical Thinking
Beginner · Course · 1 - 3 Months