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.

Banco Interamericano de Desarrollo
Skills you'll gain: Risk Analysis, Project Finance, Risk Management, Project Design, Policy Analysis, Project Management, Feasibility Studies, Strategic Partnership, Public Policies, Financial Analysis, Fiscal Management, Climate Change Adaptation, Regulatory Requirements, Case Studies
Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Exploratory Data Analysis, Statistical Methods, Statistical Modeling, R (Software), Data Collection, Statistical Inference, Probability, Data Analysis, Statistical Analysis, Probability Distribution, Simulations, Statistical Visualization, Descriptive Statistics, Sampling (Statistics), Data Visualization Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Advertising, Online Advertising, Campaign Management, Advertising, Advertising Campaigns, Marketing, Social Media Campaigns, Marketing Management, Generative AI Agents, Budget Management, Target Audience
Beginner · Guided Project · Less Than 2 Hours

Universidade de São Paulo
Skills you'll gain: Timelines, Cultural Diversity, Anthropology, Liberal Arts, Psychology, Environmental Science, Physics, Biology
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: User Story, Kanban Principles, Agile Methodology, Agile Project Management, Productivity Software, Organizational Skills, Project Management Software, Prioritization, Project Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Manufacturing Operations, Production Management, Production Planning, Production Process, Operations Management, Production Schedule, Business Operations, Inventory Control, Quality Control, Scheduling, Inventory Management System, Operational Efficiency, Lean Manufacturing, Material Requirements Planning, Quality Management, Project Schedules, Project Management, Capacity Planning, Statistical Process Controls, Process Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft PowerPoint, Timelines, Product Roadmaps, Microsoft 365, Presentations, Technology Roadmaps, Milestones (Project Management), Project Schedules, Project Management, Business Process Management, Business Communication
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Agile Software Development, Agile Project Management, Agile Methodology, Scrum (Software Development), Kanban Principles, Software Development Methodologies, Project Estimation, Sprint Planning, Estimation, Backlogs, Sprint Retrospectives, Project Management, Workflow Management, User Story, Continuous Improvement Process
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Network Security, Network Monitoring, Exploitation techniques, Virtual Private Networks (VPN), Cryptographic Protocols, Network Protocols, General Networking, Computer Networking, Command-Line Interface, Network Analysis, Proxy Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Scalability, Deep Learning, AI Personalization, Data Mining, Data Processing, Machine Learning, Machine Learning Algorithms, Algorithms, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Sustainable Design, Sustainable Engineering, Digital Transformation, Project Planning, Business Acumen, Customer Service, Electronic Systems, Semiconductors, Engineering Design Process, Engineering Practices, Project Management, Internet Of Things, Collaboration, Artificial Intelligence, Business Communication, Teamwork, Risk Management, Leadership, Generative AI
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Collaborative Software, Organizational Skills, Document Management, Project Management Software, Project Coordination, Telecommuting, Project Management, Productivity Software, Internal Communications, File Management, User Accounts, Information Privacy, Account Management
Beginner · Guided Project · Less Than 2 Hours