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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Persistence, Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Business Communication, Entrepreneurship, Social Media Marketing, Search Engine Optimization, Web Design and Development, Marketing, Workflow Management, Business Planning, E-Commerce, Project Management, Business Strategy, Business Process, Branding, Invoicing, Customer Relationship Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Journals, Writing, Storytelling, Personal Development, Self-Awareness, Creativity, Empathy, Emotional Intelligence, Editing
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: LLM Application, Large Language Modeling, Model Deployment, Embeddings, Application Programming Interface (API), Restful API, Natural Language Processing, Command-Line Interface, Machine Learning
Beginner · Course · 1 - 4 Weeks

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 California, Santa Cruz
Skills you'll gain: Go (Programming Language), Data Structures, Object Oriented Programming (OOP), Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Software Testing, Debugging, Integration Testing, Software Design, System Design and Implementation, Distributed Computing
Intermediate · Course · 1 - 3 Months

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

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Systems Architecture, Software Design, System Design and Implementation, System Programming, Embedded Systems, Requirements Analysis, Linux, System Requirements, Verification And Validation, Real Time Data, Application Performance Management, Performance Testing, Computer Vision, Image Analysis, Debugging
Advanced · 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: Project Scoping, Scope Management, Quality Management, Resource Planning, Project Risk Management, Stakeholder Management, Cost Management, Risk Management, Communication Strategies, Resource Allocation, Project Management, Cost Estimation, Project Management Life Cycle, Information Technology, Leadership Studies, Stakeholder Analysis, Timelines, Project Schedules, Human Resources Management and Planning, Procurement
Build toward a degree
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Project Management, Project Coordination, Organizational Skills, Productivity Software, Collaborative Software, Project Planning, Data Validation, Data Sharing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Content, Microsoft Office, Design, Microsoft 365, Education Software and Technology
Beginner · Guided Project · Less Than 2 Hours