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: Unix Shell, Unix Commands, Shell Script, Bash (Scripting Language), Unix, Command-Line Interface, Linux Commands, Scripting, Linux, System Monitoring, File Management, System Programming, OS Process Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Collaborative Software, Journals, Organizational Skills, Productivity, Timelines, Productivity Software, Project Management Software, Information Architecture, Project Management, Personal Development, Query Languages
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: System Programming, Debugging, Secure Coding, C++ (Programming Language), Programming Principles, Software Development, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Git (Version Control System), C# (Programming Language), .NET Framework, Development Environment, Integrated Development Environments, Program Development, Microsoft Development Tools, Software Development Tools, Configuration Management
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Validation, Interoperability, Data Integrity, Data Mapping
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Sprint Planning, Scrum (Software Development), Agile Project Management, Agile Methodology, Sprint Retrospectives, Backlogs, Agile Product Development, Performance Metric, Project Management, User Story, Business Reporting, Cross-Functional Collaboration, Prioritization, Dependency Analysis, Conflict Management, Estimation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Data Validation, Business Continuity, Security Controls, Risk Mitigation, Project Management, Risk Management, System Testing, Technical Management, System Implementation, Data Integrity, Software Development Methodologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Applied Machine Learning, Random Forest Algorithm, Predictive Modeling, Data Visualization, Data Preprocessing, Machine Learning, Data Manipulation, Feature Engineering, Data Cleansing, Python Programming, Data Science, Model Evaluation, Classification Algorithms, NumPy, Pandas (Python Package)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Game Design, Unity Engine, Video Game Development, Animation and Game Design, Interaction Design, User Interface (UI), C# (Programming Language), Scripting
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Agile Project Management, Stakeholder Engagement, Leadership, Team Leadership, Climate Change Adaptation, Strategic Leadership, Water Sustainability, Environmental Resource Management, Organizational Strategy, Project Management, Sustainability Reporting, Cross-Functional Collaboration, Natural Resource Management, Innovation, Community Outreach, Complex Problem Solving
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Personalization, Business Logic, Application Development, C# (Programming Language), Computer Programming, Programming Principles, Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Vendor Management, Business Priorities, Cyber Security Assessment, Enterprise Security, Security Management, Security Awareness, Information Systems Security, Technical Consulting, Business Risk Management, Business Communication, Strategic Leadership, Leadership and Management, Risk Management, Business Metrics, Team Leadership, Compliance Auditing, Information Technology, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 3 - 6 Months