Mobile app development courses can help you learn programming languages like Java and Swift, user interface design principles, and app testing strategies. You can build skills in integrating APIs, optimizing performance, and ensuring security in mobile applications. Many courses introduce tools such as Android Studio and Xcode, that support building and deploying apps on various platforms, along with frameworks like React Native that facilitate cross-platform development.

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Structures, Python Programming, Programming Principles, User Interface (UI), Computer Programming, Scripting, Software Engineering, Performance Tuning, Scripting Languages, Web Development, Computational Thinking, Debugging, Random Forest Algorithm, Software Development, Web Development Tools
Beginner · Specialization · 1 - 4 Weeks

Duke University
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainable Business, Sustainable Development, Corporate Sustainability, Environmental Issue, Sustainability Reporting, Stakeholder Management, Business Ethics, Stakeholder Analysis, Governance, Strategic Thinking, Business Communication, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Malware Protection, Exploitation techniques, Exploit development, Cyber Threat Hunting, Cyber Security Assessment, Application Security, Threat Detection, Virtual Machines, Code Review, Debugging, System Programming, Scripting, Windows PowerShell, Virtual Environment, Linux, File Management
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Blockchain, Network Security, Security Engineering, Computer Security, Infrastructure Security, Data Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Key Management, Scalability, Distributed Computing, Data Integrity, Exploitation techniques, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Constructive Feedback, Talent Management, Human Resources Management and Planning, Course Development, Recruitment, Human Resources, Employee Training, Instructional Design, Performance Appraisal, Employee Performance Management, Culture Transformation, Interactive Learning, Organizational Effectiveness, Program Evaluation
Beginner · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Environmental Issue, Environment, Sustainable Development, Environmental Science, Natural Resource Management, Climate Change Mitigation, Pollution Prevention, Climate Change Adaptation, Systems Thinking, Community Organizing
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, R Programming, Knitr, Continuous Integration, Development Testing, Technical Documentation
Intermediate · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Discussion Facilitation, Environmental Issue, Sustainable Development, Research, Climate Change Adaptation, Community Organizing, Cultural Responsiveness, Sustainability Standards, Student Engagement, Environmental Policy, Climate Change Mitigation, Community Development, Advocacy, Creativity, Education and Training, International Relations, Social Justice
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sustainable Development, Sustainable Business, Sustainable Technologies, Sustainable Engineering, Corporate Sustainability, Organizational Leadership, Energy and Utilities, Sustainable Architecture, Environment and Resource Management, Land Management, Climate Change Mitigation, Environmental Science, Consumer Behaviour
Build toward a degree
Intermediate · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Psychology, Personal Development, Oncology, Health Promotion, Behavioral Health, Mental and Behavioral Health Specialties, Public Health and Disease Prevention, Social Work, Empowerment, Health Care, Human Learning, Self-Awareness, Mental Health, Positive Behavior Support, Community Development, Resilience, Human Development, Scientific Methods, Social Sciences, Culture
Beginner · Specialization · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Energy and Utilities, Case Studies, Transportation Management, Facility Management, Water Sustainability, Operations Management, Civil Engineering, Stakeholder Management, Sustainable Development, Project Management, Environmental Issue, Policy Analysis, Economics, Socioeconomics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Hardware Troubleshooting, Cloud Computing, Cloud Infrastructure, Virtualization, Computer Hardware, Network Protocols, Virtual Machines, General Networking, Network Administration, Network Security, Cloud Storage, Desktop Support, Hardware Architecture, TCP/IP, Peripheral Devices, Wireless Networks, Mobile Security, USB, Networking Hardware
Intermediate · Specialization · 1 - 3 Months