Human Computer Interaction courses can help you learn user interface design, usability testing, interaction design principles, and accessibility standards. You can build skills in user research, prototyping, and evaluating user experiences across various platforms. Many courses introduce tools like Figma, Sketch, and Adobe XD, that support creating and testing interfaces, along with methods for gathering user feedback and iterating on designs.

Infosec
Skills you'll gain: OSI Models, Network Troubleshooting, Network Administration, General Networking, Network Architecture, Network Monitoring, Network Infrastructure, Network Security, TCP/IP, Virtual Networking, Local Area Networks, Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), Wireless Networks, Networking Hardware, Disaster Recovery, Network Performance Management, Network Protocols, Event Monitoring
★ 3.3 (8) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Cybersecurity, Network Security, Cryptographic Protocols, Cyber Attacks, Encryption, IT Security Architecture, Identity and Access Management, Threat Management, Threat Detection, Firewall, Key Management, Security Management, Infrastructure Security, Security Controls, Network Planning And Design, Authorization (Computing), Public Key Infrastructure, Authentications, Risk Management Framework
★ 4.6 (9) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Development Environment, Program Development, C++ (Programming Language), Debugging, Programming Principles, Computer Programming Tools, Integrated Development Environments, Computer Programming, Data Management, Computational Logic
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Tools, Java
★ 3.3 (13) · Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Digital pedagogy, Technical Communication, Distributed Computing, Digital Transformation, Cloud Computing, Computer Science, Hypertext Markup Language (HTML), Telecommuting, Cloud Storage, Data Access, Data Analysis, Data Science, Artificial Intelligence and Machine Learning (AI/ML), Amazon Web Services, SQL, Databases
★ 4.3 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, OpenAI API, ChatGPT, Token Optimization, Application Programming Interface (API), API Testing, AI Integrations, Authentications, Context Engineering, Large Language Modeling, Key Management, Model Optimization, Performance Tuning
★ 4.1 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Administration, Network Architecture, Hardware Troubleshooting
★ 4.6 (8) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Object-Relational Mapping, Java Platform Enterprise Edition (J2EE), Database Design, Data Access, Data Persistence, Java, Relational Databases, Data Mapping, Java Programming, JUnit, SQL, Query Languages, Software Versioning
★ 5 (13) · Intermediate · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Software Architecture, Systems Architecture, Systems Design, Technical Management, Software Design, API Design, System Design and Implementation, Technical Product Management, Cross-Functional Team Leadership, Engineering Management, Program Management, Microservices, Product Management, Cross-Functional Collaboration, Solution Architecture, Leadership and Management, Application Programming Interface (API), Amazon Web Services, Management Reporting
★ 4.6 (19) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Salesforce Development, Application Deployment, Workflow Management, Dashboard, Data Import/Export, Ad Hoc Reporting, Change Control, Email Automation, Data Maintenance, Authentications, Customer Relationship Management (CRM) Software, Configuration Management, Data Access, Responsive Web Design, System Configuration, Role-Based Access Control (RBAC), Data Management, Customer Relationship Management, Business Logic
★ 4.2 (9) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: IT Security Architecture, Security Controls, Cryptography, Security Engineering, Application Security, Vulnerability Assessments, Information Systems Security, Cryptographic Protocols, Vulnerability Management, Encryption, Cybersecurity, Infrastructure Security, Computer Security, Public Key Infrastructure, Cyber Security Assessment, Data Integrity
★ 4.8 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Patient Communication, Patient Education And Counseling, Pharmacy Operations, Patient-centered Care, Medication Administration, Pharmacy, Pharmaceuticals, Chronic Diseases, Empathy & Emotional Intelligence, Health And Safety Standards
★ 4.8 (14) · Intermediate · Course · 1 - 4 Weeks