
Scrimba
Skills you'll gain: Responsive Web Design, Typography, Cascading Style Sheets (CSS), UI Components, Web Design, Interactive Design, User Interface (UI) Design, HTML and CSS, Browser Compatibility, User Interface (UI), Usability, Interaction Design, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Front-End Web Development, Animations, Web Components, Color Theory, Web Development, Web Development Tools
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Routing Protocols, Virtual Private Networks (VPN), Network Troubleshooting, Open Shortest Path First (OSPF), Network Engineering, Network Routing, Border Gateway Protocol, TCP/IP, Multiprotocol Label Switching, Network Administration, Network Security, Network Monitoring, Network Performance Management, Dynamic Host Configuration Protocol (DHCP), Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Management, Stakeholder Engagement, Project Risk Management, Project Management, Agile Methodology, Project Management Life Cycle, Compliance Management, Agile Project Management, Scope Management, Business Process, Requirements Management, Project Planning, Project Management Institute (PMI) Methodology, Project Schedules, Governance, Change Management, Procurement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), System Programming, Algorithms, Performance Tuning
Advanced · Course · 1 - 3 Months

HubSpot Academy
Skills you'll gain: Data Visualization, HubSpot CRM, Dashboard, Business Reporting, Customer Relationship Management (CRM) Software, Performance Reporting, Forecasting, Sales Pipelines, Sales Enablement, Business Metrics, Performance Metric, Sales, Data-Driven Decision-Making, Key Performance Indicators (KPIs), Customer Service, Customer Data Management, Customer Success Management, Goal Setting
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, File I/O, Application Development, Computer Programming, User Interface (UI), Programming Principles, Databases, System Design and Implementation, Integrated Development Environments, SQL, Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Database Management, Cryptography, Data Import/Export, MySQL, Vulnerability Scanning, Encryption, Brute-force attacks, Vulnerability Assessments, Cybersecurity, Data Encryption Standard, SQL
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Sustainable Business, Sales Territory Management, Corporate Sustainability, Solution Selling, Sales, Sales Strategy, Customer Relationship Building, Sales Process, Sales Prospecting, Market Opportunities, Information Technology, Technology Strategies, Business Acumen, Customer Relationship Management, AI Product Strategy, Complex Problem Solving, Business Relationship Management
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Team Management, Teamwork, Team Building, Team Motivation, Organizational Leadership, Leadership and Management, Conflict Management, Motivational Skills, Organizational Structure, Engineering Management, Systems Engineering, Leadership, Employee Engagement, Agile Methodology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Web Development, Web Scraping, Web Applications, Back-End Web Development, Integration Testing, Python Programming, Web Services, Extensible Markup Language (XML), Package and Software Management, Development Testing, Unit Testing, Performance Tuning, Cross Platform Development, Hypertext Markup Language (HTML), Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Unix Shell, Unix Commands, Unix, Linux, File Management, File Systems, File I/O, Systems Architecture, Computer Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, OAuth, API Testing, Restful API, Application Programming Interface (API), JSON, Test Automation, Data Validation, Extensible Markup Language (XML), Mockups, Test Tools, Simple Object Access Protocol (SOAP), Virtualization, Debugging
Intermediate · Course · 1 - 3 Months