Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron
Organic Chemistry 1
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore n8n, a self-hosted workflow automation tool with drag-and-drop interface. Learn installation, setup, and create a full workflow example in this comprehensive tutorial.
Learn to install and configure ERPNext, a free open-source ERP system, using Docker. Explore the user interface, key settings, and get hands-on experience with a demo administrative account.
Learn to install and configure Zabbix, an open-source monitoring system, using Docker. Covers setup, environment variables, web UI overview, and adding client machines for comprehensive network monitoring.
Explore Remotely, an open-source alternative for remote desktop support. Learn installation, client connections, and collaborative features for efficient remote assistance.
Explore the importance of domain names and DNS for businesses, covering professional branding, email setup, and application hosting. Learn about DNS management, VPNs, and overcoming ISP limitations.
Learn to set up and use CheckMK, an open-source network and system monitoring tool. Covers installation, configuration, and usage of the web UI for effective monitoring of hosts and servers.
Explore two powerful open-source IP scanning tools: Angry IP Scanner and Nmap. Learn their features, settings, and practical applications for network discovery and security analysis.
Explore Proxmox: A powerful, open-source virtualization OS for managing virtual machines. Learn installation, setup, UI navigation, updates, storage management, VM creation, and hardware customization.
Explore MySQL Workbench, a powerful GUI tool for MySQL/MariaDB databases. Learn installation, interface navigation, data querying, and essential settings for efficient database management.
Explore LibreOffice: a powerful, free alternative to Microsoft Office. Learn installation, features, customization, and collaborative editing in this comprehensive overview.
Explore Shinobi CCTV's powerful open-source features, from user interface and live view to installation, camera setup, and motion detection in this comprehensive 2023 update.
Learn to create visually appealing and functional Home Assistant dashboards using grid layouts. Discover nested grids, mobile-friendly designs, and tips for effective dashboard organization.
Explore TrueNAS Scale, a Linux-based NAS system with Docker and Kubernetes integration. Learn installation, storage setup, user management, and app deployment using pre-made templates.
Discover how to install and configure Moodle, a powerful online training platform, using Docker and Docker Compose, complete with reverse proxy setup and admin interface overview.
Discover LocalSend, an open-source file-sharing tool similar to AirDrop that works across platforms. Learn how to easily transfer files between devices without internet connection or third-party servers.
Get personalized course recommendations, track subjects and courses with reminders, and more.