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Docker is a platform enabling users to package and run applications in containers. Containers are isolated, similar to virtual machines, but more portable and resource-friendly. The isolation allows for the execution of many containers simultaneously on a single host.

Excalidraw is a free, open-source, browser-based sketching tool. It allows for sketching hand-drawn diagrams. Designed with simplicity, this app offers a wide range of tools and libraries to help users visualize their ideas and data efficiently.

The virtual whiteboard even provides a workspace for live collaboration, enabling real-time interaction with colleagues and fellow home lab enthusiasts.

Diagrams.net (formerly draw.io) is free online diagram software. You can use it as a flowchart maker, network diagram software, to create UML online, as an ER diagram tool, to design database schema, to build BPMN online, as a circuit diagram maker, and more. diagrams.net can import .vsdx, Gliffy™ and Lucidchart™ files.

RustDesk is an open-source alternative to TeamViewer and AnyDesk. It provides free remote desktop services on its cloud and self-hosted infrastructure for organizations.

Portainer is an open-source container management tool that provides a web-based graphical user interface (GUI) for managing Docker containers, images, networks, and volumes.

Portainer supports multiple Docker environments, including Docker Swarm, Kubernetes, and Docker Desktop. It also provides features such as user authentication, role-based access control (RBAC), and multi-tenancy, making it a suitable tool for managing Docker resources in production environments.

Nextcloud, a fork of ownCloud, is a file sharing server that permits you to store your personal content, like documents and pictures, in a centralized location, much like Dropbox. The difference with Nextcloud is that all of its features are open-source. It also returns the control and security of your sensitive data back to you, thus eliminating the use of a third-party cloud hosting service.

Snipe-IT was made for IT asset management, to enable IT departments to track who has which laptop, when it was purchased, which software licenses and accessories are available, and so on.