It is a self-hosted monitoring tool like "Uptime Robot".

TrueNAS® SCALE is an Open Source Hyperconverged Infrastructure (HCI) solution. Built on TrueNAS CORE, SCALE adds Linux Containers, VMs (KVM), and scale-out ZFS storage capabilities.

Synology is a popular NAS appliance

Synology is a popular NAS appliance

Portainer is a simple management solution for Docker. Easily manage your Docker hosts and Docker Swarm clusters via Portainer web user interface.

Paperless-ngx is a document management system that transforms your physical documents into a searchable online archive so you can keep, well, less paper.

SABnzbd is a multi-platform binary newsgroup downloader. The program works in the background and simplifies the downloading verifying and extracting of files from Usenet.

Unraid is software for storing and managing digital files on a mass-storage server. It is an embedded Network Attached Storage (NAS) server operating system.

Proxmox Virtual Environment is an open-source server virtualization environment. It allows deployment and management of virtual machines and containers

Proxmox Backup Server is an enterprise backup solution, for backing up and restoring VMs, containers, and physical hosts. By supporting incremental, fully deduplicated backups, Proxmox Backup Server significantly reduces network load and saves valuable storage space. With strong encryption and methods of ensuring data integrity, you can feel safe when backing up data, even to targets which are not fully trusted.

Proxmox Backup Server is an enterprise backup solution, for backing up and restoring VMs, containers, and physical hosts. By supporting incremental, fully deduplicated backups, Proxmox Backup Server significantly reduces network load and saves valuable storage space. With strong encryption and methods of ensuring data integrity, you can feel safe when backing up data, even to targets which are not fully trusted.