InvenTree is an open-source inventory management system which provides intuitive parts management and stock control.

pgAdmin is a feature rich open-source administration and development platform for PostgreSQL.

Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases.

BookStack is a simple, self-hosted, easy-to-use platform for organising and storing information.

Nextcloud is an open source, self-hosted file share and communication platform. Access and sync your files, contacts, calendars and communicate and collaborate across your devices.

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

OPNsense is open source, FreeBSD-based firewall and routing software developed by Deciso. It is a fork of pfSense, which in turn was forked from m0n0wall.

AdGuard Home is a network-wide software for blocking ads & tracking. After you set it up, it'll cover ALL your home devices, and you don't need any client-side software for that. It operates as a DNS server that re-routes tracking domains to a "black hole," thus preventing your devices from connecting to those servers. It's based on software we use for our public AdGuard DNS servers -- both share a lot of common code.