Guides

A high-performance, S3-API-compatible object storage server — run your own private 'S3' for app file uploads, backups, or any workflow already built around the S3 API, without an AWS account.

A minimalist, no-frills RSS and Atom feed reader focused on speed and simplicity, with no ads, tracking, or unnecessary features.

A free, open-source, document-oriented NoSQL database -- installed from MongoDB's own official APT repository (not Ubuntu's default one, which typically lags behind).

A free, open-source, lightweight MQTT message broker -- the standard messaging backbone connecting smart-home sensors/devices to automation platforms like Home Assistant and Node-RED.

The most widely-used open-source relational database family -- MariaDB is Ubuntu's default drop-in replacement for MySQL, fully compatible with the same client tools and SQL syntax.

NFS (Network File System) shares folders between Linux/Unix machines with lower overhead than Samba — the standard choice when every client is Linux, such as sharing storage between a home server and a Proxmox/VM cluster.

Nagios Core is the original open-source host and service monitoring engine, still distributed and officially documented as a source build rather than a packaged binary.

A lightweight, Subsonic-compatible music streaming server that lets you stream your own music library to any Subsonic-compatible app.

Netdata is a real-time infrastructure monitoring agent that auto-detects thousands of metrics per second with zero configuration and visualizes them in a live, per-second dashboard.

Self-hosted file sync, sharing, and collaboration suite — your own private Dropbox/Google Drive.

A free, open-source, self-hosted file sync/share and collaboration platform -- your own private alternative to Google Drive/Dropbox, run via the official Docker image.

Nexus Repository OSS (Community Edition) from Sonatype is a universal artifact repository manager for hosting and proxying Maven, npm, Docker, PyPI, and other package formats behind a single server.

Web UI for managing nginx reverse proxies and free Let's Encrypt certificates — no nginx config file editing required.

Put Nginx in front of a service running on a local port, and issue it a free, auto-renewing TLS certificate via Certbot -- the standard way to expose a self-hosted app over HTTPS.

NocoDB turns any database into a smart spreadsheet, offering an Airtable-like interface over your own Postgres/MySQL data, with an official one-line installer for Docker Compose.

Node-RED is a flow-based visual programming tool for wiring together hardware, APIs, and online services, with an official Docker image maintained by the project.

Install Node.js via a version manager (nvm-windows) rather than a single fixed installer -- lets you switch Node versions per project, matching what most real-world Node projects expect.

NodeBB is a Node.js forum platform built around real-time, WebSocket-driven discussions, installed from source with a CLI-driven setup script on top of Node.js and MongoDB.

A power-user tool that tracks apps published directly on GitHub Releases (and several other sources) and notifies you of, or auto-installs, updates — solving the update problem for apps not published on F-Droid or Play.

Odoo is a suite of open-source business applications (CRM, accounting, inventory, manufacturing, website builder and more) built around a common Community-edition core, installable on Debian/Ubuntu via Odoo's own apt repository.

OpenLDAP is the reference open-source LDAP directory server; the project's own admin guide documents installing it by compiling slapd from source rather than via a packaged installer.

A free, open-source NAS platform built on Debian, with a web UI for storage, SMB/NFS shares, and a plugin system for extra services.

OpenProject is an open-source project management and collaboration tool with Gantt charts, agile boards, and time tracking, officially distributed via a dedicated Docker Compose repository.

A polished, real-time collaborative wiki and knowledge base for teams, built with Markdown, nested documents, and deep search.

A document management system that OCRs, tags, and indexes your scanned paperwork so you can search it instantly instead of digging through filing cabinets.

Passbolt is an open-source password manager built for teams, with OpenPGP-based encryption, officially deployed via a documented Docker Compose file including the database and TLS setup.

An AI-powered photo management app that indexes and tags your library automatically, running entirely on your own hardware without a subscription.

A free, open-source network-wide DNS sinkhole that blocks ads and trackers for every device on your network at the DNS level -- no per-device app or browser extension needed.