StartOS

## What is StartOS? StartOS is an open-source Linux distribution for running a personal server. It handles discovery, installation, network configuration, data backup, dependency management, and health monitoring of self-hosted services. **Tech stack:** Rust backend (Tokio/Axum), Angular frontend, Node.js container runtime with LXC, and a custom diff-based database ([Patch-DB](https://github.com/Start9Labs/patch-db)) for reactive state synchronization. Services run in isolated LXC containers, packaged as [S9PKs](https://github.com/Start9Labs/start-os/blob/master/core/s9pk-structure.md) — a signed, merkle-archived format that supports partial downloads and cryptographic verification. ## What can you do with it? StartOS lets you self-host services that would otherwise depend on third-party cloud providers — giving you full ownership of your data and infrastructure. Browse available services on the [Start9 Marketplace](https://marketplace.start9.com/), including: - **Bitcoin & Lightning** — Run a full Bitcoin node, Lightning node, BTCPay Server, and other payment infrastructure - **Communication** — Self-host Matrix, SimpleX, or other messaging platforms - **Cloud Storage** — Run Nextcloud, Vaultwarden, and other productivity tools Services are added by the community. If a service you want isn't available, you can [package it yourself](https://github.com/Start9Labs/ai-service-packaging/). ## Getting StartOS ### Buy a Start9 server The easiest path. [Buy a server](https://store.start9.com) from Start9 and plug it in. ### Build your own Install StartOS on your own hardware. Follow one of the [DIY guides](https://start9.com/latest/diy). Reasons to go this route: 1. You already have compatible hardware 2. You want to save on shipping costs 3. You prefer not to share your physical address 4. You enjoy building things ### Build from source See [CONTRIBUTING.md](CONTRIBUTING.md) for environment setup, build instructions, and development workflow. ## Contributing There are multiple ways to contribute: work directly on StartOS, package a service for the marketplace, or help with documentation and guides. See [CONTRIBUTING.md](CONTRIBUTING.md) or visit [start9.com/contribute](https://start9.com/contribute/). To report security issues, email [security@start9.com](mailto:security@start9.com).