Citadel

Bitcoin Nodes

Citadel is an open-source, self-hosted personal server platform for Bitcoin and Lightning node operation. Originally forked from Umbrel, Citadel offers a one-click installation experience on Raspberry Pi or dedicated hardware, with a built-in app store for Bitcoin apps including BTCPay Server, Mempool, Specter, and others. Citadel emphasizes privacy and user control over cloud dependencies.

Details

Note: Citadel — self-hosted personal server platform; successor to Umbrel with focus on privacy
Type: Bitcoin node OS / personal server
Fork Of: Umbrel
Hardware: Raspberry Pi, x86
App Store: Yes
Developer: Citadel / Community
Node Type: node_launcher
Open Source: Yes
Bitcoin Only: Yes

Links

github twitter

More Bitcoin Nodes

MyNode

Open-source Bitcoin node with dedicated hardware (Model Two: Intel N100, 16GB, 2TB) or free community software for any hardware. Features Lightning, Electrum Server, BTCPay, and more.

Start9

Start9 Server One is the flagship hardware node from Start9, running StartOS — their sovereign computing operating system. The 2025/2026 Server One features an AMD Ryzen processor, up to 32GB RAM, and up to 4TB SSD storage, making it powerful enough to run Bitcoin Core, a Lightning node, Electrs, and dozens of self-hosted apps simultaneously. Unlike Raspberry Pi-based nodes, the Server One is purpose-built for 24/7 operation with redundant power and enterprise-grade reliability for serious Bitcoin node operators.

Umbrel

The most popular plug-and-play Bitcoin node. Umbrel Home runs a full Bitcoin node with Lightning, built-in app store, and beautiful UI. Intel N150, 16GB RAM, 2-4TB storage. Also offers free Umbrel OS for DIY setups.