Developer Resources

Curated links to Bitcoin development tools, node software, hardware, explorers, and APIs. For libraries and code examples, see Libraries & SDKs.

• Bitcoin Core – Reference implementation; run a full node and use the RPC API.
• Knots – Bitcoin Core with additional patches and features.

• Start9 – Hardware and software for running nodes at home.
• Nodl – Plug-and-play Bitcoin (and Lightning) nodes.

• Mempool.space – Block explorer, API, and fee estimates.
• Blockstream Explorer – Block explorer and API.
• Bitcoin Core RPC – Built-in RPC when running a node.

• Interactive Tools – CLI terminal, Stack Lab, Block Visualizer, Hash tool.
• Learn Me A Bitcoin – Tools – Hashing, keys, transaction builder, and more.