pcp ☆

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Description:
Command-line peer-to-peer data transfer tool based on libp2p

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: p2p libp2p file-transfer networking cli

Install: brew install pcp

About:
Pcp is a command-line interface tool that enables direct, peer-to-peer file and data transfer between machines without centralized servers. Leveraging the libp2p networking stack, it establishes secure connections using NAT traversal techniques. This makes it ideal for secure, decentralized data exchange directly from the terminal.

Key Features:

Serverless peer-to-peer architecture
Built on the robust libp2p networking stack
Secure data transfer via Noise encryption
NAT traversal for direct connections
Simple command-line interface

Use Cases:

Transferring large files between developers' machines
Sharing data in offline or restricted network environments
Automating secure file exchange without cloud storage

Alternatives:

scp – Requires SSH access and a reachable IP address, whereas Pcp works peer-to-peer behind NATs.
croc – Similar functionality, but Pcp is specifically built on the libp2p protocol stack.
rsync – Designed for syncing directories over SSH, whereas Pcp focuses on transient peer-to-peer transfers.

Version History

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