Earthstar is a local-first, peer-to-peer protocol and library for building small-scale, decentralized apps like journals, messaging systems, or shared docs. It emphasizes ease of use, offline access, and privacy, requiring no servers or advanced networking setup. Earthstar works by syncing shared data between trusted peers using append-only feeds, making it a great fit for personal tools, cooperative apps, and communities. It runs in the browser or Node.js, and its APIs are designed to feel simple and approachable even to new developers.

Features

  • Local-first, peer-to-peer sync protocol
  • Append-only feeds for versioned data sharing
  • Works in browsers and Node.js environments
  • No server or infrastructure setup required
  • Designed for small groups and personal use
  • Syncs data only between trusted peers
  • Supports encrypted shares and identity management

Project Samples

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Categories

Storage

License

GNU Library or Lesser General Public License version 3.0 (LGPLv3)

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Additional Project Details

Programming Language

TypeScript

Related Categories

TypeScript Storage Software

Registered

2025-04-11