Open-source alternatives to NNostr

Java Nostr-Relay, Relay Framework & WebSocket Application Server

nostr relay written in go

Modern nostr relay

Nostr relay for Bitcredit

→ Connect UI: relay-connect-web → BitMacro: bitmacro.io

An algorithm relay for nostr

High Availability Vault for Events on Nostr

archiving every note in your web of trust

Nostr Relay: Simple With Whitelisting

A Nostr Relay written in TypeScript

A comprehensive Go library for the Nostr protocol, providing everything needed to build relays, clients, or hybrid applications.

A simple Swift library providing data types for interacting with Nostr relays.

Nostr relay that transmits events to other relays

A framework for developing a Nostr relay. (WIP)

A high-performance nostr relay, using PostgreSQL

A very simple relay for testing nostr clients

A dynamic relay proxy for nostr

A utility for scraping the nostr network

Tools by the guy who built Coracle

A multi-tenant nostr relay designed for communities.

Nostr client library for haskell ecosystem

A plugin-able and manageable Nostr stack (relay/blossom/nip-05) designed for self-hosting.

A Nostr relay docker image package which filter content based on content type (SFW/NSFW), user type, language, hate speech (toxic comment), sentiment, topic, and various rules.