Aegis signs Nostr events through a simple cross-platform signer, allowing clients to request signing without handling private keys directly.
The Best Coop Alternatives in 2026
Looking for something like Coop? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 22 are open source.
Coop provides cross-platform Nostr messaging with a client for chatting privately.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Aegis | — | Yes | Android, iOS, Linux |
| 2 | cln-nip47 | — | Yes | Linux, macOS |
| 3 | Denostr | — | Yes | — |
| 4 | broadcastr | — | Yes | — |
| 5 | ezdvm | — | Yes | — |
| 6 | danmakustr | — | Yes | Browser extension |
| 7 | Fevela | — | Yes | — |
| 8 | applesauce | — | Not stated | — |
| 9 | dispute | — | Yes | Android, iOS, Linux |
| 10 | Denny | — | Yes | — |
All Coop alternatives
The cln-nip47 plugin connects Core Lightning wallets through Nostr Wallet Connect as specified in NIP-47.
Denostr implements a Rust-based, cloud-native Nostr relay derived from nostr-rs-relay.
broadcastr transmits Nostr events from one relay to other relays as a stateless alternative to blastr.
ezdvm lets users run Python code behind a Nostr Data Vending Machine service.
danmakustr adds decentralized scrolling comments to YouTube videos through a Chrome extension based on Nostr.
Fevela presents Nostr posts in a newsreader-style interface designed to help users manage attention and time.
applesauce
github.com/hzrd149/applesauceDevelopers can build Nostr web clients with applesauce, a collection of TypeScript libraries.
dispute provides a cross-platform Nostr client that showcases the dart-nostr library.
Denny focuses on encrypted group chats in a Nostr-based instant messaging client.
Alby NWC (Umbrel)
apps.umbrel.com/app/alby-nostr-wallet-connectBrowse self-hosted apps for an Umbrel home server, spanning categories such as media, AI, Bitcoin, and automation.
This comparison list tracks which Nostr clients support different protocol features and NIPs.
Coracle DMs packages Coracle's NIP-04 direct messaging feature as a standalone app.
This repository publishes a feature matrix showing protocol capabilities supported by Nostr clients.
Evento provides an open-source Nostr client with a built-in self-custodial Bitcoin Lightning wallet.
bloom combines a self-hosted media server with a Nostr relay for decentralized media sharing.
ehagaki provides a post-only Nostr client that compresses media on the device before upload.
Citrine runs a Nostr relay on Android that lets compatible clients send and receive events through the device.
Remote NIP-46 signing is exposed to Nostr web clients through Bunker46, a NIP-07 browser extension.
This curated Japanese Nostr directory lists software, web services, clients, and related community projects.
Bucket provides a lightweight testing relay for Nostr client development and protocol experiments.
BlazeJump provides core protocol interactions through a minimal Nostr client written in C#.
Nostr badge events of kind 8 can be created and issued with Badger, a client for the protocol.
better-auth-nostr adds NIP-98 Nostr authentication to Better Auth through a plugin for login flows.
Alternatives to similar tools
What is the best alternative to Coop?
Are there open-source alternatives to Coop?
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative
























