Coop provides cross-platform Nostr messaging with a client for chatting privately.
The Best Denny Alternatives in 2026
Looking for something like Denny? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 23 are open source.
Denny focuses on encrypted group chats in a Nostr-based instant messaging client.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Coop | — | Yes | Linux, macOS, Windows |
| 2 | Corny Chat | — | Yes | — |
| 3 | Coracle DMs | — | Yes | — |
| 4 | Feature Matrix for Nostr Clients | — | Yes | — |
| 5 | comparison list of Nostr clients | — | Yes | Android, iOS, Linux |
| 6 | Aegis | — | Yes | Android, iOS, Linux |
| 7 | Evento | — | Yes | — |
| 8 | ehagaki | — | Yes | — |
| 9 | Citrine | — | Yes | Android |
| 10 | dispute | — | Yes | Android, iOS, Linux |
All Denny alternatives
Corny Chat offers open-source audio spaces that integrate Nostr and Lightning.
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.
This comparison list tracks which Nostr clients support different protocol features and NIPs.
Aegis signs Nostr events through a simple cross-platform signer, allowing clients to request signing without handling private keys directly.
Evento provides an open-source Nostr client with a built-in self-custodial Bitcoin Lightning wallet.
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.
dispute provides a cross-platform Nostr client that showcases the dart-nostr library.
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.
Coolr
coolr.chatJoin ephemeral group chats on Nostr with Coolr, an open-source service that organizes public channels by hashtag.
better-auth-nostr adds NIP-98 Nostr authentication to Better Auth through a plugin for login flows.
cfrelay runs a Nostr relay on Cloudflare Workers and supports the basic NIP-01 protocol.
algia-web renders Nostr pages through server-side rendering backed by the algia command line tool.
amberflutter wraps the Amber Nostr signer in Flutter, enabling Android apps to connect to the signing service.
Dart NDK provides a Dart development kit with high-level use cases for building Nostr applications.
arduino-nostr connects Arduino projects to the Nostr protocol, with the repository describing Nostr as an open communication protocol.
dart-nostr provides a Flutter library for implementing the Nostr protocol in Dart.
bray provides a trust-aware Nostr MCP server with verification, proximity, and access controls.
Alternatives to similar tools
What is the best alternative to Denny?
Are there open-source alternatives to Denny?
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
























