arduino-nostr connects Arduino projects to the Nostr protocol, with the repository describing Nostr as an open communication protocol.
The Best Buzz Alternatives in 2026
Looking for something like Buzz? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 24 are open source.
Buzz provides a platform for hive-mind communication, with its cached page offering few details about how it works.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | arduino-nostr | — | Yes | — |
| 2 | better-auth-nostr | — | Yes | Browser extension |
| 3 | @bitmacro/relay-connect | — | Yes | — |
| 4 | algia-web | — | Yes | — |
| 5 | bray | — | Yes | — |
| 6 | Blockcore Notes | — | Yes | Browser extension |
| 7 | Bostr2 | — | Yes | — |
| 8 | @elisym/cli | — | Yes | — |
| 9 | cfrelay | — | Yes | — |
| 10 | amberflutter | — | Yes | — |
All Buzz alternatives
better-auth-nostr adds NIP-98 Nostr authentication to Better Auth through a plugin for login flows.
relay-connect provides a user interface for connecting to BitMacro relays, with a related web interface and project links.
algia-web renders Nostr pages through server-side rendering backed by the algia command line tool.
bray provides a trust-aware Nostr MCP server with verification, proximity, and access controls.
Blockcore Notes stores public and personal notes on decentralized infrastructure using Nostr.
Bostr2 is the next generation of Bostr, with installation instructions requiring Go.
The @elisym/cli provides command-line tooling for open infrastructure where AI agents can discover and pay for services.
cfrelay runs a Nostr relay on Cloudflare Workers and supports the basic NIP-01 protocol.
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.
This repository publishes a feature matrix showing protocol capabilities supported by Nostr clients.
Blossom Drive was an experimental cloud drive built on Blossom servers; its project page says it is no longer active.
Blossy supports building customized Blossom servers through a framework written for the media protocol.
This comparison list tracks which Nostr clients support different protocol features and NIPs.
dart-nostr provides a Flutter library for implementing the Nostr protocol in Dart.
Denostr implements a Rust-based, cloud-native Nostr relay derived from nostr-rs-relay.
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.
Bitcredit event traffic is handled by bcr-relay, a specialized Nostr relay implementation written in Rust.
broadcastr transmits Nostr events from one relay to other relays as a stateless alternative to blastr.
Disgus provides embeddable website comments backed by the Nostr open protocol.
dispute provides a cross-platform Nostr client that showcases the dart-nostr library.
atomstr converts RSS and Atom feeds into Nostr events by fetching feed content and publishing it through the protocol.
Alternatives to similar tools
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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
























