better-auth-nostr adds NIP-98 Nostr authentication to Better Auth through a plugin for login flows.
The Best dart NDK Alternatives in 2026
Looking for something like dart NDK? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 21 are open source.
Dart NDK provides a Dart development kit with high-level use cases for building Nostr applications.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | better-auth-nostr | — | Yes | Browser extension |
| 2 | Blockcore Notes | — | Yes | Browser extension |
| 3 | bark | — | Yes | — |
| 4 | Bunker46 | — | Yes | Browser extension |
| 5 | danmakustr | — | Yes | Browser extension |
| 6 | @bitmacro/relay-connect | — | Yes | — |
| 7 | Blockcore | — | Yes | Browser extension |
| 8 | Aka Profiles | — | Not stated | Browser extension |
| 9 | Clonable | — | Not stated | Browser extension, Web |
| 10 | Coolr | — | Not stated | Browser extension, Web |
All dart NDK alternatives
Blockcore Notes stores public and personal notes on decentralized infrastructure using Nostr.
bark signs Nostr events through a NIP-07 interface backed by NIP-46 remote signing.
Remote NIP-46 signing is exposed to Nostr web clients through Bunker46, a NIP-07 browser extension.
danmakustr adds decentralized scrolling comments to YouTube videos through a Chrome extension based on Nostr.
relay-connect provides a user interface for connecting to BitMacro relays, with a related web interface and project links.
Blockcore Wallet manages coins, tokens, identities, and NFTs through a browser-based Web5 wallet.
Aka Profiles
github.com/neilck/aka-extensionAka Profiles adds Nostr signing support to Chrome through a browser extension that handles multiple profiles.
Clonable
mutable.top/clonableMove a Nostr profile, follows, mutes, and relays to a new keyset when recovering from a compromised key.
Coolr
coolr.chatJoin ephemeral group chats on Nostr with Coolr, an open-source service that organizes public channels by hashtag.
dart-nostr provides a Flutter library for implementing the Nostr protocol in Dart.
dispute provides a cross-platform Nostr client that showcases the dart-nostr library.
Bucket provides a lightweight testing relay for Nostr client development and protocol experiments.
Bostr manages Nostr relay connections as a relay bouncer, with ongoing development focused on bostr2.
Blossy supports building customized Blossom servers through a framework written for the media protocol.
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.
arduino-nostr connects Arduino projects to the Nostr protocol, with the repository describing Nostr as an open communication protocol.
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.
bray provides a trust-aware Nostr MCP server with verification, proximity, and access controls.
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.
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























