1
Also covers browser extension and open source · same kind of open-source project
Blockcore Notes stores public and personal notes on decentralized infrastructure using Nostr.
Alternatives
The Best Blockcore Alternatives in 2026
24 alternatives0 free · 21 open source
Looking for something like Blockcore? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 21 are open source.
Blockcore Wallet manages coins, tokens, identities, and NFTs through a browser-based Web5 wallet.
Top picks at a glance
First suggestionBlockcore NotesBlockcore Notes stores public and personal notes on…Another optionBunker46Remote NIP-46 signing is exposed to Nostr web clients…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Blockcore Notes | — | Yes | Browser extension |
| 2 | Bunker46 | — | Yes | Browser extension |
| 3 | better-auth-nostr | — | Yes | Browser extension |
| 4 | danmakustr | — | Yes | Browser extension |
| 5 | @bitmacro/relay-connect | — | Yes | — |
| 6 | dart NDK | — | Yes | — |
| 7 | bark | — | Yes | — |
| 8 | Aka Profiles | — | Not stated | Browser extension |
| 9 | Clonable | — | Not stated | Browser extension, Web |
| 10 | Coolr | — | Not stated | Browser extension, Web |
All Blockcore alternatives
2
Also covers browser extension and open source · same kind of open-source project
Remote NIP-46 signing is exposed to Nostr web clients through Bunker46, a NIP-07 browser extension.
3
Also covers browser extension and open source · same kind of open-source project
better-auth-nostr adds NIP-98 Nostr authentication to Better Auth through a plugin for login flows.
4
Also covers browser extension and open source · same kind of open-source project
danmakustr adds decentralized scrolling comments to YouTube videos through a Chrome extension based on Nostr.
5
Also covers browser extension and open source · same kind of open-source project
relay-connect provides a user interface for connecting to BitMacro relays, with a related web interface and project links.
6
Also covers browser extension and open source · same kind of open-source project
Dart NDK provides a Dart development kit with high-level use cases for building Nostr applications.
7
Also covers browser extension and open source · same kind of open-source project
bark signs Nostr events through a NIP-07 interface backed by NIP-46 remote signing.
8
Aka Profiles
github.com/neilck/aka-extensionAlso covers browser extension · same kind of open-source project
Aka Profiles adds Nostr signing support to Chrome through a browser extension that handles multiple profiles.
9
Clonable
mutable.top/clonableAlso covers browser extension
Move a Nostr profile, follows, mutes, and relays to a new keyset when recovering from a compromised key.
10
Coolr
coolr.chatAlso covers browser extension
Join ephemeral group chats on Nostr with Coolr, an open-source service that organizes public channels by hashtag.
11
Also covers open source · same kind of open-source project
Bostr manages Nostr relay connections as a relay bouncer, with ongoing development focused on bostr2.
12
Also covers open source · same kind of open-source project
Evento provides an open-source Nostr client with a built-in self-custodial Bitcoin Lightning wallet.
13
Also covers open source · same kind of open-source project
The cln-nip47 plugin connects Core Lightning wallets through Nostr Wallet Connect as specified in NIP-47.
14
Also covers open source · same kind of open-source project
Bitcoin Connect links Lightning wallets to web apps, providing a connection layer for wallet-based payments.
15
Also covers open source · same kind of open-source project
algia-web renders Nostr pages through server-side rendering backed by the algia command line tool.
16
Also covers open source · same kind of open-source project
bray provides a trust-aware Nostr MCP server with verification, proximity, and access controls.
17
Also covers open source · same kind of open-source project
Buzz provides a platform for hive-mind communication, with its cached page offering few details about how it works.
18
Also covers open source · same kind of open-source project
Bostr2 is the next generation of Bostr, with installation instructions requiring Go.
19
Also covers open source · same kind of open-source project
The @elisym/cli provides command-line tooling for open infrastructure where AI agents can discover and pay for services.
20
Also covers open source · same kind of open-source project
cfrelay runs a Nostr relay on Cloudflare Workers and supports the basic NIP-01 protocol.
21
Also covers open source · same kind of open-source project
amberflutter wraps the Amber Nostr signer in Flutter, enabling Android apps to connect to the signing service.
22
Also covers open source · same kind of open-source project
arduino-nostr connects Arduino projects to the Nostr protocol, with the repository describing Nostr as an open communication protocol.
23
Also covers open source · same kind of open-source project
This repository publishes a feature matrix showing protocol capabilities supported by Nostr clients.
24
Also covers open source · same kind of open-source project
Blossom Drive was an experimental cloud drive built on Blossom servers; its project page says it is no longer active.
No alternatives match this filter.
Alternatives to similar tools
better-auth-nostr24 alternativesBlossom Drive24 alternativesBlockcore Notes24 alternativesAka Profiles15 alternativesdart NDK24 alternativesClonable24 alternatives
What is the best alternative to Blockcore?
Based on features, tags and platforms, the closest alternatives to Blockcore are Blockcore Notes, Bunker46, and better-auth-nostr.
Are there open-source alternatives to Blockcore?
Yes: Blockcore Notes, Bunker46, better-auth-nostr, and danmakustr.
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