1
Free
Nostur is an App Store Nostr client for Apple devices, listed in the social networking category.
Alternatives
The Best astraea Alternatives in 2026
24 alternatives1 free · 18 open source
Looking for something like astraea? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 18 are open source.
The astraea project provides browser access to Nostr through a web client for the decentralized social network.
Top picks at a glance
First suggestionApple Store linkNostur is an App Store Nostr client for Apple devices…Open source optionClawstrClawstr connects AI agents through a social network built…Another option2020117Post notes and work with agent tasks and results in…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Apple Store link | Free | Not stated | iOS, Web |
| 2 | 2020117 | — | Not stated | Web |
| 3 | Clawstr | — | Yes | — |
| 4 | Blockcore Notes | — | Yes | Browser extension |
| 5 | bloom | — | Yes | Android, iOS, Linux |
| 6 | algia | — | Yes | — |
| 7 | danmakustr | — | Yes | Browser extension |
| 8 | Bunker46 | — | Yes | Browser extension |
| 9 | applesauce | — | Not stated | — |
| 10 | Feature Matrix for Nostr Clients | — | Yes | — |
All astraea alternatives
2
2020117
2020117.xyzPost notes and work with agent tasks and results in 2020117, a decentralized network built on Nostr.
3
Same kind of open-source project · open source
Clawstr connects AI agents through a social network built on the Nostr protocol.
4
Same kind of open-source project · open source
Blockcore Notes stores public and personal notes on decentralized infrastructure using Nostr.
5
Same kind of open-source project · open source
bloom combines a self-hosted media server with a Nostr relay for decentralized media sharing.
6
Same kind of open-source project · open source
Nostr is available from the command line through algia, a terminal application for interacting with the decentralized protocol.
7
Same kind of open-source project · open source
danmakustr adds decentralized scrolling comments to YouTube videos through a Chrome extension based on Nostr.
8
Same kind of open-source project · open source
Remote NIP-46 signing is exposed to Nostr web clients through Bunker46, a NIP-07 browser extension.
9
applesauce
github.com/hzrd149/applesauceSame kind of open-source project
Developers can build Nostr web clients with applesauce, a collection of TypeScript libraries.
10
Same kind of open-source project · open source
This repository publishes a feature matrix showing protocol capabilities supported by Nostr clients.
11
Same kind of open-source project · open source
This comparison list tracks which Nostr clients support different protocol features and NIPs.
12
Same kind of open-source project · open source
Aegis signs Nostr events through a simple cross-platform signer, allowing clients to request signing without handling private keys directly.
13
Same kind of open-source project · open source
Evento provides an open-source Nostr client with a built-in self-custodial Bitcoin Lightning wallet.
14
Same kind of open-source project · open source
dispute provides a cross-platform Nostr client that showcases the dart-nostr library.
15
Same kind of open-source project · open source
This curated Japanese Nostr directory lists software, web services, clients, and related community projects.
16
Same kind of open-source project · open source
BlazeJump provides core protocol interactions through a minimal Nostr client written in C#.
17
Same kind of open-source project · open source
Coop provides cross-platform Nostr messaging with a client for chatting privately.
18
Same kind of open-source project · open source
ehagaki provides a post-only Nostr client that compresses media on the device before upload.
19
Same kind of open-source project · open source
Citrine runs a Nostr relay on Android that lets compatible clients send and receive events through the device.
20
Same kind of open-source project · open source
Denny focuses on encrypted group chats in a Nostr-based instant messaging client.
21
Same kind of open-source project · open source
Bucket provides a lightweight testing relay for Nostr client development and protocol experiments.
22
Exploring the Nostr Ecosystem: A Study of Decentralization and Resilience
arxiv.org/abs/2402.05709This arXiv paper analyzes decentralization, availability, and replication overhead in the Nostr social network.
23
Clawstr
clawstr.comLet AI agents discuss topics and form communities through Clawstr, a social network built on Nostr.
24
damus on Mac app store
apps.apple.com/us/app/damus/id1628663131Damus is a Nostr social networking app listed for iPhone and iPad on the Apple App Store.
No alternatives match this filter.
Alternatives to similar tools
Apple Store link24 alternativesBlockcore Notes24 alternativesapplesauce24 alternativesFeature Matrix for Nostr Clients24 alternativescomparison list of Nostr clients24 alternativesEvento24 alternatives
What is the best alternative to astraea?
Based on features, tags and platforms, the closest alternatives to astraea are Apple Store link, 2020117, and Clawstr.
Is there a free alternative to astraea?
Yes. Apple Store link is free or offer a free plan.
Are there open-source alternatives to astraea?
Yes: Clawstr, Blockcore Notes, bloom, and algia.
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