1
Also covers open source · same kind of open-source project
Fenrir-s provides a Kotlin implementation of a Nostr relay, with its source code hosted on GitHub.
Alternatives
The Best bloom Alternatives in 2026
24 alternatives0 free · 24 open source
Looking for something like bloom? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 24 are open source.
bloom combines a self-hosted media server with a Nostr relay for decentralized media sharing.
Top picks at a glance
First suggestionFenrir-sFenrir-s provides a Kotlin implementation of a Nostr relay…Another optioncomparison list of Nostr clientsThis comparison list tracks which Nostr clients support…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Fenrir-s | — | Yes | — |
| 2 | comparison list of Nostr clients | — | Yes | Android, iOS, Linux |
| 3 | dispute | — | Yes | Android, iOS, Linux |
| 4 | Blossom | — | Yes | — |
| 5 | Evento | — | Yes | — |
| 6 | connect4 | — | Yes | — |
| 7 | blossy | — | Yes | — |
| 8 | algia-web | — | Yes | — |
| 9 | bray | — | Yes | — |
| 10 | Aegis | — | Yes | Android, iOS, Linux |
All bloom alternatives
2
Also covers ios, linux, and open source · same kind of open-source project
This comparison list tracks which Nostr clients support different protocol features and NIPs.
3
Also covers ios, linux, and open source · same kind of open-source project
dispute provides a cross-platform Nostr client that showcases the dart-nostr library.
4
Also covers open source · same kind of open-source project
Blossom specifies HTTP endpoints for storing blobs on media servers using Nostr public and private keys for identity.
5
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.
6
Also covers open source · same kind of open-source project
connect4 supports multiplayer Connect Four over Nostr and can be hosted by players themselves.
7
Also covers open source · same kind of open-source project
Blossy supports building customized Blossom servers through a framework written for the media protocol.
8
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.
9
Also covers open source · same kind of open-source project
bray provides a trust-aware Nostr MCP server with verification, proximity, and access controls.
10
Also covers ios, linux, and open source · same kind of open-source project
Aegis signs Nostr events through a simple cross-platform signer, allowing clients to request signing without handling private keys directly.
11
Also covers open source · same kind of open-source project
Blockcore Notes stores public and personal notes on decentralized infrastructure using Nostr.
12
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.
13
Also covers open source · same kind of open-source project
Nostr is available from the command line through algia, a terminal application for interacting with the decentralized protocol.
14
Also covers open source · same kind of open-source project
danmakustr adds decentralized scrolling comments to YouTube videos through a Chrome extension based on Nostr.
15
Also covers open source · same kind of open-source project
Citrine runs a Nostr relay on Android that lets compatible clients send and receive events through the device.
16
Also covers open source · same kind of open-source project
Coracle supports browsing multiple Nostr relays, filtering posts, and creating custom feeds.
17
Also covers media and open source · same kind of open-source project
DDSR lists Nostr relays configured for different domain-specific purposes.
18
Also covers media and open source · same kind of open-source project
210Maxi relays Nostr events only when their content is 210 characters or fewer.
19
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.
20
Also covers open source · same kind of open-source project
Denostr implements a Rust-based, cloud-native Nostr relay derived from nostr-rs-relay.
21
Also covers open source · same kind of open-source project
Bitcredit event traffic is handled by bcr-relay, a specialized Nostr relay implementation written in Rust.
22
Also covers open source · same kind of open-source project
broadcastr transmits Nostr events from one relay to other relays as a stateless alternative to blastr.
23
Also covers linux and open source · same kind of open-source project
Coop provides cross-platform Nostr messaging with a client for chatting privately.
24
Also covers open source · same kind of open-source project
blastr publishes Nostr events to multiple relays through a proxy relay running on Cloudflare Workers.
No alternatives match this filter.
Alternatives to similar tools
Blossom Drive24 alternativesBlockcore Notes24 alternativescomparison list of Nostr clients24 alternativesEvento24 alternativesalgia-web24 alternativescfrelay24 alternatives
What is the best alternative to bloom?
Based on features, tags and platforms, the closest alternatives to bloom are Fenrir-s, comparison list of Nostr clients, and dispute.
Are there open-source alternatives to bloom?
Yes: Fenrir-s, comparison list of Nostr clients, dispute, and Blossom.
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