1
Also covers media and open source · same kind of open-source project
bloom combines a self-hosted media server with a Nostr relay for decentralized media sharing.
Alternatives
The Best DDSR Alternatives in 2026
24 alternatives0 free · 24 open source
Looking for something like DDSR? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 24 are open source.
DDSR lists Nostr relays configured for different domain-specific purposes.
Top picks at a glance
First suggestionbloombloom combines a self-hosted media server with a Nostr…Another option210Maxi210Maxi relays Nostr events only when their content is 210…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | bloom | — | Yes | Android, iOS, Linux |
| 2 | 210Maxi | — | Yes | — |
| 3 | blastr | — | Yes | — |
| 4 | @bitmacro/relay-connect | — | Yes | — |
| 5 | cfrelay | — | Yes | — |
| 6 | Denostr | — | Yes | — |
| 7 | bcr-relay | — | Yes | — |
| 8 | broadcastr | — | Yes | — |
| 9 | Citrine | — | Yes | Android |
| 10 | Coracle | — | Yes | Android |
All DDSR alternatives
2
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.
3
Also covers api and open source · same kind of open-source project
blastr publishes Nostr events to multiple relays through a proxy relay running on Cloudflare Workers.
4
Also covers api 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.
5
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.
6
Also covers open source · same kind of open-source project
Denostr implements a Rust-based, cloud-native Nostr relay derived from nostr-rs-relay.
7
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.
8
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.
9
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.
10
Also covers open source · same kind of open-source project
Coracle supports browsing multiple Nostr relays, filtering posts, and creating custom feeds.
11
Also covers open source · same kind of open-source project
Bucket provides a lightweight testing relay for Nostr client development and protocol experiments.
12
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.
13
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.
14
Also covers open source · same kind of open-source project
AlgoRelay lets relay operators provide ranked or filtered event feeds through an algorithmic Nostr relay.
15
Also covers media and open source · same kind of open-source project
ehagaki provides a post-only Nostr client that compresses media on the device before upload.
16
Also covers 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.
17
Also covers open source · same kind of open-source project
connect4 supports multiplayer Connect Four over Nostr and can be hosted by players themselves.
18
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.
19
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.
20
Also covers open source · same kind of open-source project
Dart NDK provides a Dart development kit with high-level use cases for building Nostr applications.
21
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.
22
Also covers open source · same kind of open-source project
This repository publishes a feature matrix showing protocol capabilities supported by Nostr clients.
23
Also covers open source · same kind of open-source project
This comparison list tracks which Nostr clients support different protocol features and NIPs.
24
Also covers open source · same kind of open-source project
dart-nostr provides a Flutter library for implementing the Nostr protocol in Dart.
No alternatives match this filter.
Alternatives to similar tools
better-auth-nostr24 alternativesarduino-nostr24 alternativesdart NDK24 alternatives@bitmacro/relay-connect24 alternativescfrelay24 alternativesbcr-relay24 alternatives
What is the best alternative to DDSR?
Based on features, tags and platforms, the closest alternatives to DDSR are bloom, 210Maxi, and blastr.
Are there open-source alternatives to DDSR?
Yes: bloom, 210Maxi, blastr, and @bitmacro/relay-connect.
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