blastr publishes Nostr events to multiple relays through a proxy relay running on Cloudflare Workers.
Open source
24 alternativescfrelay
cfrelay runs a Nostr relay on Cloudflare Workers and supports the basic NIP-01 protocol.
About cfrelay
cfrelay is a Nostr relay codebase that runs on Cloudflare Workers. It stores relay events in Cloudflare D1, uses KV for NIP-95 file storage, and can use R2 for NIP-96 file storage. It supports NIP-01, NIP-02, NIP-05, NIP-09, NIP-11, NIP-12, NIP-33, NIP-42, NIP-45, NIP-50, NIP-95, NIP-96 and NIP-98.
Pricing is not clearly stated.
Key features
- Deploys through Cloudflare connected to GitHub
- Deploys with NPM and Wrangler from the command line
- Configures owner public key and optional NIP-05 identifiers
- Supports custom domain for R2 bucket to use cache
Good for
- Open-source code under GPL-3.0 license
Watch out for
- R2 file storage needs Cloudflare payment setup and may incur fees
cfrelay at a glance
- Category
- Social & Communities › Nostr
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
cfrelay alternatives
Tools and sites you could use instead, ranked by how closely they match.
Citrine runs a Nostr relay on Android that lets compatible clients send and receive events through the device.
Open source
24 alternatives
Bucket provides a lightweight testing relay for Nostr client development and protocol experiments.
Open source
24 alternatives
arduino-nostr connects Arduino projects to the Nostr protocol, with the repository describing Nostr as an open communication protocol.
Open source
24 alternatives
This repository publishes a feature matrix showing protocol capabilities supported by Nostr clients.
Open source
24 alternatives
This comparison list tracks which Nostr clients support different protocol features and NIPs.
Open source
24 alternativesPopular in Nostr
Well-known listings from the same topic.
Apple Store linkapps.apple.com/us/app/nostur/id1672780508easyNostr-NIP05wordpress.org/plugins/easynostr-nip05coracle.socialcoracle.socialBitcoiner Chatbitcoiner.chatBlinkblink.svClawstrclawstr.com
Is something wrong or out of date?
Tell us and an editor will check it.
Own this website?
Claim this listing
Claim the listing and suggest updates yourself. An editor checks every claim first.