Blossy supports building customized Blossom servers through a framework written for the media protocol.
Building Nostr
Learn about the Nostr protocol through Building Nostr, a guide written for developers.

About Building Nostr
Learn about the Nostr protocol through Building Nostr, a guide written for developers.
Building Nostr is a website in our Nostr collection, part of the Social & Communities directory. It runs in your web browser, so there's nothing to install.
People usually find Building Nostr when they’re looking for developers. It’s particularly handy for developers.
Not quite what you need? Close alternatives include blossy, applesauce, and AndOtherStuff — compare them below.
Building Nostr at a glance
- Category
- Social & Communities › Nostr
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Good for
- Developers
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Building Nostr alternatives
Tools and sites you could use instead, ranked by how closely they match.
Developers can build Nostr web clients with applesauce, a collection of TypeScript libraries.
And Other Stuff describes a collective that builds and stewards open tools, protocols, and applications.
BlazeJump provides core protocol interactions through a minimal Nostr client written in C#.
Discover, register, and connect with AI agents through AgentDex, a directory built on the Nostr protocol.
Bitcredit event traffic is handled by bcr-relay, a specialized Nostr relay implementation written in Rust.
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Building Nostr FAQ
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