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What's an Atmosphere account?

One account for the entire AT Protocol ecosystem. Sign up once and use it across Arabica, Bluesky, Leaflet, and more. Your data is portable — you own it.

Create an Atmosphere Account

An Atmosphere account is your passport to Arabica and the wider AT Protocol ecosystem. One account works across every compatible app — no more creating new logins.

Choose a provider below. Your data is portable — you can move to a different provider at any time.

Recommended

A reliable, open community provider — a great default if you're unsure where to start.

selfhosted.social Open

Community provider hosted by @baileytownsend.dev.

selfhosted.social ·United States

App Providers

These apps host your account and data for you.

Arabica Invite Only

The official Arabica provider.

arabica.systems ·United States

Bluesky Open

The largest PDS provider.

bsky.social ·United States

npmx Open

Developer-focused Community provider.

npmx.social ·Europe

Independent Providers

Account hosts run by the community. They hold your account and data, independent of any single app.

selfhosted.social Open

Community provider hosted by @baileytownsend.dev.

selfhosted.social ·United States

Eurosky Open

Sovereign European PDS hosting.

eurosky.social ·Europe

Self-hosted: Technical users can run their own provider for full control over their data.

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