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Self-hosted

Post once. Every network. Yours.

Schedule and crosspost to Bluesky, X, LinkedIn, Instagram, Threads and Mastodon from one instance you run and own.

One post, six networks

02 / Queue

Compose. Schedule.
Crosspost.

Write once, pick your networks, and set a time. Postline queues it and publishes to each place on schedule.

  • 1One composer for every network
  • 2Per-network limits and previews
  • 3Schedule ahead or publish now

03 / Own it

Your keys. Your data.
Your instance.

No middleman holds your tokens or stands between you and your audience. Postline runs on a server you own. Deploy it in one command and keep everything.

bunx buddy deploy

04 / Open

Open source, and yours to change.

MIT licensed

Read every line, fork it, and ship your own. No black boxes.

Single binary

One Bun binary to run. No sprawling services to babysit.

Built on Stacks

A full-stack TypeScript framework underneath, end to end.

Post once. Own everything.

Stand up your own Postline and crosspost from one place you control.