Nubo
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for open-source maintainers

A live preview for every PR.
Built on the cheap.

Open a pull request and Nubo spins up a Frame with its own URL. Reviewers click, see the change in production, leave their notes. When the PR closes, the preview tears itself down.

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how previews work

Open a PR.
Share the URL.

Nubo watches GitHub. On a PR, it spins up a Frame from that branch. The URL shows up as a status check on the PR. When the PR closes, the Frame goes away.

github · pull request #284

Fix race condition in queue worker

@contributor wants to merge into main

Nubo preview ready
pr-284-docs.frames.nubo.app
built 22s · auto-expires on merge

set up once

A maintainer-friendly platform.

  • Preview every PR

    Each pull request gets its own Frame and URL. Reviewers test the change without checking out the branch.

  • Auto-cleanup on merge

    When the PR closes or merges, the preview Frame is torn down. No lingering deploys, no bill.

  • Cheap to keep running

    Most OSS projects fit inside the $5 of monthly usage credits. Docs, demos, and PR previews included.

  • Public-friendly URLs

    Default subdomains for previews, custom domain for the live site. SSL handled.

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Got an idea?
Ship it tonight.

Sign up with GitHub, pick a repo, and we'll take it from there. Seven days on the house, no card and no sales call required.

Start 7-day trial Read the docs