Changelogs, widgets & public update pages for SaaS. Publish product updates, embed an in-app widget and host a public changelog page with Markdown, custom ## What is Nitrozen?
Nitrozen is a changelog platform for SaaS teams. Write product updates in Markdown, tag them as New, Improvement, Fix or Announcement, and publish them to a clean public changelog page. On paid plans the page can live on your own custom domain, so your release notes feel like a natural part of your product.
In-app widget
One async script tag adds an in-app changelog widget with a "new" badge, so your users see what shipped without ever leaving your product. There is nothing to rebuild when you publish: the widget and the public page update together.
Built for developers
Nitrozen ships with a REST API, official SDKs for Node.js, Go and Python, a Terraform provider, and a GitHub Action that posts changelog entries straight from your releases. An MCP server lets assistants such as Claude or Cursor draft and publish updates for you.
Pricing
The Free plan covers 1 project and 5 entries a month, which is plenty to get started. Pro is $9.99 per month and Business is $29.99 per month for teams that need custom domains and more room to grow.
Who it is for
Product managers, founders and engineering teams who are tired of release notes scattered across emails and docs, and want one place to share what is new with customers.
Nitrozen is an alternative to Beamer, Headway, LaunchNotes, AnnounceKit and Noticeable, focused on speed, Markdown-first writing and developer automation.domains, API, SDKs and an MCP server.









