
notabene
Review Markdown docs by commenting on the rendered page, then have an AI agent apply each note to the source and journal it, with git diffs to approve. No SaaS.
READ →

Traffic stats without cookies, on a single PostgreSQL database: MIT-licensed open source web analytics, self-hosted or on Umami Cloud, with events and funnels.

Get alerted when a service goes down and show it on a status page: MIT-licensed self-hosted monitoring with HTTP, DNS and database checks on a single instance.

Walk users through a web app with product tours, checklists and NPS surveys built in a visual editor: an open-core, self-hostable alternative to Appcues.

Short links on your domain, tied to the signups and sales they drive. Self-hosting the open core TypeScript app takes Vercel, PlanetScale, Upstash and Tinybird.

Add SSO and MFA to your apps without writing auth code: a Java OIDC and SAML server with LDAP federation, and the JVM, database and memory it requires.

Design screens beside your code and let Claude Code or Codex edit them over MCP. A proprietary editor whose .pen mockups are JSON files tracked in Git.

Build a static blog or docs site from Markdown with one Rust binary, Sass and image resizing included. 0.23 dropped shortcodes, and search ships with no UI.

Send newsletters from your own mail server: Postfix, Dovecot, Rspamd and a campaign tool in one Compose stack. Needs outbound port 25 open and a PTR record.

Crawl websites from Python over HTTP or with Playwright: the asyncio version of Apify's Crawlee, at 1.x since 2025, with no Puppeteer but SQL and Redis storage.

Test HTTP APIs from plain text files kept in Git: chained requests, JSONPath, XPath and TLS checks, exit code 4 on failure. Orange's CLI, built on libcurl.