
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.
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Block bots without image puzzles: a self-hosted Rust CAPTCHA server whose proof of work gets harder as traffic rises. Its only release dates from March 2024.

Click heatmaps and session recordings on your own server: open source PHP and MySQL web analytics, what it takes to run it, and how often it ships releases.

Google, Bing or Yandex results as JSON with no API key: a headless Chromium on your own server reads them, and runs into the engines' CAPTCHAs and blocks.

One sign-in for every app you self-host: a Python identity provider for OIDC, SAML, LDAP and RADIUS that needs only PostgreSQL, with a paid Enterprise tier.

Uptime monitoring declared in versioned YAML: a self-hosted status page with HTTP, DNS, TCP and ICMP checks, conditions on each response, and built-in alerts.

Stream your own movies, shows and music from a home server, with no subscription or tracking. What it needs in GPU and storage, and what version 12.0 breaks.

Lead pipelines, workflows and PDF quotes on your own server: an MIT-licensed Laravel CRM that needs MySQL or MariaDB and charges for WhatsApp and VoIP add-ons.

Run mailing lists and campaigns from a Go binary and PostgreSQL. Mail goes via an SMTP relay you choose (SES, Postmark, your own), which owns deliverability.

Stream your FLAC and MP3 collection to a browser, Subsonic apps or Jellyfin clients. Go server under GPL-3.0; needs ffmpeg and a properly tagged library.

Long-term memory for AI agents: an LLM turns writes into facts and entities, four retrievers bring them back. MIT server on PostgreSQL, 1.0 since October 2026.