
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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Write diagrams as text that lives in Git with the code: an MIT JavaScript library draws flowcharts, sequences and Gantt charts as SVG, and GitHub renders them.

Block web and API attacks without maintaining signatures: a model that learns your traffic, plugged into NGINX, Kong or Envoy. Anti-bot and IPS cost extra.

Build, document and test UI components outside the app, one story per state: an MIT-licensed frontend workshop for React, Vue, Angular, Svelte and more.

TOTP and HOTP codes generated on your own server and read in any browser: a multi-user PHP web app that can share codes without ever revealing the secret.

Run several Proxmox VE clusters and XCP-ng pools from one self-hosted web console with cross-cluster migration. The docs recommend each cluster's root login.

Watch several Proxmox VE clusters and Backup Servers from one vCenter-style web console. Community edition is AGPL; migration and DRS require Enterprise.

See which hosts, countries and apps your computer talks to, with live charts and blacklist alerts: a free, open-source desktop app for Windows, macOS and Linux.

Scheduled PostgreSQL, MySQL, MariaDB and MongoDB backups run from a web UI, sent to S3, SFTP or Google Drive. Physical backups and PITR need PostgreSQL 17+.

Run an Airtable-style database on your own server: linked tables, kanban and form views, a REST API. Fair-code since 2026, Postgres and Redis in production.

Change routes, upstreams and plugins on a running API gateway without a restart. Apache-2.0, built on NGINX and etcd, it also runs as a Kubernetes ingress.