
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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Find a date the whole group can make with a poll people answer without an account. Self-hostable under AGPL: free for one account, a paid license beyond that.

Short links on your own domain, created through a REST API or CLI and redirected by country, language or device. MIT-licensed PHP server, separate web UI.

Make an installable font from a photo of your handwriting without paying for a web service: a local Node CLI plus an optional Claude Code skill for labeling.

Run a tournament on your own server: round-robin pools that feed a knockout bracket, Swiss rounds paired from past results, drag-and-drop court scheduling.

Read and write XLSX, ODS and CSV in TypeScript with zero dependencies and streaming, for Excel exports and imports that also run in browsers and Workers.

Take control of Windows, Linux and macOS machines from a browser via an agent, and of powered-off PCs via Intel AMT. Lightweight Node.js server, Apache 2.0.

One USB stick or PXE entry to install Linux, boot a live distro or repair a disk, from an iPXE menu that downloads each kernel and initrd at boot time.

Rotate your own HTTP and SOCKS proxies behind a single port: country pools, per-user fallback chains, dead-IP cleanup. The proxies themselves are not included.

Sign PDFs with a P12 certificate from Node.js using small MIT-licensed npm packages. The UI, sending to signers and trusted timestamps are left to your app.

Take orders and table bookings on the restaurant's own site, commission-free. Self-hosted Laravel app under MIT; needs a cron job, plus Composer for extensions.