devmilon

Self-hosted licensing and deployment tracing for private Node.js code. Encrypted core modules, Ed25519 licence tokens, seat limits and sharing detection, on one Cloudflare Worker. Fail-open by design. Zero dependencies.

16 runnable, tested MongoDB aggregation recipes — each with the index that makes it fast and the anti-pattern it replaces.

A double-entry ledger for Node and MongoDB. Balanced by construction, append-only, idempotent, and reconcilable. Zero dependencies.

Stripe-style idempotency keys for Express. Safe retries for POST/PATCH/PUT/DELETE, correct under concurrency. Redis, MongoDB and in-memory stores. Zero dependencies.