Selected builds, run as small ads. Tear off a tab and keep it in your wallet.
Lot 01 · Open source
Dockside
Wanted: jobs that never get lost.
A Redis-backed job scheduler for Node.js with retries, rate limits, cron triggers and a tiny dashboard. Built because cron on one box wasn't cutting it anymore.
// queue it, forget it
await dockside.add('invoice:pdf', { id },
{ retry: 5, backoff: 'expo' });
Node.jsTypeScriptRedisBullMQ
1.2M jobs / day in production use
docksidedocksidedocksidedocksidedocksidedockside
Lot 02 · Logistics
Ferry Board
For sale: live arrivals, no refresh button.
A real-time departures board streaming vessel positions over WebSockets to kiosks and phones. Fan-out via Redis pub/sub, graceful reconnects, and offline-first clients.
FastifySocket.IORedis Pub/SubPostgreSQL
38 ms p95 update latency
Lot 03 · Fintech
Ledgerlite
Seeking: invoices that add up.
A GraphQL API for small-business invoicing: multi-currency totals, idempotent payment webhooks, audit trail and role-based access. Fully covered by contract tests.
NestJSGraphQLPrismaPostgreSQLStripe
0 double-charges since launch
ledgerliteledgerliteledgerliteledgerliteledgerliteledgerlite
Lot 04 · Dev tooling
loopwatch
Free to good home: a CLI that snitches.
A zero-dependency CLI and middleware that detects event-loop lag, flags slow sync calls and exports traces to OpenTelemetry. Saved one team from a very bad Black Friday.
Node.jsperf_hooksOpenTelemetryCLI
−63% API latency after fixes it found