A verified .NET 8 reference for DB↔messaging reliability boundaries — transactional outbox, idempotent inbox, SKIP LOCKED multi-worker safety, dead-letter reprocessing — with a deterministic stale-failure write-race case study.

PostgreSQL-backed distributed task scheduler for Node.js

Multi-tenant job orchestrator template - Next.js 16 + Drizzle + Auth.js v5 web admin, Python 3.12 worker, PostgreSQL job queue with SELECT FOR UPDATE SKIP LOCKED, Redis pubsub wakeup.

Postgres-as-queue workflow engine

A PostgreSQL-native distributed job scheduler and processing engine supporting exactly-once execution, delayed jobs, retries, dead-letter queues, LISTEN/NOTIFY-based worker coordination, and horizontal scaling.

Lightweight PostgreSQL-backed job queue using SKIP LOCKED for concurrent worker safety

From-scratch distributed job queue & workflow engine on Postgres: SELECT FOR UPDATE SKIP LOCKED claiming, retries with backoff, heartbeat crash-recovery, and DAG workflows. Python.

Bun-native PostgreSQL job queue with SKIP LOCKED concurrency, retries, cron scheduling, pub/sub, dead letter queues and an HTMX dashboard. Built on Prisma 7.

Distributed agent task queue: Postgres-backed pull queue (FIFO + capability filter + concurrency, no scoring) with a live mission-control dispatch console. One-command docker compose.