Workflow Kit – Multi-Tenant Automation SaaS & Embeddable Visual DAG Engine

ShipTemplates Workflow Kit is a production-ready, multi-tenant workflow automation platform and embeddable visual workflow engine built for Next.js 16, React 19, and PostgreSQL.

Think of it as your own self-hosted, white-label Zapier, Make, or Retool Workflows starter kit—fully architected for commercial SaaS or embedding directly into your own SaaS product.

⚡ What You Get

• Interactive Visual DAG Studio: Node-based workflow builder powered by @xyflow/react and Zustand, complete with real-time validation, branch routing, version pinning, and live execution tracing.
• Embeddable React Builder & Typed SDK: Drop <WorkflowBuilder /> directly into your existing React apps with time-limited HMAC-SHA256 embed tokens.
• Production-Grade Durable State Machine: PostgreSQL + Redis + BullMQ runtime with atomic worker lease locking, automated crash recovery, exponential backoff retries, and retry idempotency.
• Enterprise Security & AES-256-GCM Vault: Credentials encrypted at rest with workspace-bound AAD, SHA-256 hashed API keys (stk_live_*), and strict SSRF-protected HTTP outbound engine.
• 11 Built-in Nodes & Integrations: Manual triggers, Cron schedules (with IANA timezones), Signed Webhooks (HMAC-SHA256 replay protection), Logic Transforms, Delays, HTTP requests, Resend email, Slack alerts, and OpenAI / Anthropic / Gemini AI integration.
• Full Multi-Tenant SaaS Dashboard: Workspaces, 5-role RBAC (owner, admin, developer, editor, viewer), usage metering, 7-day execution timeline, failed execution triage with 1-click retry, and complete public docs portal (/docs).

🛠️ Modern, Robust Tech Stack

• Framework: Next.js 16 (App Router) & React 19
• Database & ORM: PostgreSQL 16+ & Drizzle ORM
• Queue & Scheduling: BullMQ & Redis
• Visual Flow: @xyflow/react (React Flow)
• Styling: Tailwind CSS v4 & Lucide Icons
• Auth & RBAC: Better Auth with 5-role workspace isolation
• Monorepo: pnpm workspaces (15 modular packages)
• Deployment: Docker Compose (web + worker + postgres + redis) with automated health checks

🎯 Who Is This For?

• SaaS Founders building automation tools, AI agent orchestration, or integration marketplaces.
• B2B Platforms wanting to offer custom customer automations or webhooks inside their product.
• Agencies & Engineers looking for a battle-tested, audit-verified workflow engine without months of architecture work.