Production code, ready to ship

Don't start from scratch. Buy battle-tested source code and ship in days, not months.

Production SystemFocused

Free

ExpressTypeScriptPrisma+1

REST API Boilerplate

Clean, well-structured Express + TypeScript API starter with validation, error handling, and testing setup. Fork and start building.

Zod request validation
Structured error handling
Jest + Supertest suite
Docker Compose setup
OpenAPI 3.0 docs

Free

Preview

SaaS KitFocused

Free

Next.jsTypeScriptPrisma+1

Next.js Auth Starter

Open-source authentication boilerplate with email/password, OAuth, and session management. Production-ready starting point for any Next.js app.

Email + OAuth authentication
Session management
Protected routes middleware
Type-safe Prisma schema
Ready-to-deploy on Vercel

Free

Preview

SaaS KitComplex

Next.jsTypeScriptPostgreSQL+5

AI SaaS Starter Kit

Complete AI SaaS boilerplate with user auth, subscription billing, AI chat interface, prompt management, usage tracking, and rate limiting. Everything you need to launch an AI product.

Streaming chat interface
Multi-model LLM routing
Usage tracking & cost control
Prompt versioning & A/B tests
Plan-based feature gating

$299One-time purchase

Preview

Production SystemFull

Node.jsTypeScriptPostgreSQL+2

Event-Driven Order Processing Pipeline

Saga-based order processing with compensating transactions, inventory reservation, payment capture, and fulfillment orchestration. Built for e-commerce at scale.

Saga-based orchestration
Compensating transactions
Time-limited inventory holds
Two-phase payment capture
CQRS & event sourcing

$79One-time purchase

Preview

Production SystemComplex

Node.jsTypeScriptPostgreSQL+2

Payment & Subscription Billing Engine

Production-grade billing system with subscription lifecycle management, usage-based pricing, invoice generation, proration, and dunning workflows.

Usage-based metering & billing
Automated dunning workflows
Proration on plan changes
Invoice generation with PDF
MRR & revenue analytics

$99One-time purchase

Preview

Production SystemFocused

Node.jsTypeScriptRedis+2

Real-time Notification System

Multi-channel notification system supporting email, push, in-app, and WebSocket delivery with preference management and delivery tracking.

Multi-channel delivery engine
User preference management
Real-time WebSocket push
Batching & digest emails
Per-channel delivery tracking

$49One-time purchase

Preview

Production SystemFull

Next.jsTypeScriptPostgreSQL+2

Multi-Tenant SaaS Foundation

Complete multi-tenant architecture with row-level isolation, role-based access control, team management, and subscription billing. Ship your SaaS in weeks, not months.

Row-level security isolation
RBAC with custom roles
Team invitations & management
Stripe subscription billing
Tenant-aware edge middleware

$79One-time purchase

Preview

Production SystemFocused

Node.jsTypeScriptRedis+1

Webhook Processing Engine

Battle-tested webhook ingestion pipeline with signature verification, retry logic, and dead-letter queues. Built for production reliability.

Signature verification (HMAC, RSA)
Redis-backed deduplication
Dead-letter queue with replay
Per-provider rate limiting
Graceful shutdown handling

$49One-time purchase

Preview

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