VendEase - Complete & modern POS solution

VendEase — Complete POS Platform

Full-stack Point of Sale system with a Go backend, real-time sync, and cross-platform mobile & desktop app.
Deploy, rebrand, and start selling.

Go Backend · Kotlin Multiplatform · PostgreSQL · Docker Ready

Live Demo

Fully deployed and running on Hetzner VPS

First deploy auto-creates admin user & default store. Zero manual DB setup.

What’s Included

Key Features

POS Application

• Inventory & category management
• Sales & transaction processing
• Multiple payment methods
• Multi-store support with stock transfers
• Financial reports & analytics
• Employee management & roles
• Customer & supplier management
• Loyalty programs & fidelity points
• Coupons & discount system
• Debt tracking & payments
• QR / Barcode scanning
• Real-time sync (SSE)
• Tax configuration per store
• Offline-capable local database

Backend & Infrastructure

• First-time setup wizard (admin + store)
• Multi-store management with headquarters
• JWT authentication with refresh tokens
• Role-based access control
• Real-time SSE with PostgreSQL LISTEN/NOTIFY triggers
• Audit logs & activity trail
• SMTP email notifications
• Rate limiting & CORS
• Auto database migration on startup
• Docker Compose deployment (dev & production)
• GitHub Actions CI/CD pipeline
• Nginx reverse proxy with security headers
• Health checks & container auto-restart
• Automated seed script for first deploy

Cross-Platform POS App

One Kotlin Multiplatform codebase — three target platforms

Download the POS App

Get the app for your platform and start selling right away

Important — Backend URL Setup: On the POS app login screen, set the Backend URL to your server address (e.g. http://91.99.12.89/ for the demo). The app needs this to connect.

Tech Stack

Why VendEase

• Production Ready — Docker Compose, Nginx reverse proxy, health checks, rate limiting, security headers, CI/CD pipeline
• Zero-Config First Deploy — Push to main and the system deploys itself, auto-creates admin user and default store
• Fully Rebrandable — Change package names, logos, colors, strings, deploy under your own domain
• Clean Architecture — Domain-driven design, clear separation of handlers, services, repositories
• Real-Time Events — SSE with PostgreSQL triggers for live inventory and transaction syncing
• Multi-Store & Multi-Language — Headquarters, stock transfers, store-specific pricing, English & French

Package Summary

• Full source code for backend + cross-platform app
• Go backend with real-time SSE & PostgreSQL triggers
• Cross-platform POS app (Android, iOS, Desktop)
• Docker Compose configs (dev & production)
• GitHub Actions CI/CD pipeline to Hetzner
• Nginx reverse proxy with security headers
• PostgreSQL with auto-migration & seeding
• JWT auth, rate limiting, CORS
• Multi-store, multi-language, real-time SSE
• First-deploy auto setup (admin + store)

Version History

v1.0.1 — March 2026 (Bug fix)

• Fixed a DataStore bug in desktop app

v1.0.0 — February 2026 (Initial Release)

• Go 1.23 + Fiber v2 backend with REST API & real-time SSE
• PostgreSQL 16 with auto-migration, LISTEN/NOTIFY triggers
• JWT auth, role-based access control, multi-store management
• Inventory, transactions, payments, reports, loyalty, coupons, debt tracking
• Kotlin 2.2.10 + Compose Multiplatform 1.8.1 POS app (Android, iOS, Desktop)
• Offline support with Room (KMP), QR/barcode scanning, multi-language
• Docker Compose, Nginx, GitHub Actions CI/CD, automated seed script
• Comprehensive developer documentation