---
title: "Projects — products in real use"
description: "BuildKin, BuildingHost, Optimum Stars, Vihkin and Map2Point — five products we built and still run. Open them and see for yourself."
url: https://nkgroupltd.eu/en/projects/
language: en
---

# Products we built and still run

Every one of them has real users today. Open them — these are not mockups.

## BuildKin — Proof, not a folder of paper cards

A SaaS platform for building maintenance. QR stickers on elevators, boilers and fire extinguishers that a technician scans to log an inspection in seconds.

- Year: 2024
- Stack: Next.js, React, TypeScript, Supabase, PostgreSQL, PWA
- Our role: End to end — product design, frontend, backend, infrastructure
- URL: https://buildkin.eu
- https://nkgroupltd.eu/en/projects/buildkin/

## BuildingHost — The construction project, in one place

A construction project management platform — milestone tracking, cost control, tasks and progress reporting.

- Year: 2024
- Stack: React, Vite, TypeScript, Supabase, TanStack Query
- Our role: Architecture, frontend, data model, security
- URL: https://buildinghost.eu
- https://nkgroupltd.eu/en/projects/buildinghost/

## Optimum Stars — Amateur football, organised

A platform for amateur football clubs: balanced line-ups in one click, man-of-the-match voting without registration, match reports and standings.

- Year: 2025
- Stack: React, Vite, TypeScript, Mantine, AG Grid
- Our role: Product design, frontend, data model
- URL: https://golche.bg
- https://nkgroupltd.eu/en/projects/optimum-stars/

## Vihkin — The service history stays with the owner

Digital service history for cars, motorcycles, trucks, trailers and machines. The workshop files its report through a secure link, without creating an account.

- Year: 2025
- Stack: React, Vite, TypeScript, Supabase, PostgreSQL
- Our role: Product design, frontend, data model, SEO
- URL: https://vihkin.com
- https://nkgroupltd.eu/en/projects/vihkin/

## Map2Point — One destination. Everyone on the map.

Live location sharing and group trip planning — one shared map, a separate arrival time for every participant, planned stops and split expenses.

- Year: 2026
- Stack: Next.js, React, TypeScript, Google Maps, Realtime
- Our role: Product design, frontend, maps integration, realtime
- URL: https://map2point.com
- https://nkgroupltd.eu/en/projects/map2point/